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Keysight Technologies N5261A and N5262A

1. See Figure 2 2 on page 52 Front Rear Panel Connector Gain Frequency Min Typ Max N5261A TEST or REF IF Input characteristic 27 10 7 6 MHz TEST IF to A B C D IF OUTPUT specification See Figure 2 4 on page 55 y 7 aaa os REF IF to A B C D IF OUTPUTS specification See Figure 2 4 on page 55 7 7 a ARE T fabae REF IF to R IF OUTPUTS specification i i i See Figure 2 4 on page 55 begets E i LO IN characteristic 10 2 8 to 19 GHz LO OUT specification 10 11 5 14 5 gt 14 5dB 8 to 19 GHz See Figure 2 1 on page 50 SRC1 RF IN characteristic 0 15 8to 19 GHz sus d RF OUT specification 10 11 5 14 5 145dB 8to 19 GHz See Figure 2 2 on page 52 N5262A TEST or REF IF Input characteristic 27 10 7 6 MHz Test IF to A B C D IF OUTPUTS specification See Figure 2 4 on page 55 7 2AB eT BENE Ref IF to A B C D IF OUTPUTS specification See Figure 2 5 on page 55 7 PUE ETEN OMe Ref IF to R IF OUTPUTS specification See g 5 dB 1 5 7 6 MHz Figure 2 6 on page 55 ze LO IN characteristic 10 2 8to 19 GHz LO OUT specification 10 11 5 14 5 145dB 8to19GHz See Figure 2 1 on page 50 SRC1 or SRC2 RF IN characteristic 0 15 8to 19 GHz RF OUT specification 10 11 5 14 5 145dB 8to19GHz a All connectors are SMA female b Do not exceed the maximum level or damage may occur c
2. Table 1 11 Typical Cable Insertion Loss n Cable Length 7GHz 10GHz 18GHz 501 4 ft 1 22 m 1 dB 1 2 dB 1 6 dB 502 6 58 ft 2 m 1 65dB 2dB 2 65 dB 503 9 83 ft 3 m 2 5 dB 3 dB 4 dB 505 16 4 ft 5 m 4 1 dB 5 dB 6 6 dB Figure 1 4 Typical RF Cable Loss dB loss per foot 0 0 06 4 O44 4 154 025 Eon 8 0 37 a 0 44 4 454 054 0 55 0 01 5308 10 606 15 004 Frequency GHz User s and Service Guide N5262 90001 21 202 26 5 17 Installation amp System Operation Front Panel Features Front Panel Features Figure 1 5 N5261A 2 Port Front Panel Features LO Out SRC1 Input Port Status LEDs RF Out Ref IF Active LED Standby Switch Over Current LEDs DC Power Figure 1 6 N5262A 4 Port Front Panel Features LO Out SRC1 and SRC2 Inputs Port Status LEDs RF Ou Ref IF Test IF Active LED Standby Switch Over Current LEDs DC Power 18 User s and Service Guide N5262 90001 Installation amp System Operation Front Panel Features TEST IF IF signal input connection from the millimeter module s Test or Measure IF Output REF IF Reference IF signal input connection from the millimeter module s Reference IF Output RF OUT Provides an amplified RF source signal to the millimeter wave module s RF Input LO OUT Provides amplified LO signal to the millimeter wave module s LO Input SRC1 and SRC2 Connects to the analyzer s front panel Test Ports for RF Outpu
3. Rear Panel Connections i IF MUX RFL Lo Qut p Qut ting ze t Port2 Al c Lo Input IF Out Agilent N5261A 2 Port mm WaveTest Set Controller l I ALC ALC El El l DC1 RF Lo Pre xe i l l i Ampt Ampt Ampi 10dB pe st c j ti i S T4F 1 79 97 RIF 1 gt ISOLt 7 isoLz mE E gt RIF T H 5 R IF 2 i i i i a e osos s os s s 8 Sl ul x 8 8 k ul o ul 9 s OO E s 3 y y MM Wave Module MM Wave Module de IF PNA Rear Panel RF Port 1 Port 2 ports are not available Agilent 4 Port PNA Agilent N5262A 4 Port mm WaveTest Set Controller Pre Amp1 10d H Testi IF In Test3 IF In Test4 IF In Test2 IF In Ref2 IF In MM Wave Module MM Wave Module MM Wave Module MM Wave Module IF PNA
4. Figure 1 26 Test Head Module Connections e 6 Repeat step 4 and step 5 for the remaining modules 7 Apply Velcro assemblies to the ends of the cable sleeves a Complete steps 6 7 and 8 of the Installation Guide from the Millimeter wave Cable Dress Kit document number N5260 90070 contained in kit part number N5261 60019 and N5261 90020 8 Position each test head in the approximate location where it will be used for measurement operations 9 Torque all RF connections to 8 in lb 36 User s and Service Guide N5262 90001 Installation amp System Operation System Configuration and Operation Configuring the Network Analyzer Firmware This section will describe how to set up and operate the N5261 62A Millimeter Head Controller with your network analyzer The N5261 62A Millimeter Head Controller is considered a slave instrument A network analyzer must be used to control the test set CAUTION Before turning on this instrument verify that the AC supply voltage is in the specified range Typeface Key Conventions The following key conventions are used throughout this document HARDKEYS are labeled front panel keys SOFTKEYS are indicated on the instrument display Before Beginning this Section Determine the multiplier factors to use for RF IN and LO IN The factors for each head are indicated on the labels located on the top of each head near the RF and LO connectors NOTE The maximum freq
5. Fan Power Supply Line Module User s and Service Guide N5262 90001 73 Service Information Test and Adjustment Procedures Test and Adjustment Procedures The Test Set Operation Check on page 46 should be performed whenever any active electronic part is replaced in the test set Additional procedures are required when certain components are replaced Table 2 4 indicates when additional procedures are required The additional procedures depend on the location of the replaced component The additional procedures are indicated as A B C D F Q R SandZ in Table 2 4 Table2 4 Additional Required Procedures for Assemblies Replaced Description of the Keysight Euer 2 EL 4 Location General Replaced Component Part Number RF Section RF Section LO Section Location Millimeter Head N5261 60101 Z Interface Bd Test Set Controller Bd N5261 60006 C D RF LO Bias ALC Bd N5261 60103 Q R S Preamplifier Bias Bd N5261 60104 S RF 4 way Divider N5262 80003 S RF Detector 3333 80021 R S Coax Cable Sloped N5262 20033 R Attenuator Preamplifier 5087 7750 S RF LO Amplifier 5087 7771 QAD R BD S RF Directional Coupler 0955 0148 QA D RBD S RF Switch SPDT Solid 5087 7733 QAD R BD State 1 Refer to Figure 2 9 thru Figure 2 12 and Figure 2 15 thru Figure 2 18 to determine part location 2 Procedure C must be done before removing the old board The procedures referenced above may b
6. Isolator Dir Coupler ack 1608 0955 0148 Damage 15 dBm N5261 601 Dectector Sloped Attn CA AY 33330 80021 N5262 20033 Divider N5262 80003 LO Section LO Amp Pre Amp 5087 7750 Dir Coupler 0955 0148 LO IN 8to 19 GHz 2 to 10 dBm 5086 7771 Ow Sw d i N5261 60104 Dectector N5261 60103 Isolator 0955 1595 33330 80021 Solid State Sw 5087 7733 2 RF Section Port 1 amp 2 RF Amp Dir Coupler 0955 0148 Isolator 0955 1595 Sw d Dectector SRC 1 Sloped Attn CAAY 33330 80021 N5262 20033 1 Refer to Figure 2 9 on page 65 for IF paths User s and Service Guide N5262 90001 Service Information Test Set Troubleshooting Front Panel SRC 2 IN 8 to 19 GHz Port 2 LO Out Leveled 8 to 19 GHz 10 5 11 5 dB Gain Port 2 RF Out 8 to 19 GHz 10 11 dB Gain 13 dBm Max Port 4 LO Out Leveled 8 to 19 GHz 10 5 11 5 dB Gain Port 4 RF Out 8 to 19 GHz 10 11 dB Gain 13 dBm Max Port 3 LO Out Leveled 8 to 19 GHz 10 5 11 5 dB Gain Port 3 RF Out 8 to 19 GHz 10 11 dB Gain 13 dBm Max Port 1 LO Out Leveled 8 to 19 GHz 10 5 11 5 dB Gain Port 1 RF Out 8 to 19 GHz 10 11 dB Gain 13 dBm Max IM SRC 1 IN 8 to 19 GHz 67 Service Information Test Set Troubleshooting Figure 2 12 Signal Routing 2 Port Agilent 2 Port PNA
7. User s and Service Guide N5262 90001 Service Information Test Set Operation Check Procedure Verify DC Voltages and Front panel LED s Verify DC voltage levels on each of the front panel DC power connectors Pins 1 amp 3 12 V 0 8 V Pins 4 amp 6 ground Pin 1 12V Pin 3 12V Pin 6 gnd Pin 4 gnd n5260 001 304 Issue the Test Set I O commands that apply to the Receiver and Source LED s for the test set model being tested See the Preparation on page 46 for a list of possible commands Confirm that each command drives the LED s appropriately User s and Service Guide N5262 90001 49 Service Information Test Set Operation Check Measure LO OUT Gain and Power Prepare the PNA to measure S12 with a normalization calibration Refer to PNA Normalization Calibration on page 47 Use a frequency range of 8 to 20 GHz and a power level of 10 dBm The cable on PNA Port 2 must be long enough to reach the rear panel of the test set 1 2 Connect the PNA Port 2 cable to the rear panel LO IN Connect PNA Port 1 to Port 1 LO OUT on the test set Verify the LO Output gain is 20 dB The trace should be within 10 dB of flat and have no significant holes or discontinuities Refer to Figure 2 1 on page 50 Select Sweep Sweep Type CW Time Set the sweep time to 5 seconds Select Freq gt Start gt 8 GHz Disconnect the cable from LO IN and measure the power at the end of the cab
8. IF the Controller board is replaced the gain data will need to be stored into the new board Refer to Contacting Keysight on page 86 for the replacement procedure Interface Board N5261 60101 The Interface board is installed on top of the test set controller board It provides switch drive signals and voltage for the solid state switches that select RF Inputs SRC1 or SRC2 to one of the front panel RF Outputs ports It provides switching from the front panel TEST IF and REF IF Inputs to the rear panel IF Outputs D R2 C R1 R A B The board also provides DC voltage ALC control of the Amplifiers and a FPGA programmed device that enables N5261 62A Millimeter Head Controller operation LED Board N5261 60005 Two LED board assemblies are mounted to the front panel The top LED board indicates the Source Path amber yellow color or Receiver Path green colored shown as S and R for each port The bottom LED Board indicates the DC Power is on green If an over current condition occurs on the millimeter wave module the LED will be amber yellow which could be a result of a shorted interface cable or damaged Millimeter wave module The LED board assemblies are connected to the test set controller board by ribbon cables DC Power Board N5261 60102 The DC Power board provides connection to the power supply and self recovering fuses for each millimeter wave module supply 12 volt on the front panel The fuses are reset wh
9. System Operation System Operation Verification Figure 1 29 Example Banded Receiver Display SI S Paramete Balanced Receivers Manet Decorar Source Pos Agee Ff 2pfo b front x Acie J zi Aw f z F As i I P Meer dm me Oa FU om FE dox od toe Fo xa zb fe 5 Measure a Thru Connection a Connect the Port 1 to Port 2 module and Port 3 to Port 4 module N5262A to form thru connections b Delete the trace 1 S11 Select Trace Chan Trace Delete Trace c Select Preset gt Trace Chan gt Trace gt New Trace Select 12 S21 S34 and S43 This test confirms that the modules are sourcing and receiving Refer to your millimeter wave modules data from OML or VDI included with the your module NOTE S12 requires a Transmission Reflection module on Port 1 S21 requires a Transmission Reflection module on Port 2 S34 requires a Transmission Reflection module on Port 3 S43 requires a Transmission Reflection module on Port 4 Figure 1 30 Uncalibrated S12 and S21 42 User s and Service Guide N5262 90001 Installation amp System Operation System Operation Verification 6 Measure the Dynamic Range of each Millimeter wave module a Measure S11 for a 1 Port system or S12 and S21 for a 2 Port system or S12 S21 S34 and S43 for a 4 Port system Select Avg gt IF Band width 10 gt Enter Set the power level to the maximum for each band For a 1 Port syst
10. gain values are used by the PNA firmware to provide a power level of approximately 10 dBm to the mm wave heads when the ALC function is off Attenuator 7 dB 0955 0242 This attenuator is used at the LO Input port to provide a good match and set the LO Input level for the preamplifier Attenuator 6 dB 0955 0243 The 6 dB attenuators are used to attenuate the RF and LO power to the ALC detector to set the RF level for linear operation Attenuator 3 dB 0955 0246 The 3 dB attenuators are used in the SRC1 or SRC2 Mod Amp Inputs to provide a good match and ensure it does not exceed 15 dBm Coupler 0955 0148 Directional couplers with 10 dB coupling factor are used for ALC feedback for RF and LO Output leveling User s and Service Guide N5262 90001 57 Service Information Theory of Operation Slope Attenuator Cable Assy N5262 20033 A slope pad is installed on the leveling coupler of the RF Out path to compensate for the RF switch loss at higher frequencies Power Divider N5262 80003 A four way power divider provides each Port LO Output from the LO amplifier with approximately 7 2 dB attenuation for each LO Out Two 50 ohm terminators are installed on the unused N5261A divider paths If a system is configured with a unused port a 1 Port reflection system for example the front panel LO Output ports are to be terminated with a 50 ohm load 1810 0118 This keeps the power divider balanced and prevents an open r
11. gt B M IF IF Inputs i from Port 2 Tes BIF E 1200 i IF 1 l mm Head Port 2 Rel R2IF 3801 SEN v aio c o Outputs Front Pnl Y Iis Y to PNA Port 3 Tes CIF gt 1 Rear Pnl d b Port 1 Re RIF om N i J101 2 D RL IF I Port 4 Tes DIF E J100 NOTES i RIF L a On board programmed Logic Device ILLI 65 User s and Service Guide N5262 90001 Service Information Test Set Troubleshooting Figure 2 10 N5261A RF and LO Block Diagram Rear Panel N5261A RF Block Diagram gown 1 60103 Swd i Dectector Pre Amp 5087 7750 LO IN 8to 19 GHz 2 to 10 dBm N5261 60104 SRC 1 Out 33330 80021 Dir Coupler 0955 0148 33330 80021 Dir Coupler 0955 0148 Sloped Attn CA AY N5262 20033 Divider N5262 80003 Isolator 0955 1595 Solid State Sw 5087 7733 Isolator 0955 1595 Front Panel Port 2 LO Out Leveled 8 to 19 GHz 10 5 11 5 dB Gain Port 2 RF Out 8 to 19 GHz 10 11 dB Gain 13 dBm Max Port 1 LO Out Leveled 8 to 19 GHz 10 5 11 5 dB Gain Port 1 RF Out 8 to 19 GHz 10 11 dB Gain 13 dBm Max Lp SRC 1IN 8 to 19 GHz 1 Refer to Figure 2 8 on page 64 for IF paths User s and Service Guide N5262 90001 66 Figure 2 11 N5262A RF and LO Block Diagram N5262A RF Block Diagram Solid State Sw 5087 7733 SRC2 4 RF Section Port 3 amp 4 RF Amp 5086 7771 sy Sw
12. 6 Enter the Multiplier RF IN number Example WR15 4 Refer to Figure 1 28 and the documentation shipped with your module 7 Enter the Multiplier LO IN number Example WR15 5 Refer to Figure 1 28 and the documentation shipped with your module 8 In the Test Port Frequency dialog box enter the Start and Stop Frequency of the millimeter wave module Example WR15 50 GHz and 75 GHz 38 User s and Service Guide N5262 90001 Installation amp System Operation System Configuration and Operation 9 Select or clear the Route PNA RF to rear panel RF OUT check box as indicated in Table 1 1 on page 4 or Table 1 2 on page 5 10 Set the ALC mode according to the following information For most applications the ALC mode should be on Enable Test Set RF ALC box checked For this condition Max Power Limit at Multiplier s RF IN is automatically set to 11 dBm The hard ware ALC s in the test set provide a nominal 11 dBm power level at the RF inputs to the extender modules This applies to both the RF and LO inputs A nominal cable loss between the test set and extender modules is assumed If the ALC mode Enable Test Set RF ALC is off the max power may be set by the user in the Max Power Limit at Multiplier s RF IN dialog box If the user adjusts the analyzer s RF power the RF power into the millimeter wave modules will change but will not exceed the specified max power in the dialog box It is recommended that ALC
13. Enable Test Set RF ALC be turned off in Pulse mode Without ALC the power control is less accurate 11 Select OK The analyzer will preset for millimeter operation after you select OK in the next dialog window Figure 1 28 Millimeter System Selections Available Corfo atomi selectisd Config stam wc Standard PNA Vest Set Frepertars trosdband 10Mbie NOGU pied Test Set DA E Conte lomari hate PNA RF to sow panai TF OUT wn 15 mdi Tess Set FF ALC I Erai Miser Made Poen Binit at eat RE E fi E NF Cadie Lans DO NOT techado tent vet gain Mew Pom Oft ET y Ponar Shape 01578 a Y llimeter Module Configuration Selected changes requires a preset Apply changes ox sar i or Carol NOTE Select the Standard PNA configuration to return to normal PNA operation without the heads User s and Service Guide N5262 90001 39 Installation amp System Operation System Operation Verification System Operation Verification The Banded System Check verifies the configured system is operating correctly It requires all system components If a problem is suspected with the N5261A or N5262A test set refer to Test Set Operation Check on page 46 and Test Set Troubleshooting on page 59 Banded System Check The Banded System operational verification procedure confirms that the system is operating correctly There are no hard specifications for the system measurement performance but guidelines a
14. I O commands User s and Service Guide N5262 90001 51 Service Information Test Set Operation Check Figure 2 2 RF Output Gain with 2 dBm ALC On Figure 2 3 RF Output Gain with 2 dBm ALC Off 52 User s and Service Guide N5262 90001 Service Information Test Set Operation Check Measuring Test IF and REF IF Path Loss on the N5261A NOTE The IF paths for the N5261A are not switched see Figure 2 8 on page 64 The cable connected to PNA Port 1 must be long enough to reach the rear panel of the test set 1 Prepare the PNA to measure S12 with a normalization calibration Select a frequency range of 10 to 20 MHz and a power level of 20 dBm See PNA Normalization Calibration on page 47 2 Measure the signal paths listed below Connect PNA Port 2 to the test set front panel Maximum loss should be 3 dB Port 1 TEST IF to A rear panel Port 1 REF IF to C rear panel Port 2 TEST IF to B rear panel Port 2 REF IF to D rear panel Measuring Test IF and REF IF Path Loss on the N5262A NOTE The IF paths for the N5262A are switched i e multiplexed see Figure 2 9 on page 65 The cable connected to PNA Port 1 must be long enough to reach the rear panel of the test set 1 Prepare the PNA to measure S12 with a normalization calibration See PNA Normalization Calibration on page 47 Select a frequency range of 10 to 20 MHz and a power level of
15. If none of the port are working start by measuring the power at LO IN continuing through the pre amplifier LO Amp Directional Coupler and Power Divider If you find incorrect power levels and suspect a component has failed verify the DC voltages referencing Table 2 3 on page 60 and Figure 2 7 on page 60 Replace the failed component If you suspect the LO Amp 5086 7771 substitute the RF Amp 5086 7771 to verify the failure The LO Amp uses a leveling circuit with directional coupler and detector that also can be checked before replacing the LO Amp You may also substitute the Directional Coupler and Detector from the RF Amp section REF IF or Test IF Fail ure If the REF IF or Test IF fails the Operation Verification test the following procedure can be used to verify the failure The procedures assume power supplies controller board and front panel LEDs are working Suspect the switch Interface board or coaxial cables Refer to Table 2 3 on page 60 and Figure 2 7 on page 60 1 N5261A Verify that the front panel Port 1 amp 2 REF and IF coax cables are properly connected to the rear panel A B C and D and insertion loss is not 2 5 dB Replace the coax cable if defective Refer to Figure 2 8 on page 64 N5262A Verify that the front panel Port 1 amp 4 REF and IF coax cables and rear panel coax cables A B C D and R are properly connected to the Interface board Verify that the insertion loss is not 2 5 dB Replace the
16. also be used to disconnect the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not a LINE switch Protect Against Electrostatic Discharge ESD This is important If not properly protected electrostatic discharge can seriously damage your analyzer resulting in costly repair CAUTION To reduce the chance of electrostatic discharge follow all of the recommendations outlined in Electrostatic Discharge Protection on page 85 Table 1 12 Power Requirements of a Standard Configuration Standard Equipment Instrument Maximum Watt N5222A N5224A N5225A or N5227A 450 N5242A N5244A N5245A or N5247A 450 N5261 62A Millimeter Head Controller 350 Millimeter wave Module OML powered from controller Millimeter wave Module VDI 175 User s and Service Guide N5262 90001 23 Installation amp System Operation System Configuration and Operation System Setup It is recommended that you connect the cables to the rear panel of the test set before mounting the analyzer on top of the test set When the analyzer is mounted on the test set the back of the analyzer extends over the rear panel of the test set and may interfere with access to the rear panel connectors The cables can then be connected to the analyzer after it is mounted on the test set Table 1 1 on page 4 or Table 1 2 on page 5 indicates which connection diagrams to u
17. be used Power Sensor and Power meter Preparation The power sensor and power meter must be prepared to make measurements at 8 GHz This may include calibrating the power sensor with the meter and entering a calibration factor for 8 GHz PNA and Test Set Preparation 1 Connect the Test Set I O cable from the PNA to the test set 2 Turn on the PNA and the test set 3 The PNA must be in Standard PNA mode To check the mode select Utility gt System gt Configure Millimeter Module Configuration The Millimeter Module Configuration window will be displayed Standard PNA should be the Selected Configuration If not click on Standard PNA in the list of Available Configuration s then click OK 46 User s and Service Guide N5262 90001 Service Information Test Set Operation Check PNA Normalization Calibration This procedure prepares the PNA to for path loss measurements Select Preset on PNA Set the Start and Stop frequencies Set the desired power output level Set to measure S12 Connect an RF cable to PNA Port 1 Connect a second RF cable to PNA Port 2 Connect the two RF cables together with an adapter MH ou 5B WN Hp Normalize the trace Select Memory gt Normalize or select Data gt Normalize You will see a flat line at 0 dB 8 Remove the adapter between the RF cables Test Set I O Commands The Test Set Operation Check requires the use of Test Set I O commands These commands are issued b
18. coax cable if defective If the coax cables are properly connected and the insertion loss is correct replace the Interface board Refer to Figure 2 9 on page 65 User s and Service Guide N5262 90001 63 Service Information Test Set Troubleshooting Test Set Diagrams and Graphics iagram N5261A Test Set D Figure 2 8 AC IN FS2 FS3 AC 3 5vdc AC Line 24vd Filter Assy ee 9 10vdc 12 15vdc Front Panel Stand O Active By b 6 val DC Power Supply 0950 4729 Over Current LEDs Frt Pnl 5 Vdc N5261 60005 DC Pwr Port 1 12 Vdc Front Pnl Port 2 NOTES id These power supply voltages shown are required by this part x On board programmed Logic Device DC Pwr Bd PCB3 5 15 15 Vdc N5261 60102 Test Set Pass Thru Interface Interface Agilent N5261A mm wave Test Set Controller Test Set Control Bd PCB 1 A 3 5 12 15 Vdc N5261 60006 Interface Bd PCB2 x 8 5 15 15 Vdc N5261 60101 IF Inputs from mm Head Front Pnl PCB4 Port Status LEDs Frt Pnl 5 Vdc N5261 60005 Active ON N LED FrtPnl a 5Vdc 7 P RF Amp 2 2 9 15 15 Vdc LO Pre Amp 15 Vdc LO Amp 2 2 9 15 15 Vdc RF Sw 15 15 Vdc Port 1 Test AIF IF CIF Outputs gt ov Port 2 Test G gt gt B IF to P
19. on page 3 The N5261A or N5262A Millimeter Head Controller may also be used as part of the N5251A broadband analyzer system This application is not discussed in this manual Refer to N5251 90001 for N5251A system information In this document the N5261A and N5262A will be referred to as the test set This manual should be used in conjunction with the following documents PNA X Series Network Analyzer On line Help System Millimeter wave Technical Overview 5989 7620EN OML Millimeter wave modules N5256 90001 VDI Millimeter wave modules N5256 90002 N5251A Installation and Service Guide N5251 90001 Network Analyzer Requirements The required options for PNA models are indicated in the PNA Option s column of Table 1 1 The required options for PNA X models are indicated in the PNA Option s column of Table 1 2 Note that all models require Option 020 The minimum firmware revision for PNA models is A 09 42 16 The minimum firmware revision for PNA X models is A 09 33 09 2 User s and Service Guide N5262 90001 Installation amp System Operation Network Analyzer Requirements Figure 1 1 2 Port Banded Millimeter wave Configuration N5261A Figure 1 2 4 Port Banded Millimeter wave Configuration N5262A User s and Service Guide N5262 90001 Installation amp System Operation System Configurations System Configurations Table 1 1 and Table 1 2 document all supported configurations for S Parameter measureme
20. 1 Figure 2 7 DC Power Check Locater ad a Test Set Controller Bd l e D AAA e m m Controller Status LEDs 9v m Interface Bd 10v m 12v E 15v Secondary DC AQv Supply Test Points A te 15v m Main DC Supply 3v E Indicators 5v 24v uu O Ez iL E E LED INDICATOR Instrument Rear Panel DC Power l Nd 2 Vdc S oe probe the tab SA x p 2Vde 4 rd a ko jl U22P U231 ES Ni 3 __ 5 Vdc c S U24 U25 X i 5Vde 7 l 13 Vde l probe the tab ji iS ra J o i b U20 b 10 Vdc d U21 Y ES opa Y X L I IL ee l 60 User s and Service Guide N5262 90001 Service Information Test Set Troubleshooting No DC Power for Millimeter wave Modules Remove the top and bottom covers Inspect the DC Power board N5261 60002 connections Measure the 12 Vdc red wires on the DC Power board If the 12 Vdc is present replace the DC power cable from the front panel N5652 60001 If the 12 Vdc is not present go to step 4 Verify that the supply LED indicators on the Test Set Control Board N5261 60006 are on If they are replace the DC Power Board N526
21. 1 60002 Refer to Figure 2 14 on page 70 If the LEDs not off refer to Test Set Troubleshooting on page 59 Over Current LEDs are On amber 1 Remove all millimeter module connections from the front panel If the over current LEDs are off suspect the millimeter module or the DC Power Bias cable If the LEDs are on continue with step 2 Verify that the 12 Vdc on the front panel DC Power connectors is not shorted to ground Refer to Test Set Operation Check on page 46 If it is shorted to ground replace the front panel DC Power cable N5652 60001 or the DC Power Board N5261 60002 If it is not shorted to ground continue to step 3 Move the DC Power board ribbon cable to the Source Receiver Status LED board if the over current LEDs are still on replace the DC Power Board N5261 60002 If the LED s are off replace the DC Power LED Board N5261 60005 Front Panel Active and Port Status LED Front Panel R and S Indicator LED check If the LED indicators are not operating verify the ribbon cable connection and ensure the rear panel test set interface cable is connected securely Proceed to the next section for further troubleshooting before replacing the front panel board 1 2 Connect the Test Set I O cable N4011 21002 from the analyzer to the test set Using the I O command values confirm the correct address and data values are used refer to Table 2 2 on page 54 Front Panel R and S indicator LED Check a Veri
22. 2 90001 47 Service Information Test Set Operation Check Test Set I O Command List The following commands are available for controlling reading the test set The step by step commands in the Test Set Operation Check procedure require the use of these commands The user is required to select the appropriate command depending on the port or function under test Read commands involve a single number an address Write commands involve two numbers address and data Table 2 1 0 32 0 32 1 32 2 0 1 0 2 0 16 0 32 64 17 64 34 64 68 64 136 I O Commands address for read ing two d igits from model number of the test set turns on ALC for both SRC1 Port 1 and 2 and SRC2 Port 3 and 4 turns off ALC for SRC1 Port 1 and 2 turns off ALC for SRC2 Port 3 and 4 SRC1 IN to Port 1 RF OUT SRC1 IN to Port 2 RF OUT SRC2 IN to Port 3 RF OUT SRC2 IN to Port 4 RF OUT turns on Receiver and Source LED s for Port 1 all other LEDs off turns on Receiver and Source LED s for Port 2 all other LEDs off turns on Receiver and Source LED s for Port 3 all other LEDs off turns on Receiver and Source LED s for Port 4 all other LEDs off NOTE The amber Source LED s are controlled separately from the switches for the RF OUT paths The write commands for IF path control for the N5262A are listed in Table 2 2 on page 54 The commands for reading and writing gain factors for are listed in Table 2 5 on page 76 48
23. 20 dBm See PNA Normalization Calibration on page 47 2 Measure each path listed in Table 2 2 on page 54 for N5262A Each path is defined by entries in the From and To N5262 columns For a given IF path issue the appropriate command then measure the gain loss and connect PNA Port 2 to the appropriate connection on the front panel of the test set The maximum path loss is listed for each path There should be no holes or significant discontinuities on the traces Figure 2 4 Figure 2 5 and Figure 2 6 on page 55 are examples of acceptable traces User s and Service Guide N5262 90001 53 Service Information Test Set Operation Check Table 2 2 IF Path Measurement From TEST IF To Nb261A Rear To N5262A Rear 1 Max Path Loss Front Panel Panel IF OUT Panel IF OUT Command for N5262A dB Port 1 TESTIF A A 16 8 3 Port2 TESTIF B B 16 4 3 Port 3 TEST IF n a C 16 2 3 Port 4 TESTIF n a D 16 1 3 Port 1 REFIF C D 16 8 6 0 Port 1 REF IF n a R 16 33 7 5 Port2REFIF D C 16 4 6 0 Port 2REFIF n a R 16 2 7 5 Port 3REFIF n a A 16 2 6 0 Port 3 REF IF n a R 16 56 7 5 Port 4 REFIF n a B 16 1 6 0 Port 4 REFIF n a R 16 20 7 5 1 Commands are not required for the N5261A 54 User s and Service Guide N5262 90001 Service Information Test Set Operation Check Figure 2 4 Test IF Path to A B Cor D Figu
24. 8 2 and levels are similar to MIL PRF 28800F Class 3 Power Requirements Nominal Frequency Range 50 60 Hz Nominal Voltage Range 100 120 220 240 Vac N5261A or N5262A Power 350 Watts Weight and Dimensions Net Weight N5261A 10 kg 22 lb N5262A 11 kg 24 2 lb Dimensions Height 18 cm 7 1 in Width 42 5 cm 16 75 in Depth 42 5 cm 16 75 in CAUTION This product is designed for use in Installation Category II and Pollution Degree 2 Required Conditions for Accuracy Enhanced Measurement Accuracy enhanced error corrected measurements require the ambient temperature of the N5261 62A to be maintained within 1 C of the ambient temperature at calibration The instrument can safely operate in a relative humidity of 80 for temperatures to 31 degrees C decreasing linearly to 50 relative humidity at 40 degrees C CAUTION Ventilation Requirements When installing the instrument in a cabinet the convection into and out of the instrument must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating temperature of the instrument by 4 C for every 100 watts dissipated in the cabinet If the total power dissipated in the cabinet is greater than 800 watts forced convection must be used User s and Service Guide N5262 90001 15 Installation amp System Operation Specifications Table 1 10 Characteristics and Specifications Power Levels dBm
25. Assy SMA male to 2 4 mm female SRC2 to 4 Port PNA U3021 60003 Lock Link Kit Test Set to PNA User s and Service Guide N5262 90001 Installation amp System Operation Verifying Your Shipment Table 1 8 Test Set to the Module Cable Sets Keysight a Part Number Description Qty Option 501 1 Port Trans Refl Cable Set 48 inches 1 2 meter 1250 2604 Coax Connector Adapter right angle SMA m f 2 8121 1221 Coax flex CA Assy 3 5 mm male to male 1 2 m 48 in RF amp LO 2 85105 60030 Multi Cond Flex CA Assy Cir 7C 1 2 m 48 in DC Power Bias 1 85105 60048 Coax flex CA Assy right angle SMA m m 1 2 m 48 in Ref amp 2 Test IF N5261 60019 Cable Sleeve and Marker Kit 1 2 m 48 in 1 Option 502 1 Port Trans Refl Cable Set 79 inches 2 meter 1250 2604 Coax Connector Adapter right angle SMA m f 2 N5260 60023 Coax flex CA Assy 3 5 mm male to male 2 m 79 in RF amp LO 2 N5260 60070 flex CA Assy right angle SMA m m 2 m 79 in Ref amp Test 2 N5260 60025 Multi Cond Flex CA Assy Cir 7C 2 m 79 in DC Power Bias 1 N5261 60020 Cable Sleeve and Marker Kit 5 m 197 in 1 Option 503 1 Port Trans Refl Cable Set 118 inches 3 meter 1250 2604 Coax Connector Adapter right angle SMA m f 2 N5260 60026 Coax flex CA Assy 3 5 mm male to male 3 m 118 in RF amp LO 2 N5260 60027 m flex CA Assy right angle
26. E A SEPARATE WRITTEN AGREEMENT WITH WARRANTY TERMS COVERING THE MATERIAL IN THIS DOCUMENT THAT CONFLICT WITH THESE TERMS THE WARRANTY TERMS IN THE SEPARATE AGREEMENT WILL CONTROL Safety Notices CAUTION A CAUTION notice denotes a hazard It calls attention to an operating procedure practice or the like that if not correctly performed or adhered to could result in damage to the product or loss of important data Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met WARNING A WARNING notice denotes a hazard It calls attention to an operating procedure practice or the like that if not correctly performed or adhered to could result in personal injury or death Do not proceed beyond a WARNING notice until the indicated conditions are fully understood and met Table of Contents 1 Installation amp System Operation reip EMT a ias e ra ios A A E A 2 Network Analyzer Requirements ooococcococ m 2 System Configurations ess saas seek mech kk pe a aa REE OR ER BOA a a REOR OR A RR ERU SD e 4 Compatible mm wave Modules 0 0 cece eect rh 7 Verifying Your Shipment 25e io dklae de e a 9 Option List Information rem eE E Cel cds o LR Ce RR UR Rx TR e CR 9 SPECHICATIONS 2 TT 15 General Characteristics usa so y eer xk URS ex a 15 Cable Loss Between the Test Set and the Module 0 eee eee tees 17 Front Panel Features ass ia RI aa 18 Rear Panel
27. FF position This symbol is used to identify a terminal which is internally connected to the product frame or chassis The CE mark is a registered trademark of the European Community If accompanied by a year it is when the design was proven The CSA mark is a registered trademark of the CSA International This mark designates the product is an Industrial Scientific and Medical Group 1 Class A product reference CISPR 11 Clause 5 This is a marking to indicate product compliance with the Canadian Interference Causing Equipment Standard ICES 001 Direct Current The instrument has been designed to meet the requirements of IP 2 0 for egress and operational environment The RCM mark is a registered trademark of the Australian Communications and Media Authority Indicates the time period during which no hazardous or toxic substance elements are expected to leak or deteriorate during normal use Forty years is the expected useful life of the product This symbol on all primary and secondary packaging indicates compliance to China standard GB 18455 2001 South Korean Certification KC mark includes the marking s identifier code which follows the format MSIP REM YYY ZZZZZZZZZZZZZ4Z User s and Service Guide N5262 90001 83 Service Information Regulatory Information Battery Collection Do not throw batteries away but collect as small chemical waste or in accordance with your country s requirements You may return the batte
28. Feat res icsnesepisexc uel e pee edad ae oe Een e 3 RGXONE ered wa died E iA 20 Available FUSS 4 RR ERR ae de kee KE RE RED ER Ree Peek RR EE Rd as 22 System Configuration and Operation 0 cece tent teeeeeeee 23 Site PreparatlOh s sce 2G a ay Hob ee CRUS ec Rec e e anes car UN ER See 23 SYSTEM SCUUP scared one Pare adalat ae ag wala cP aug de aie war hae eine a Oa et eng eae Oe we 24 Rear Panel CONNECTIONS x cassie sash erate ened kee ae o ek RC eoe Rx V ed Bax C e cedes 27 PNA and PNA X Front Panel Connections 00 0 cece ett eens 33 Millimeter wave Module Cable Connections 00 0 e eee tees 34 Configuring the Network Analyzer Firmware 0 0 0 c cece eee eee 37 System Operation Verification 0 cee eee nee 40 Banded System Check 2224s bead db epic bk Pebaw be bade abe RR Eu 40 System Level Troubleshooting 0 0 00s ccc eee 44 2 Service Information Test Set Operation Check i4 esie dap dee todas ed bee ede REOR edad ae yeaa EEEY SE 2 dicium IT 2 Test Set I O Commands serres sesk raai a a ne eee nen 3 POCO Uco os ii is 5 Theory of Operation of reye big eee eee add he We a Ed de A 12 Functional Block and Assembly Information 0 cece eee eee teens 12 Test Set Troubleshooting escute sesiis kesasar aoe ad a hh hmmm 15 Power Supply and Fans sucre E cox Rog RR ERE ee EE NIETERS 15 No DC Power for Millimeter wave Modules seeeeeeee tenes 17 Over Current LEDs
29. KEYSIGHT TECHNOLOGIES Keysight Technologies N5261A and N5262A User s and Service Guide Notice This document contains references to Agilent Please note that Agilent s Test and Measurement business has become Keysight Technologies For more information go to www keysight com Millimeter Head Controller Notices Keysight Technologies 2008 2014 No part of this manual may be reproduced in any form or by any means including electronic storage and retrieval or translation into a foreign language without prior agreement and written consent from Keysight Technologies Inc as governed by United States and international copyright laws Manual Part Number N5262 90001 Print Date September 2014 Supersede December 2013 Published in USA Keysight Technologies Inc 1400 Fountaingrove Parkway Santa Rosa CA 95403 Where to Find the Latest Information Documentation is updated periodically Forthe latest information about these products including instrument software upgrades application information and product information browse to the following URL search for the name of your product http www keysight com find Technology Licenses The hard ware and or software described in this document are furnished under a license and may be used or copied only in accordance with the terms of such license Restricted Rights Legend If software is for use in the performance of a U S Government prime c
30. NA v Port 1 Ref Rear Pnl Port 2 Ref D IF User s and Service Guide N5262 90001 64 Service Information Test Set Troubleshooting N5262A Test Set Diagram Figure 2 9 Agilent N5262A Test Set Pass Thru mm wave Test Set Controller AGN Interface Interface MC MC Re ae FS1 PCB4 Port Status LEDs d Test Set Control Bd Frt Pnl 5 Vdc PCB 1 N5261 60005 3 5 12 15 Vdc FS2 FS3 NJ AC pus N lt c z Active ON gt N5261 60000 9 pF 3 V LED Frt Pnl a 5vdc 7 SLOT y DC Power Supply DC Pwr Bd I JTAG ili 0950 4729 PCB3 5 15 15 Vdc J1 PCB5 RF Amp1 2 2 9 15 15 Vdc Over Current LEDs Frt Pnl 5 Vdc N5261 60005 RF Amp 2 2 2 9 15 15 Vdc Interface Bd PCB2 3 5 15 15 Vdc LO Pre Amp 15 Vdc These power supply voltages shown are required by this part La N5261 60101 LO Amp 2 2 9 15 15 Vdc DC Pwr Port 2 lt Sess 12 Vdc RF Sw1 15 15 Vdc Front Pnl Port 3 lt gt f Port 4 bax RF Sw2 15 15 Vdc lFPMUX a i Port 3 Ret R3 IF Q J303 we 2 AR3 IF i Port 1 Tes AF O 4250 i l b Port 4 Re RUF C 3302 o 201
31. Rear Panel RF Port 1 Port 3 Port 4 Port 2 ports are not available i a a a i a fa i a e i 68 User s and Service Guide N5262 90001 Service Information Part Replacement and Location Information Part Replacement and Location Information There are many other repair and calibration options available from the Keysight Technologies support organization These options cover a range of service agreements with varying response times Contact Keysight for additional information on available service agreements for this product Replaceable Parts Special options are built to order so long lead times may be encountered when ordering replacement parts For parts that are not listed in the following table refer to Keysight Support Services and Assistance on page 86 Description Mei NE Millimeter Head Interface Bd N5261 60101 DC Power Bd N5261 60102 RF LO Bias ALC Bd N5261 60103 Preamplifier Bias Bd N5261 60104 LED Bd Front Panel N5261 60005 Test Set Controller Bd N5261 60006 RF 4 way Divider N5262 80003 RF Detector 33330 80021 Coax Cable Sloped Attenuator N5262 20033 DC Power Supply 0950 4729 RF Isolator 20 GHz 0955 1595 Preamplifier 5087 7750 RF LO Amplifier 5087 7771 Coax Attenuator 3 dB 0955 0246 Coax Attenuator 6 dB 0955 0243 Coax Attenuator 7 dB 0955 0242 RF Directional Coupler 2 20 GHz 0955 0148 RF Switch SPDT Solid State 5087 7733 He
32. SMA m m 3 m 118 in Ref amp Test 2 N5260 60028 Multi Cond Flex CA Assy Cir 7C 3 m 118 in DC Power Bias 1 N5261 60020 Cable Sleeve and Marker Kit 5 m 197 in 1 Option 505 1 Port Trans Refl Cable Set 197 inches 5 meter 1250 2604 Coax Connector Adapter right angle SMA m f 2 N5260 60029 Coax flex CA Assy 3 5 mm male to male 5 m 179 in RF amp LO 2 N5260 60071 m flex CA Assy right angle SMA m m 5 m 179 in Ref amp Test 2 N5260 60072 Multi Cond Flex CA Assy Cir 7C 5 m 197 in DC Power Bias 1 N5261 60020 Cable Sleeve and Marker Kit 5 m 197 in 1 User s and Service Guide N5262 90001 13 Installation amp System Operation Verifying Your Shipment Table 1 9 Rackmount Front Handle Kits Keysight y Part Number Description Qty Option 1CM Rackmount Kit without Front Handles 5063 9215 Rackmount Kit 177 0H without Handle 1 Option 1CN Front Handle Kit 5063 9228 Front Handle Kit 177 0H 1 Option 1CP Rackmount Kit with Front Handle Kit 5063 9222 Rackmount Kit with handle 177 0H 1 14 User s and Service Guide N5262 90001 Installation amp System Operation Specifications Specifications The following information is provided to confirm the operation of the N5261 62A General Characteristics Environmental Temperature 20 to 30 C Altitude 3 000 meters 9 842 ft EMC Samples of this product Meets radiated and conducted emission requirements of IEC 6006
33. Table 2 3 on page 60 and Figure 2 7 on page 60 Replace the failed component If you suspect the RF Amp 5086 7771 substitute the LO Amp 5086 7771 to verify the failure The RF Amp uses a leveling circuit with directional coupler and detector that also can be checked before replacing the RF Amp You may also substitute the Directional Coupler and Detector from the LO Amp section If the RF Amp is replaced a gain calibration must be preformed If you suspect the Solid State Switch SW1 amp SW2 confirm that one of its two LEDs toggle on off when you send a Test Set I O command Refer to Measure RF OUT Gain and Power on page 51 and Table 2 2 on page 54 Substitute a known good switch or connect a known good wire harness cable and retest Replace if necessary If the problem is not the switch measure the switch drive voltage on the Interface board J60 or J61 Pin 1 for a change in voltage 10 V or 13 0 V use I O command in Table 2 2 on page 54 Replace the Interface board User s and Service Guide N5262 90001 Service Information Test Set Troubleshooting LO Out Failure If the LO Out fails the Operation Verification test the following procedure can be used to verify the failure The procedures assume power supplies controller board and front panel LEDs are working Suspect the switch Interface board Bias cable RF pre amp or Power Divider 1 2 If one or more of the LO ports are working suspect the Power Divider
34. UT SW SRC SW SRC D R2 C R1 A PNA PNA X 1 0 45 OUT J8 OUT J11 To N5262A Sas SRC 2 RF IN SRC1 RF IN Controller D C Va LO IN SRC 2 SW A Port1 SW SRC SRC a Install the adapters N4903 61250 on the N5224 25A or N5244 45A SW SRC OUT J8 and J11 30 User s and Service Guide N5262 90001 Installation amp System Operation System Configuration and Operation Figure 1 19 N5261A Rear Panel Configuration E From LO OUT RF 1 OUT PNA PNA X D R2 C R1 Test Set I O J5 B A J6 To N5261A SRC 1 RF IN Controller D C Test Set I O LO IN B A Port 1 SW SRC User s and Service Guide N5262 90001 31 Installation amp System Operation System Configuration and Operation Figure 1 20 N5262A Rear Panel Configuration F nmm TestSet LO OUT RF 2 OUT RF 1 OUT PNA PNA X P R2 C R1 R 17g J5 J12 B J6 To N5262A m SRC 2 RF IN SRC1 RF Controller D C R fe LOIN SRC 2 SW B IN Port A SRC SW SRC 32 User s and Service Guide N5262 90001 Installation amp System Operation System Configuration and Operation PNA and PNA X Front Panel Connections Some system configurations require SRC connections between the analyzer s ports and the front panel of the test set Refer to Table 1 1 on page 4 and Table 1 2 on page 5 to determine if these connections are necessary for your configuration Figure 1 21 and Figure 1 22 provide the con
35. With a 3 dBm Input measure on the test set connector See Figure 2 1 on page 50 d ALC on and with 0 dBm Input measure on the test set connector See Figure 2 2 on page 52 User s and Service Guide N5262 90001 Installation amp System Operation Cable Loss Between the Test Set and the Module Cable Loss Between the Test Set and the Module If the cables between the test set and the millimeter wave modules are longer than four feet cable loss for the RF and LO paths may be excessive Perform the analysis recommended below Determine the input power level requirements for the millimeter wave module selected for use Refer to the documentation included with your module To determine the power available at the module calculate the cable loss using Figure 1 4 or Table 1 11 then subtract the cable loss from the RF and LO Out characteristic power of 10 dBm You may also use a power meter A separate DC supply is recommended for OML modules if they are greater than 5 meters from the controller A DC bias power cable with banana plug connectors is available for use with a separate power supply such as E3615A for OML modules VDI modules have a DC power supply included with the module If you are installing an external amplifier in the LO or RF path ensure the amplifier s input is connected to the test set and the output is connected to the mm wave module s LO or RF Input Modules with internal amplifiers are available
36. allation amp System Operation Rear Panel Features IF OUTPUTs SMA female D from the test set to the analyzer s IF D Input C from the test set to the analyzer s IF C Input R from the test set to the analyzer s IF R Input not installed in the N5261A A from the test set to the analyzer s IF A Input B from the test set to the analyzer s IF B Input LO IN This input is from the LO drive of the analyzer The signal is split and amplified and then output to the front panel of the N5261 62A SRC 1 RF IN and SRC 1 RF OUT Test set rear panel RF Input access for use with the analyzer s Option 224 or 423 SRC 1 provides the power input for RF OUT Ports 1 amp 2 SRC 2 RF IN and SRC 2 RF OUT Not installed in the N5261A Rear panel RF Input access for use with the analyzer s Option 224 or 423 SRC 2 provides the power input for RF OUT Ports 3 amp 4 Chassis Ground A threaded terminal post for connecting the test set to a conductive object cabinet or structure to ensure a common potential and reduce leakage current in a system Requires an English 1 4 20 thread nut 0140 0084 and lock washer 2190 0067 Pass Through Interface Connection to another test set Test Set I O The test set interface connector is used to send address and data to the test set from the analyzer Line Module This assembly houses the line cord connection line fuse and line voltage selector Remove the line module cover to rep
37. analyzer is operating properly verify the test set by performing the Test Set Operation Check on page 46 If the test fails continue to Test Set Troubleshooting on page 59 8 If the analyzer test set and Modules are functioning but the system is not operating 44 properly contact Keysight Support Services and Assistance on page 86 User s and Service Guide N5262 90001 2 Service Information User s and Service Guide N5262 90001 45 Service Information Test Set Operation Check Test Set Operation Check This chapter contains service information for a standalone N5261A and N5262A controller test sets The following procedure verifies the test set without system components The instructions below generally assume a 4 Port N5262A If you are using a N5261A omit Ports 3 and 4 Preparation Required Equipment PNA PNA L PNA X capable of 20 GHz The required Test Set I O interface is included with all models The PNA PNA L or PNA X will be referred to as the PNA throughout this procedure Two RF flexible cables with 3 5 mm male connectors 5062 6696 or equivalent One cable must be long enough to comfortably connect between the PNA and the rear panel of the test set Three SMA or 3 5 mm adapters female to female Voltmeter Power sensor and compatible power meter The power sensor must be capable of measuring from 10 dBm to 15 dBm at a frequency of 8 GHz A E4413A power sensor may
38. are On amber 002 0 eee eee eect ns 17 Front Panel Active and Port Status LED ooocococcococncn ne 17 SIRE Ute Lt 18 LO vOut np T L EE 19 REF IF or Test F Fall re ucc ace eese Pete acd AEE AAE Aaa nid Ra s 19 Test Set Diagrams and Graphics 0 0 0 ne 20 Part Replacement and Location Information 0 0 eee ete 25 Replaceable Parts i ise warden dod doe gh da E OE ainda via EOD dota Erbe ce RO don ated 25 Test and Adjustment Procedures oococcccccccococca ea nnns 30 Gain Factors for the SRC RF Paths ooococcocococn ee eee 31 Adjust ALC Levels x E e CR rco eoe soe crc ot anita igen dota o a 34 Safety and Information 0 0 a hmm 36 litro UCI secrete roh Ge ER n aee n GR eR Og RE RR eh te dn nt lei neste Ges 36 Safety Earth Ground eec de men em Ret eo gel UR RR RR ont Rc cU E D GR RR 36 Declaration of Conformity 0 00 cece eee eee 36 Statement of Compliance 0 0 cece eee eee 36 Before Applying POWer sini cie eect aca ter dace ee eae a a ew ae ae 37 Connector Care and Cleaning Precautions 0 0 00 ccc eee 38 User s and Service Guide N5262 90001 Contents i Contents Regulatory Intormatlon sto A eek um ee ete dae den a eate ete rur ks 39 Instrument Markings oooocoocccccconoccna mra 39 Battery Collection eoe RR eR RR eR RE t eR OR Rte e S 40 EMC Information o oh ede Rem Erbe dA dme Pea E eee a See podus 40 Acoustic Noise Emission ser
39. ce centers world wide please visit us at http www keysight com find service 1 Confirm that each piece of equipment is turned on and all analyzer and Module connections are correct Verify that the analyzer has the correct options for Millimeter mode operation Refer to Network Analyzer Requirements on page 2 3 Verify that the analyzer is in Millimeter mode for the waveguide band of the modules used If the receiver levels A B C D or R 1 fail the Banded System check refer to the Measure Test and Reference graphs in the documentation included with the module If the REF IF and Test IF levels are low connect the REF IF and TEST IF cables directly from the mm wave module to the analyzer s rear panel IF Inputs If the levels are correct proceed to step 7 If the levels are low continue with step 5 If one of more of the ports are working substitute the mm module with a known working module If the port is still not working measure the RF Out and LO Out power from the test set s RF Out and LO Out connectors at the end of the cables Replace or substitute the cables if the loss is greater than the cable specification If the cables are not the cause proceed to step 7 CAUTION Turn off the test set before disconnecting or reconnecting the modules 6 Confirm that the analyzer is working properly by disconnecting it from the test set and performing an Operation Verification OP VER in the Help menu 7 If the
40. e 47 Use a frequency range of 8 to 20 GHz and a power level of 2 dBm 1 Re install the SRC1 RF IN to SRC1 RF OUT and the SRC2 RF IN to SRC2 RF OUT rear panel jumpers 2 Connect PNA Port 2 to SRC1 RF IN on the front panel 3 Connect the PNA Port 1 to the Test Set Port 1 RF OUT 4 Issue the Test Set I O commands 32 0 and 0 1 enable ALC and output to Port 1 Verify that the gain is greater than 10 dB at all frequencies and there are no holes or significant discontinuities in the trace Refer to Figure 2 2 on page 52 5 Issue the Test Set I O command 32 1 disable ALC on Port 1 Verify that the gain increases at all frequencies and that there are no holes in the trace Refer to Figure 2 3 on page 52 6 Repeat the previous the previous four steps for each of the remaining test set ports using appropriate SRC1 2 connections and appropriate Test Set I O commands The following procedure measures the power output level 1 Select Sweep gt Sweep Type gt CW Time Set the sweep time to 5 seconds 2 Select Freq gt Start gt 8 GHz 3 Set the PNA power output level to 2 dBm 4 Connect the PNA Port 2 to SRC1 RF IN 5 Issue the Test Set I O commands 32 0 and 0 1 enable ALC and output to Port 1 6 Measure the Port 1 RF OUT power using the power sensor Confirm that RF OUT is 12 5 dBm 1 5 dB 7 Repeat the previous three steps for each of the remaining test set ports using appropriate SRC1 2 connections and Test Set
41. e found on the following pages Many of the steps require familiarity with the Preparation section beginning on page 46 74 User s and Service Guide N5262 90001 Service Information Test and Adjustment Procedures Gain Factors for the SRC RF Paths Background The controller board in the test set stores gain factors for the various SRC RF paths in non volatile memory These gain factors are used by the PNA firmware to ensure that the SRC RF power delivered to the mm wave head is approximately 11 dBm when the ALC is off When a component in a SRC RF path is replaced it is necessary to measure the new gain factors and update the values stored on the controller board Typically the gain factors must be updated whenever one or more of the components in an RF Section of Figure 2 10 N5261A RF and LO Block Diagram or Figure 2 11 N5262A RF and LO Block Diagram is replaced When a controller board is going to be replaced if possible the gain factors should be read from the old controller board before it is removed from the test set After the new controller board is installed the gain factors must be written into the test set If the gain factors cannot be read from the old board then the gain factors must be measured after the new controller board is installed Instructions for issuing Test Set O commands are contained in the Preparation section beginning on page 46 Table 2 4 on page 74 indicates which procedure s is r
42. eflective signal from entering the power divider and mixing with the RF signal RF Switch 5087 7733 A solid state switch with internal 50 ohm termination is used for switching the RF Output path for Ports 1 and 2 or Ports 3 and 4 These switches are controlled by the test set controller and interface boards 58 User s and Service Guide N5262 90001 Service Information Test Set Troubleshooting Test Set Troubleshooting For assistance refer to Keysight Support Services and Assistance on page 86 If the test set is not operating properly use the following procedures to aid in isolating the problem Refer to the Test Set Diagrams and Graphics starting on page 64 Power Supply and Fans 1 Verify the front panel Standby switch is operational a The rear panel fan and front panel DC Power LEDs should be on when the Standby switch is in the on position 2 AC Line voltage checks a Ensure the proper AC line voltage is present at the instrument line cord b Remove the AC power cord from the instrument Check the instrument AC line module 5 amp fuse as shown in Figure 1 9 on page 23 c Remove the instrument bottom cover Near the rear panel are two fuse holders remove the 8 amp fuses and verify that they are operational See Figure 2 18 on page 73 3 Internal DC Power checks a Set the Standby switch to the Standby position b Remove the top cover and connect the AC power cord No fans or DC power LEDs should be o
43. em connect a short to the test port For a 2 Port or 4 Port system connect the module ports together to form thru connections Refer to Measure a Thru Connection on page 43 for connections Normalize each trace Select the trace and press Memory Normalize For a 1 Port system remove the TEST IF cable from the test set or module For a 2 Port or 4 Port system disconnect the module ports and connect a load or short to all module ports Select Scale gt Reference Level 30 gt Enter Set the reference as needed to view each trace The 11 12 S21 S34 or S43 traces show non calibrated system dynamic range The dynamic range will vary depending on the modules used and the configuration of the system Reference your modules document for performance information See Figure 1 31 Select Memory gt Data Math gt Off and review the traces for noise floor performance Figure 1 31 Dynamic Range Trace Example User s and Service Guide N5262 90001 43 Installation amp System Operation System Level Troubleshooting System Level Troubleshooting If the System Operation Verification procedure fails perform the following procedure to isolate the problem Refer to the Keysight PNA Series firmware Upgrades and Support at http na support keysight com pna for further information To request service please contact your local service center In the US call 800 829 4444 For a listing of servi
44. en the N5261 62A is turned off 56 User s and Service Guide N5262 90001 Service Information Theory of Operation Power Supply 0950 4729 The power supply 0950 4729 coverts the AC line voltages to DC This is an automatic line voltage selecting power supply The AC line voltage 100 to 240 V 50 60 Hz is provided from the line module located on the rear panel Isolators 0955 1595 Isolators are installed in the LO Output RF path for each port These 10 watt isolators maximizes the LO power input to the millimeter wave modules over a frequency range of 8 to 19 GHz LO Preamplifier 5087 7750 A preamplifier installed in the LO Input path provides a higher RF power level required for the LO Amp RF and LO ALC Amplifier 5087 7771 The Mod Amp has adjustable gain that provides ALC leveling for the front panel RF and LO Output signals Adjustments are made on each Mod Amp to set the maximum output power to 12 0 or 412 5 dBm R3 The output of each amplifier is connected to a coupler and with a detector for ALC the mod amps provide RF and LO leveling Each Mod Amp has a Bias board N5261 60103 installed on top that provides the power supply connection and circuitry for setting the gain of the amplifier R3 and an SMB Input to the modulator The ALC function for the LO is always enabled The ALC function for the RF sections may be turned off The test set controller board stores open loop gain values for the RF sections These
45. equired Measure Gain Factors for Ports 1 and 2 Procedure A 1 Connect the SRC 1 jumper on the rear panel of the test set 2 Preset the PNA Set the measured frequency range from 7 GHz to 20 GHz 3 Set the PNA power output level to 15 dBm Set the PNA to measure S12 4 Connect cables to PNA Ports 1 and 2 These two cables will allow connection to the front panel of the test set 5 Connect the two cables together using an adapter and perform a normalization calibration Refer to Test Set Operation Check on page 46 for instructions 6 Connect PNA Port 2 to SCR1 IN and PNA Port 1 to Test Set Port 1 RF OUT Issue the Test Set I O commands 32 1 and 0 1 turn off SRC1 ALC and set path to Port 1 7 Set markers for 7 10 15 and 20 GHz on the PNA trace 8 Read the value for each marker and translate to tenths of a dB round the raw number as required Example a reading of 25 34 dB would be translated to a value of 253 9 Record the values for Port 1 in Table 2 5 on page 76 10 Issue the Test Set I O command 0 2 to set the path to Port 2 11 Move the PNA Port 1 cable to Test Set Port 2 RF OUT 12 Record the values for Port 2 in Table 2 5 User s and Service Guide N5262 90001 75 Service Information Test and Adjustment Procedures Measure Gain Factors for Ports 3 and 4 Procedure B Repeat the process above for Ports 3 and 4 with the following modifications Connect the SRC2 jumper on the rear panel e Connect t
46. ere tt rya 202 cece eee eh me 40 Safely sere ee oye seaweed AA A qu ena ux A e Nw Rob qox URGE KORR X e REA 40 Electrostatic Discharge Protection ooococococonnocococon en 41 Agilent Support Services and Assistance 0 0 0 cece eect es 42 Service and Support Options oocococooco e n 42 Contacting Agilent cese esa Ak d AR e acr eee RUE 42 Shipping Your Product to Agilent for Service or Repair 0 0 e eee eee eee 42 Contents ii User s and Service Guide N5262 90001 1 Installation amp System Operation User s and Service Guide N5262 90001 Installation amp System Operation Introduction Introd uction This section of this document describes system installation and operation for a banded millimeter wave system using an N5261A or N5262A Millimeter Head Controller Banded millimeter wave systems are made up of three types of major components a PNA or PNA X a controller test set and millimeter wave heads These components are generally purchased separately and assembled into a system at the customer s site This section of the document focuses on receiving the controller with accessories and then on system installation and operation Table 1 1 on page 4 and Table 1 2 on page 5 lists compatible PNA and PNA X models with required options Table 1 3 on page 8 and Table 1 4 on page 8 list available millimeter wave modules Typical system configurations are pictured in Figure 1 1 on page 3 and Figure 1 1
47. ering a calibration factor for 8 GHz 1 Set the PNA to measure S12 2 Set for CW sweep at 8 GHz 3 Set the sweep time to 5 seconds 4 Set the power to 8 dBm ALC level for Port 1 Procedure Q 1 Prepare the PNA and Power Sensor as described above 2 Connect PNA Port 2 to SRC 1 IN 3 Connect the power sensor to Port 1 RF OUT 4 Issue the Test Set I O commands 32 0 and 0 1 ALC on and Port 1 RF OUT 5 Identify the Port 1 amp 2 ALC Amp see Figure 2 17 on page 72 Identity R7 and R3 see Figure 2 19 on page 79 Adjust R7 turn full CW may require up to 30 turns then 5 turns CCW 7 Adjust R3 adjust for a reading on the power meter of 12 5 dB 0 1 dBm o ALC level for Port 3 Procedure R Prepare the PNA and Power Sensor as described above Connect PNA Port 2 to SRC 2 IN Connect the power sensor to Port 3 RF OUT Issue the Test Set I O commands 32 0 and 0 16 ALC on and Port 3 RF OUT Identify the Port 3 amp 4 ALC Amp R7 and R3 see Figure 2 17 and Figure 2 19 Adjust R7 turn full CW may require up to 30 turns then 5 turns CCW MH OU RB WN Pp Adjust R3 adjust for a reading on the power meter of 12 5 dB 0 1 dBm 78 User s and Service Guide N5262 90001 Service Information Test and Adjustment Procedures ALC level for LO Procedure S 1 Prepare the PNA and Power Sensor as described on page 78 2 Connect PNA Port 2 to LO IN on the rear panel of the test set 3 Connect the
48. et on Network Analyzer Locking Foot from kit 5023 0132 4 Remove the top two standoffs from the rear panel on the test set 5 Install the two rear locking feet from the kit U3021 60002 onto the test set using two screws 0515 2317 included in shipment Looking at the rear panel the N5242 20139 is the left foot and the N5242 20138 is the right foot Figure 1 12 Rear Locking Feet N5222A or N5242A N5242 20139 N5242 20138 0515 2317 x2 User s and Service Guide N5262 90001 25 Installation amp System Operation System Configuration and Operation 6 Place the analyzer on top of the test set and ensure that the front frame of the analyzer is positioned slightly forward of the locks that are attached to the test set Slide the analyzer back so the locks engage the front frame of the analyzer Figure 1 13 Locking the Analyzer Network Analyzer Front Frame Slide the network analyzer back to engage the lock link in the back of the network analyzer s front frame Test Set Front Frame 7 Secure the analyzer s lower locking feet to the test set s upper locking feet using the spring loaded screws on the locking feet Refer to Figure 1 14 on page 27 If the locking feet are not aligned with the screw holes in the test set s upper locking feet loosen the screws securing the feet to the instrument slightly to align and tighten Figure 1 14 Locking Feet Screws Loc
49. fy that at least three of the Controller Status LEDs are on Refer to Figure 2 7 on page 60 b If none are on remove the Switch Driver board and recheck if still no indication replace the Controller board c If the Controller Status LEDs and the front panel Active LED is on suspect the front panel LED board or the ribbon cable Replace as needed You can move the ribbon cable connection to the DC power board and verify if the problem is the Port Status LED board or use the ribbon cable from the DC power board to verify if the problem is the ribbon cable User s and Service Guide N5262 90001 61 Service Information Test Set Troubleshooting RF OUT Failures If the test ports are not switching or fail the Operational Check the following procedures can be used to verify the failure The procedures assume power supplies controller board and front panel LEDs are working Suspect the switch Interface board ribbon cable connection or RF switch Refer to Table 2 3 on page 60 and Figure 2 7 on page 60 1 2 62 Inspect the ribbon cable connections from the RF switches to the Switch Interface board N5261 60001 Ensure the RF jumpers E8356 20072 are installed on SRC1 IN OUT and SRC2 IN OUT on the rear panel Start by measuring the power at SRC1 or SRC2 continuing through the RF Amp Directional Coupler and Solid State Switch If you find incorrect power levels and suspect a component has failed verify the DC voltages referencing
50. ght Technologies representative CAUTION The N5261 62A Millimeter Head Controller and the millimeter wave modules are sensitive to electrostatic discharge ESD Ground your work station before unpacking and installing the millimeter wave modules See Electrostatic Discharge Protection on page 85 Option List Information Use the tables below to verify that your specific option shipment is complete Table 1 5 N5261 62A Standard Content Keysight X y Nuba Ref Des Description Qty N5261A or ee N5262A Millimeter Head Controller Test Set 1 1810 0118 E N5261A Coax Termination 50 Ohm male load 1 1810 0118 A N5262A Coax Termination 50 Ohm male load 2 Multi Cond Flex CA AY DSub25 m m penta ee t 520mm 20in Rear Panel Connections l 9230 0333 Envelope Calibration Certificate 1 9320 6636 Functional Certificate 1 N5262 90001 User s and Service Guide 1 N5256 90001 OML Module Product Note 1 N5256 90002 VDI Module Product Note 1 User s and Service Guide N5262 90001 9 Installation amp System Operation Verifying Your Shipment Table 1 6 N52614A Interface Kits MU NM Ref Des Description Qty N5261A Option 102 Interface Kit for 2 Port PNA N5222 42A 5061 9038 W5 Coax Flex CA Assy SMA m m 6 W8 W12 520 mm 20 in rear panel connections N5262 20016 W1 Coax Rigid CA Assy SMA m f SRC1 to 2 Po
51. guration diagrams Can only drive output on one port at a time in this configuration connections for Port 1 Functionality is the same as PNA X without Option 224 423 Must use RF1 OUT on the rear panel 2 o 224 423 Condition of the Route PNA RF to rear panel RF OUT check box n no y check x don t care Refer Must use RF OUT or RF1 OUT on the rear panel Options 224 and 423 do not provide rear panel Must use RF OUT or RF2 OUT on the rear panel Functionality is the same as PNA X without Option User s and Service Guide N5262 90001 Installation amp System Operation Compatible mm wave Modules Compatible mm wave Modules Keysight offers millimeter modules manufactured by Olsen Microwave Labs OML and Virginia Diodes Inc VDI for use with the N5261 62A for banded mm wave network analyzer systems Refer to Table 1 3 Available OML Modules on page 8 and Table 1 4 Available VDI Modules on page 8 Transmission Reflection millimeter wave modules contain an RF source multiplier dual directional coupler reference downconverter and a test downconverter The Transmission Reflection millimeter wave module is usually the primary module of a millimeter wave VNA system A single Transmission Reflection module allows the measurement of S11 reflection coefficient only Refer to Figure 1 3 Receive only millimeter wave modules contain a test downconverter to receive the test signal from a Transmissio
52. he rear panel The test set control board is shown in Figure 2 17 on page 72 NWE and NCLR labels are silk screened near the sides of the switch To enable writing slide both sections of the switch toward U5 To disable writing slide both sections of the switch away from U5 The switch may be covered with soft transparent plastic A sharp stiff tool may be required to manipulate the switch Enable writing via the slide switch Issue a separate Test Set I O write command for each entry in Table 2 5 As an example to write a value of 253 for Port 1 at 7 GHz issue the following command 144 253 It is only necessary to write new values If only Procedure A has been performed and not Procedure B then only values for Ports 1 and 2 need to be written If a test set controller board has been replaced then values for all four ports must be written for an N5262A Disable writing via the slide switch when this procedure is complete User s and Service Guide N5262 90001 77 Service Information Test and Adjustment Procedures Adjust ALC Levels Background When a component is changed in an RF or LO signal path it is often necessary to adjust the ALC level for the path See Table 2 4 on page 74 for required adjustments when a part is replaced PNA and Power Sensor Preparation A power sensor and power meter must be prepared to make measurements at 8 GHz This may include calibrating the power sensor with the meter and ent
53. ion must be used User s and Service Guide N5262 90001 81 Service Information Safety and Information WARNING Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended Discard used batteries according to manufacturer s instructions WARNING For continued protection against fire hazard replace line fuse only with same type and rating The use of other fuses or material is prohibited WARNING These servicing instructions are for use by qualified personnel only To avoid electrical shock do not perform any servicing unless you are qualified to do so WARNING The opening of covers or removal of parts is likely to expose the user to dangerous voltages Disconnect the instrument from all voltage sources before opening WARNING No operator serviceable parts inside Refer servicing to qualified personnel To prevent electrical shock do not remove covers WARNING The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a stand by switch and is not a LINE switch disconnecting device Connector Care and Cleaning Precautions Remove the power cord to the instrument To clean the connectors use alcohol in a well ventilated area Allow all residual alcohol moisture to evaporate and fumes to dissipate p
54. king Screw Locking Screw 26 User s and Service Guide N5262 90001 Installation amp System Operation System Configuration and Operation Rear Panel Connections Rear panel connections are documented in and configuration through Figure 1 15 N5261A Rear Panel Configuration A Refer to to determine which figure applies to your From PNA PNA X D R2 C R1 Test Set 1 0 LO OUT J5 ee D C Test Set I O LO IN Controller User s and Service Guide N5262 90001 27 Installation amp System Operation System Configuration and Operation Figure 1 16 N5262A Rear Panel Configuration B From LO UT VENA D R2 C R1 R TestSetl O yg B A To N5262A D C R TestSetl O LOIN B A Controller 28 User s and Service Guide N5262 90001 Installation amp System Operation System Configuration and Operation Figure 1 17 N5261A Rear Panel Configuration C From LO OUT SW SRC SNA ONE D R2 C R1 Test Set VO yg a UTD To N5261A SRC 1 RF IN Controller B c Test Set I O LOIN B A Portl Sw SRC a Install the adapter N4903 61250 on the N5224 25A or N5244 45A SW SRC OUT J11 User s and Service Guide N5262 90001 29 Installation amp System Operation System Configuration and Operation Figure 1 18 N5262A Rear Panel Configuration D From Test Set LO O
55. lable Refer to OML millime ter wave modules documentation N5256 90001 Table 1 4 Available VDI Modules Pe o Port Type Source Receiver Model Notes 750 to 1100 Waveguide y N5262AW01 TST T R Module 500 to 750 Waveguide Jd N5256AW01 TST T R Module 50 to 500 Waveguide 4 N5262AWxx TST T R Module 750 to 1100 Waveguide y N5262AR01 TST Receiver 500 to 750 Waveguide y N5256R01 TST Receiver 50 to 500 Waveguide y N5262ARxx TST Receiver a The Interface cable set is supplied with each VDI module Do not order cable Options 501 502 503 and 505 b These modules are compatible with the test set only They are provided with their own power supply do not connect to the test set DC power port Refer to VDI millimeter wave modules documentation N5256 90002 User s and Service Guide N5262 90001 Installation amp System Operation Verifying Your Shipment Verifying Your Shipment To verify the contents shipped with your product refer to the Box Content List included with the shipment For a list of option components refer to Table 1 6 on page 10 Inspect the shipping container If the container or packing material is damaged it should be kept until the contents of the shipment have been checked mechanically and electrically If there is physical damage refer to Contacting Keysight on page 86 Keep the damaged shipping materials if any for inspection by the carrier and a Keysi
56. lace or change the fuse Line voltage selection is automatic and no setting is required Recommended fuse values are printed on the rear panel of the N5261 62A Power Cords A line power cord is supplied in one of several configurations depending on the destination of the original shipment Keysight can supply additional certified power cords to meet region electrical supply and receptacle configurations Please refer to our website at http www keysight com for assistance in power cord selection User s and Service Guide N5262 90001 21 Installation amp System Operation Rear Panel Features Available Fuses Fuse F 5 A 250V 2110 0709 UL listed and CSA certified WARNING For continued protection against fire hazard replace line fuse only with same type and rating The use of other fuses or material is prohibited Figure 1 9 Line Fuse CAUTION Verify that the premise electrical voltage supply is within the range specified on the instrument 22 User s and Service Guide N5262 90001 Installation amp System Operation System Configuration and Operation System Configuration and Operation Site Preparation Install the instrument so that the detachable power cord is readily identifiable and is easily reached by the operator An externally installed switch or circuit breaker which is readily identifiable and is easily reached by the operator should be used as the disconnecting device The detachable power cord can
57. le using a power sensor The power should be in the 8 to 12 dBm range Adjust the PNA power output level if needed Reconnect the cable to LO IN Measure the Port 1 LO OUT power using a power meter The power should be 12 dBm 1 5 dB Measure LO OUT for the other ports on the test set Figure 2 1 LO Output Gain with 10 dB Input 50 File Trace Chan Response Marker Asalysis Stimulus Utility Help Channel 1 AveegngFacdor User s and Service Guide N5262 90001 Service Information Test Set Operation Check Measure the SRC1 amp SRC2 RF Paths The following procedure verifies SRC1 and SRC2 internal cables between the front and rear panels Prepare the PNA to measure S12 with a normalization calibration using a frequency range of 8 to 20 GHz and a power level of 8 dBm See PNA Normalization Calibration on page 47 The cable on PNA Port 2 must be long enough to reach the rear panel of the test set 1 Remove the SRC1 RF IN to SRC1 RF OUT rear panel jumper 2 Connect the PNA RF Port 1 to SRC1 RF IN on the front panel 3 Connect Port 2 to the rear panel SRC1 RF OUT 4 The maximum loss should be 2 5 dB 5 Repeat the steps above with appropriate modification to measure the SRC2 path the maximum loss should be 2 5 dB Measure RF OUT Gain and Power The following procedure measures gain Prepare the PNA to measure S12 with a normalization calibration Refer to PNA Normalization Calibration on pag
58. llow the system to warm up for at least 30 minutes 2 Attach a waveguide extension section to each module s waveguide flange port to protect the modules waveguide connector 3 Verify that the analyzer is in Millimeter mode and that the frequency range is correct for the configured millimeter system 4 To verify the port as a receiver perform the following steps a Connect a short to Port 1 b Display all receivers on the analyzer s screen using the following menu selections System Service Utilities Receiver Display Compare the A 1 and R1 1 traces to the data for your modules Test and Reference receivers The general shape should be similar but not necessarily identical to the graphics in the module documentation Depending on the PNA model used there may be a level shift of up to 10 dB If a waveguide short is not connected the Test Receiver level will appear to have low amplitude If you are using more than one Transmission Reflection module move the short to Port 2 If you are only testing one port proceed to step 6 Compare the B 2 and R2 2 traces to the data for your modules Test and Reference receivers for the millimeter wave module on Port 2 The general level and shape should be similar Repeat step d and step e for Port 3 and compare trace 3 C 3 and R3 3 Repeat step d and step e for Port 4 and compare trace 4 D 4 and R4 4 User s and Service Guide N5262 90001 41 Installation amp
59. mm male 2 U3021 60003 Lock Link Kit Test Set to PNA User s and Service Guide N5262 90001 Continued on Page 12 11 Installation amp System Operation Verifying Your Shipment Table 1 7 N5262A Interface Sets Continued N5262A Option 108 Interface Kit 4 Port N5224 25 44 45A 5061 9038 W5 W6 Coax Flex CA Assy SMA m m W8 W13 520 mm 20 in rear panel connections E Coax Rigid CA Assy SMA male to 2 4 mm female ABgnece deb d SRC1 to 4 Port PNA N5262 20027 w2 Coax Rigid CA Assy SMA male to 2 4 mm female SRC2 to 4 Port PNA N4903 61250 Coax Adapter 3 5 mm female to 2 4 mm male U3021 60003 Lock Link Kit Test Set to PNA N5262A Option 112 Interface Kit 2 Port N5227 47A E W5 Coax Flex CA Assy SMA m m SGT uan W8 W13 520 mm 20 in rear panel connections T Coax Rigid CA Assy SMA male to 2 4 mm female Nene ded id SRC1 to 2 Port PNA Coax Rigid CA Assy SMA male to 2 4 mm female naar ee Des we SRC2 to 2 Port PNA N5262 20025 w2 Coax Rigid CA Assy SMA male to 2 4 mm female SRC2 to 2 Port PNA U3021 60003 Lock Link Kit Test Set to PNA N5262A Option 114 Interface Kit 4 Port N5227 47A 5061 9038 W5 W6 Coax Flex CA Assy SMA m m W8 W13 520 mm 20 in rear panel connections 5 Coax Rigid CA Assy SMA male to 2 4 mm female LEDS no SRC1 to 4 Port PNA N5262 20027 w2 Coax Rigid CA
60. n C Setthe Power Switch to the on position Both rear panel and internal power supply fans should be operational the front panel DC Power LEDs should be on If the DC Power LEDs are off measure the 12 Vdc pins on the front panel connectors Refer to Test Set 1 0 Commands on page 47 d Ensure the Controller board DC Supply indicator LEDs are on If not suspect power supply 0950 4727 or front panel Standby switch Using a DVM measure the power supply terminal connections Refer to the label on the power supply for voltages on the terminals screws Figure 2 7 on page 60 e If the voltages on the power supply are correct lift the Interface board If the Controller board DC Supply LEDs are on disconnect switches J60 amp J61 and amp cables J10 11 12 and 14 to the Interface board and re install the board If the indicator LEDs are on suspect the switch or amplifier Table 2 3 on page 60 f If the fan is not working and all Controller board DC Supply LEDs are on replace fan User s and Service Guide N5262 90001 59 Service Information Test Set Troubleshooting Table 2 3 Interface Board DC Power Distribution Details Ref Des Load DC Voltage DC Source J10 RF Ampl 2 2 9 15 15 Main PS U22 amp U23 J11 RF Amp2 2 2 9 15 15 Main PS U22 amp U23 J12 LO Pre Amp 15 Main PS J14 LO Amp 2 2 9 15 15 Main PS U22 amp U23 J60 RF Sw1 10 amp 13 U20 amp U21 J61 RF Sw2 10 amp 13 U20 amp U2
61. n Reflection millimeter wave module The use of a Receiver module as the second module allows the system capability to measure S11 and S21 only The use of two Transmission Reflection modules in the millimeter wave VNA system allows for all four S parameters to be measured The test downconverters of Transmission Reflection modules are the receivers for the signal from the modules sources When the two modules waveguide are connected S11 and S21 are measured in the forward direction S22 and S12 are measured when the signal path is reversed If a 4 Port system is configured with Transmission Reflection modules all 16 S parameter measurements can be made on a 4 Port device Figure 1 3 Module Configurations di 11 TxRx DUT Reflection Measurements EM GE S11 S21 i Thru Reflection TxRx Rx Measurements lt y S11 B Full 2 Port TxRx TxRx u FO 5 1 E d Measurements 12 P y 22 User s and Service Guide N5262 90001 7 Installation amp System Operation Compatible mm wave Modules Table 1 3 Available OML Modules Banded Freq Ranges GHz Port Type Source Receiver Model Notes 33 to 500 Waveguide y y N5256AWxx T R Module 33 to 500 Waveguide y N5257ARxx Receiver 33 to 500 Waveguide Dual N5258ADxx Receiver Dual a The Interface cable set is not supplied refer to Table 1 6 on page 10 b Adjustable RF Attenuator RF amp LO internal amplifiers options are avai
62. n a safe condition The documentation contains information and warnings that must be followed by the user to ensure safe operation and to maintain the product in a safe condition Safety Earth Ground WARNING This is a Safety Class Product provided with a protective earthing ground incorporated in the power cord The mains plug shall only be inserted in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous Intentional interruption is prohibited CAUTION Always use the three prong AC power cord supplied with this product Failure to ensure adequate earth grounding by not using this cord may cause product damage and the risk of electrical shock Declaration of Conformity Declarations of Conformity for this product and for other Keysight products may be downloaded from the Keysight Regulatory Website Click on Declarations of Conformity and enter your product number to find the latest Declaration of Conformity statement http regulations about keysight com Statement of Compliance This instrument has been designed and tested in accordance with CAN CSA 22 2 No 61010 1 04 UL Std No 61010 1 2nd Edition 80 User s and Service Guide N5262 90001 Service Information Safety and Information Before Applying Power Verify that the premises electrical supply is within the range of the instrument The in
63. nection diagrams Figure 1 21 N5261A Front Panel Configuration Y and Z TERME s J000005000 i t LJ uto0DOD0b b s u6b000000 E elg dd l o vee e User s and Service Guide N5262 90001 33 Installation amp System Operation System Configuration and Operation Millimeter wave Module Cable Connections Before connecting the millimeter wave modules verify that the test set and the power supplies if used are powered down There are four RF cables for each T R module Cables provided with the VDI modules are pre labeled The cables for use with the OML modules come in two types two lighter and two heavier Use the lighter cables for the IF signals and the heavier cables for the RF and LO signals R JUNTA Figure 1 24 Example VDI Module Connections sz E 7 one oe ety wr Figure 1 23 Example OML Module Connections O O TEST IF F LO DC Bias REF IF a Each module has a separate power 4 supply 34 User s and Se
64. nt capabilities for banded mm wave systems using the N5261A and N5262A test sets NOTE Capabilities C1 pulse C2 power control RCVR leveling C3 SMC phase C4 SPM C5 ITSMA Table 1 1 PNA Based Configurations Cable PNA PNA SRC b Cable Interface Capabilities and Config Model s Options Test set Connects Ck Kit en 9 E Notes Diag s N5222A 200 201 or N5261A front n N5261A 102 A Y C1 C2 C3 CA 219 N5262A front n N5262A 102 BV c1 c2_c4 _ 400 401 or N5261A front n N5261A 104 A Z C1 C2 C3 C4 419 N5262A front n N5262A 104 B X C1 C2 C3 C4 C5 N5224 5A 200 201 or N5261A front n N5261A 112 A Y C1 C2 C3 CA 219 N5262A front n N5262A 112 B V C1 C2 C4 d 400 401 or N5261A front n N5261A 114 AZ C1 C2 C3 CA 419 N5262A front n N5262A 114 B X C1 C2 C3 C4 C5 N5227A front n N5261A 112 A C1 C2 C3 CA N5261A rear y N5261A 112 E C1 C2 C3 CA 200 201 or 219 front n N5262A 112 B V C1 c2 c4 d N5262A config not rear XXXXXX XXX i available front n N5261A 114 AZ C1 C2 C3 CA N5261A 400 401 or rear y N5261A 114 C1 C2 C3 CA 419 front n N5262A 114 BX C1 C2 C3 C4 C5 N5262A rear y N5262A 114 F C1 C2 C3 C4 C5 a All PNA s require Option 020 When an N5262A is used with a 2 Port PNA Option 551 is required b Condition of the Route PNA RF to rear panel RF OUT check box n not checked y check Refer to ste
65. o SRC2 IN in place of SRC1 IN e The first set of Test Set I O commands should be 32 2 and 0 16 turn off SRC2 ALC and set the path to Port 3 The Test Set I O command to set the path to Port 4 is 0 32 Table 2 5 Gain Factor Addresses and Values Write Read pois ried Address Address MEL Port 1 7 GHz 144 16 Port 1 10 GHz 148 20 Port 1 15 GHz 152 24 Port 1 20 GHz 156 28 Port 2 7 GHz 160 32 Port 2 10 GHz 164 36 Port 2 15 GHz 168 40 Port 2 20 GHz 172 44 Port 3 7 GHz 176 48 Port 3 10 GHz 180 52 Port 3 15 GHz 184 56 Port 3 20 GHz 188 60 Port 4 7 GHz 192 64 Port 4 10 GHz 196 68 Port 4 15 GHz 200 72 Port 4 20 GHz 204 76 76 User s and Service Guide N5262 90001 Service Information Test and Adjustment Procedures Read Gain Factors from the Test Set Procedure C Issue a separate Test Set I O read command for each entry in Table 2 5 on page 76 Record each value as it is read from the test set As an example to read the value for Port 2 at 10 GHz issue the following command 36 The command will return the value stored in the test set The value is an integer representing tenths of a dB Ignore the leading Write Gain Factors to the Test Set Procedure D A slide switch must be accessed to enable writing of gain factors The switch is located on the test set Control Board next to U5 close to t
66. on are listed below Purchase acceptable ESD accessories from your local supplier Conductive table mat and wrist strap combination Conductive floor mat and heal strap combination Both types when used together provide a significant level of ESD protection To ensure user safety static safe accessories must provide at least 1 MQ of isolation from ground WARNING These techniques for a static safe work station should not be used when working on circuitry with a voltage potential greater than 500 volts User s and Service Guide N5262 90001 85 Service Information Keysight Support Services and Assistance Keysight Support Services and Assistance Service and Support Options There are many other repair and calibration options available from the Keysight Technologies support organization These options cover a range of service agreements with varying response times Contact Keysight for additional information on available service agreements for this product Contacting Keysight Assistance with test and measurement needs and information on finding a local Keysight office are available on the Internet at http www keysight com find assist You can also purchase accessories or documentation items on the Internet at http www keysight com find If you do not have access to the Internet contact your field engineer NOTE In any correspondence or telephone conversation refer to the Keysight product by its model numbe
67. ontract or subcontract Software is delivered and licensed as Commercial computer software as defined in DFAR 252 227 7014 J une 1995 or as a commercial item as defined in FAR 2 101 a or as Restricted computer software as defined in FAR 52 227 19 une 1987 or any equivalent agency regulation or contract clause Use duplication or disclosure of Software is subject to Keysight Technologies standard commercial license terms and non DOD Departments and Agencies ofthe U S Government will receive no greater than Restricted Rights as defined in FAR 52 227 19 c 1 2 J une 1987 U S Government users will receive no greater than Limited Rights as defined in FAR 52 227 14 j une 1987 or DFAR 252 227 7015 b 2 November 1995 as applicable in any technical data Warranty THE MATERIAL CONTAINED IN THIS DOCUMENT IS PROVIDED AS IS AND IS SUBJ ECT TO BEING CHANGED WITHOUT NOTICE IN FUTURE EDITIONS FURTHER TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW KEYSIGHT DISCLAIMS ALL WARRANTIES EITHER EXPRESS OR IMPLIED WITH REGARD TO THIS MANUAL AND ANY INFORMATION CONTAINED HEREIN INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE KEYSIGHT SHALL NOT BE LIABLE FOR ERRORS OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE FURNISHING USE OR PERFORMANCE OF THIS DOCUMENT OR ANY INFORMATION CONTAINED HEREIN SHOULD KEYSIGHT AND THE USER HAV
68. p 9 on page 40 Oo See Figure 1 15 through Figure 1 22 for the configuration diagrams d Can only drive output on one port at a time in this configuration User s and Service Guide N5262 90001 Installation amp System Operation System Configurations Table 1 2 PNA X Based Configurations PNA X PNA TM ESSE cie Cable Interface COE Capabilities and Model s Option s Connects Kit Diag s Notes N5242A 200 N5261A front n N5261A 102 A Y C1 C2 C3 C4_ N5262A front n N5262A 102 B V C1 C2 C4 d 200 amp 224 N5261A front n N5261A 102 A Y C1 C2 C3 C4 rear y N5261A 102 C CL OX C3 62 N5262A front n N5262A 102 BW C1 C2 C3 C4 rear y N5262A 104 D C1 C2 C3 C4 _ 400 N5261A front n N5261A 104 A C1 C2 C3 C4 N5262A front n N5262A 104 B X C1 C2 C3 C4 C5 400 amp 423 N5261A front n N5261A 104 A C1 C2 C3 C4 rear y N5261A 104 G C1 C2 C3 C4 N5262A front n N5262A 104 B X C1 C2 C3 C4 C5 rear y N5262A 104 D C1 C2 C3 C4 C5 N5244 5A 200 N5261A front n N5261A 112 A C1 C2 C3 C4 N5262A front n N5262A 112 B V C1 c2 C4 19 2008224 N5261A front n N5261A 112 A Y C1 C2 C3 C4 rear y N5261A 106 C C1 C2 C3 C4 N5262A front n N5262A 112 BW C1 C2 C3 C4 rear y N5262A 108 D C1 C2 C3 C4 400 N5261A front n N5261A 114 AZ C1 C2 C3 C4 N5262A front n N5262A 114 B X C1 C2 C3 C4 C5 400 amp 423 N5261A fron
69. power sensor to Port 1 LO OUT 4 Identify the LO ALC Amp R7 and R3 see Figure 2 17 and Figure 2 19 5 Adjust R7 turn full CW may require up to 30 turns then 5 turns CCW 6 Adjust R3 adjust for a reading on the power meter of 12 dB 0 1 dBm Figure 2 19 Mod Amp Identifiers R3 R7 OON m 3 V MUX RF Connections Procedure Z Refer to Figure 2 9 on page 65 and Figure 2 17 on page 72 for the location of the Interface Board SMB connectors and IF cable routing information The SMB connectors on the cables that connect to the Interface Board N5261 60101 sometimes become loose after multiple connections A loose connector may allow crosstalk between IF signals and may cause higher than expected noise floors After installing an Interface Board check for loose connectors on all thirteen SMB connectors J303 J250 J302 J200 J301 J150 J300 J100 J251 J201 J151 J101 J304 If there is a loose connection replace the cable The N5262A front panel cables part number are 8121 0150 rear panel cables are part number 8120 8483 User s and Service Guide N5262 90001 79 Service Information Safety and Information Safety and Information Introd uction Review this product and related documentation to familiarize yourself with safety markings and instructions before you operate the instrument This product has been designed and tested in accordance with accepted industry standards and has been supplied i
70. r and full serial number With this information the Keysight representative can determine the warranty status of your unit Shipping Your Product to Keysight for Service or Repair IMPORTANT Keysight Technologies reserves the right to reformat or replace the internal hard disk drive in your analyzer as part of its repair This will erase all user information stored on the hard disk It is imperative therefore that you make a backup copy of your critical test data located on the analyzer s hard disk before shipping it to Keysight for repair If you wish to send your instrument to Keysight Technologies for service or repair Include a complete description of the service requested or of the failure and a description of any failed test and any error message Remove and retain the front handles and all rack mount hard ware The analyzer should be sent to Keysight in the same configuration as it was originally shipped Remove and retain the front handles and all rack mount hard ware The analyzer should be sent to Keysight in the same configuration as it was originally shipped Contact Keysight for instructions on where to ship your analyzer 86 User s and Service Guide N5262 90001
71. re 2 5 Figure 2 6 User s and Service Guide N5262 90001 55 Service Information Theory of Operation Theory of Operation Functional Block and Assembly Information The N5261A 62A routes PNA X LO and RF signals to a millimeter wave module This allows the PNA X to up convert for a millimeter wave source and down convert a received millimeter wave frequency to an IF frequency 7 6 MHz It also provides the DC power for the millimeter wave module The following components are used in the N5261 62A Refer to the block diagrams Figure 2 10 through Figure 2 13 beginning on page 66 Test Set Control Board N5261 60006 The Test Set Control board N5261 60006 is a surface mount printed circuit assembly PCA that provides a connection to the power supply and the PNA X Test Set 1 0 The PNA X sends address and data commands which are read by the test set controller for selecting the switch paths of the SRC1 and SRC2 RF and IF switch paths The test set controller board has a programmed FPGA and memory NovRam with model number and gain correction values for the Amplifiers and ALC circuits Switch S1 is set to lock the memory after calibration is been loaded The front panel Active and port LEDs are only on when the PNA X has addressed the N5261 62A Millimeter Head Controller The rear panel fan is on when the Controller board supplies are operational
72. re provided for evaluating the system operation results The purpose of the Operation Check is to detect significant degradations in the system that make the performance unacceptable The calibration kit and test environment can affect the System Operation Check results Refer to Site Preparation on page 24 When any part of the operator s check provides unsatisfactory results refer to System Level Troubleshooting on page 45 to determine the cause of the problem Required Equipment Waveguide Short Data for your mm wave modules receivers 3 32 Ball Driver OML or 5 64 Ball Driver VDI 5 16 Open end Torque Wrench 8 in lb 40 User s and Service Guide N5262 90001 Installation amp System Operation System Operation Verification Preparing the Network Analyzer 1 Connect the analyzer test set and the millimeter wave band modules as described in System Configuration and Operation on page 24 2 Turn on the test set and the analyzer 3 Configure the analyzer for operation with the millimeter wave modules Refer to Configuring the Network Analyzer Firmware on page 38 Refer to the Help menu for further information Procedure This procedure assumes that you have a Transmission Reflection module on each port If not the procedure will have to be modified appropriately The Operational Check procedure verifies that the banded system is connected correctly and the modules test set and analyzer are operating properly 1 A
73. rior to energizing the instrument WARNING To prevent electrical shock disconnect the Keysight N5261A or N5262A from mains electrical supply before cleaning Use a dry cloth or one slightly dampened with water to clean the external case parts Do not attempt to clean internally WARNING If flammable cleaning materials are used the material shall not be stored or left open in the area of the equipment Adequate ventilation shall be assured to prevent the combustion of fumes or vapors 82 User s and Service Guide N5262 90001 Service Information Regulatory Information Regulatory Information This section contains information that is required by various government regulatory agencies Instrument Markings ICES NMB 001 The instruction documentation symbol The product is marked with this symbol when it is necessary for the user to refer to the instructions in the documentation The AC symbol indicates the required nature of the line module input power This symbol indicates separate collection for electrical and electronic equipment mandated under EU law as of August 13 2005 All electric and electronic equipment are required to be separated from normal waste for disposal Reference WEEE Directive 2002 96 EC This symbol indicates that the power line switch is ON This symbol indicates that the power line switch is in the STANDBY position This symbol indicates that the power line switch is in the O
74. rt PNA 1 U3021 60002 Lock Link Kit Test Set to PNA X 1 N5261A Option 104 Interface Kit 4 Port PNA N5222 42A 5061 9038 W5 Coax Flex CA Assy SMA m m 6 W8 W12 520 mm 20 in rear panel connections N5262 20018 W1 Coax Rigid CA Assy SMA m f SRC1 to 4 Port PNA 1 U3021 60002 Lock Link Kit Test Set to PNA 1 N5261A Option 106 Interface Kit 2 Port PNA N5224 25 44 45A 5061 9038 W5 Coax Flex CA Assy SMA m m 6 W8 W12 520 mm 20 in rear panel connections N5262 20023 W1 o male to 2 4 mm female 1 N4903 61250 Coax Adapter 3 5 mm female to 2 4 mm male 1 U3021 60003 Lock Link Kit Test Set to PNA 1 N5261A Option 108 Interface Kit 4 Port PNA N5224 25 44 45A 5061 9038 W5 Coax Flex CA Assy SMA m m 6 W8 W12 520 mm 20 in rear panel connections N5262 20026 W1 n a male to 2 4 mm female 1 N4903 61250 Coax Adapter 3 5 mm female to 2 4 mm male 1 U3021 60003 Lock Link Kit Test Set to PNA 1 N5261A Option 112 Interface Kit 2 Port N5227 47A 5061 9038 W5 Coax Flex CA Assy SMA m m 7 W8 W13 520 mm 20 in rear panel connections N5262 20023 W1 Cee male to 2 4 mm female 1 U3021 60003 Lock Link Kit Test Set to PNA 1 N5261A Option 114 Interface Kit 4 Port N5227 47A 5061 9038 W5 W6 Coax Flex CA Assy SMA m m 8 W8 W13 520 mm 20 in rear panel connections N5262 20026 W1 Coax Rigid CA Assy SMA male to 2 4 mm female 1 U3021 60003 SRC1 to 4 Port PNA Lock Link Kit Test Set to PNA U
75. rvice Guide N5262 90001 Installation amp System Operation System Configuration and Operation The following detailed instructions are for connecting an OML T R module These instructions assume a cable dress kit black sleeving is available Modify the instructions appropriately for other types of modules 1 Prepare the cable bundle comprised of five cables listed in Table 1 13 a Complete Steps 1 through 5 of the Installation Guide from the Millimeter wave Cable Dress Kit document number N5260 90070 contained in kit part number N5261 60019 DO NOT APPLY THE VELCRO ASSEMBLIES AT THIS TIME 2 Connect the five cables to the front panel of the controller in the following order Use two right angle adapters 1260 2604 Table 1 13 Controller Connections Order Test Set Module OML 1 DC POWER 12 V 2 TEST IF Test I F 3 REF IF Ref I F 4 RF OUT R F In 5 LO OUT L O In Figure 1 25 Controller Front Panel Connections 3 Repeat step 1 and step 2 for each module in the system User s and Service Guide N5262 90001 35 Installation amp System Operation System Configuration and Operation 4 Select a Millimeter wave module and place it on the work surface in front of the test set 5 Connect the bundle of cables to the module in the following order Table 1 14 Millimeter Head Connections Order Module OML 1 12 V 2 R F In 3 L O In 4 Ref I F 5 Test I F
76. ry to Keysight Technologies for disposal Refer to Contacting Keysight on page 86 for assistance Electrical Safety Compliance SAFETY Complies with European Low Voltage Directive 2014 35 EU IEC EN 61010 1 2010 3 Edition Canada CSA C22 2 No 61010 1 12 USA UL std no 61010 1 3 Edition Acoustic statement European Machinery Directive 2022 42 EC 1 7 4 2U Accoustical noise emission LpA 70 dB Operator position Normal operation mode Per ISO 7779 EMI and EMC Compliance EMC Complies with European EMC Directive 2014 30 EU IEC 61326 1 2012 EN 61326 1 2013 CISPR Pub 11 Group 1 class A AS NZS CISPR 11 2011 ICES NMB 001 This ISM device complies with Canadian ICES 001 Cet appareil ISM est conforme a la norme NMB du Canada South Korean Class A EMC declaration This equipment is Class A suitable for professional use and is for use in electromagnetic environments outside of the home AD 00 000 0000000 000 000 A0 000000000 0 00 00 0 000 8 00 00000 18 404 040 0000 00 0 0 0 0008 0108 84 User s and Service Guide N5262 90001 Service Information Electrostatic Discharge Protection Electrostatic Discharge Protection Electrostatic discharge ESD can damage or destroy electronic components The product is shipped in materials that prevent damage from static and should only be removed from the packaging in an anti static area ensuring that the correct anti static precautions are taken Two types of ESD protecti
77. se for your configuration WARNING The network analyzer is heavy It is recommended that two individuals or a mechanical lift be used to lift or transport the instrument Mounting a Network Analyzer on the Test Set 1 Refer to the following kits for your specific analyzer In this procedure a N5242A 4 Port PNA X is used with a N5262A There are other kits available via the U3021M model Refer to Keysight Support Services and Assistance on page 86 for ordering information Locking Kit U3021 60002 for the test set Includes the Locking kit 5023 0132 and screws 0515 2317 to connect the test set to the N5222A PNA or N5242A PNA X The N5242 20138 is the right foot and N5242 20139 is the left Locking Kit U3021 60003 for the test set Includes the Locking kit 5023 0132 and screws 0515 2317 to connect the test set to the N5224 25 27 A PNA or N5244A 45 47A PNA X The N5242 20130 is the right foot and N5242 20131 is the left foot 1 Remove the feet from the bottom of the analyzer 2 Remove the 2 lower standoffs from the rear panel on the analyzer Figure 1 10 Rear Bottom Feet Standoffs x2 Feet x4 x M M 24 User s and Service Guide N5262 90001 Installation amp System Operation System Configuration and Operation 3 Install the two rear locking feet from the 5023 0132 onto the analyzer where the standoffs were removed Figure 1 11 Install Locking Fe
78. ser s and Service Guide N5262 90001 Installation amp System Operation Verifying Your Shipment Table 1 7 N5262A Interface Sets Keysight T y Part Number Ref Des Description Qty N5262A Option 102 Interface Kit 2 Port N5222 42A 5061 9038 W5 Coax Flex CA Assy SMA m m 520 mm 20 in 7 W8 W13 rear panel connections Coax Rigid CA Assy SMA male to female SRC1 to N5262 20016 W1 2 Port PNA 1 _ Coax Rigid CA Assy SMA male to female SRC2 to N5262 20017 W3 2 Port PNA 1 Coax Rigid CA Assy SMA male to female SRC2 to N5262 20020 W2 2 Port PNA 1 U3021 60002 Lock Link Kit Test Set to PNA 1 N5262A Option 104 Interface Kit 4 Port N5222 42A 5061 9038 W5 W6 Coax Flex CA Assy SMA m m 8 W8 W13 520 mm 20 in rear panel connections x Coax Rigid CA Assy SMA male to female SRC1 to N5262 20018 W1 4 Port PNA 1 7 Coax Rigid CA Assy SMA male to female SRC2 to N5262 20019 W2 4 Port PNA 1 U3021 60002 Lock Link Kit Test Set to PNA 1 N5262A Option 106 Interface Kit 2 Port N5224 25 44 45A 5061 9038 W5 Coax Flex CA Assy SMA m m 7 W8 W13 520 mm 20 in rear panel connections Coax Rigid CA Assy SMA male to 2 4 mm female Degree i SRC1 to 2 Port PNA Coax Rigid CA Assy SMA male to 2 4 mm female ac M JNS SRC2 to 2 Port PNA l 7 Coax Rigid CA Assy SMA male to 2 4 mm female a ree SRC2 to 2 Port PNA N4903 61250 Coax Adapter 3 5 mm female to 2 4
79. strument has an autoranging power supply WARNING If this product is not used as specified the protection provided by the equipment could be impaired This product must be used in a normal condition in which all means for protection are intact only CAUTION The Mains wiring and connectors shall be compatible with the connector used in the premise electrical system Failure to ensure adequate earth grounding by not using the correct components may cause product damage and serious injury CAUTION Always use the three prong AC power cord supplied with this product Failure to ensure adequate earth grounding by not using this cord may cause product damage and the risk of electrical shock CAUTION This product is designed for use in Installation Category Il and Pollution Degree CAUTION Before switching on this instrument make sure the supply voltage is in the specified range CAUTION Verify that the premise electrical voltage supply is within the range specified on the instrument CAUTION Ventilation Requirements When installing the instrument in a cabinet the convection into and out of the instrument must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating temperature of the instrument by 4 C for every 100 watts dissipated in the cabinet If the total power dissipated in the cabinet is greater than 800 watts forced convect
80. t n N5261A 114 AZ C1 C2 C3 C4 rear y N5261A 108 C C1 C2 C3 C4 N5262A front n N5262A 114 B X C1 C2 C3 C4 C5 rear y N5262A 108 D C1 C2 C3 C4 C5 User s and Service Guide N5262 90001 Continued on Page 6 Installation amp System Operation System Configurations Table 1 2 PNA X Based Configurations PNA X PNA Test Set SRC ck Cable Interface Conn Capabilities and Model s Option s Connects Kit Diag s Notes N5247A 200 N5261A front n N5261A 112 A Y C1 C2 C3 C4_ rear y N5261A 102 E C1 C2 C3 C4_ N5262A front n N5262A 112 BV c1 2 C3 c4_ rear XXXX XXXX config not available 200 amp 224 N5261A front n N5261A 112 A Y C1 C2 C3 C4 rear y N5261A 102 E C1 C2 C3 C4 lf N5262A front n N5262A 112 BW C1 C2 C3 C4 rear y N5262A 104 F C1 C2 C3 C4 400 N5261A front n N5261A 114 AZ C1 C2 C3 C4 rear y N5261A 102 E C1 C2 C3 C4 _ 9 N5262A front n N5262A 114 B X C1 C2 C3 C4 C5 rear y N5262A 104 F C1 C2 C3 C4 C5 400 amp 423 N5261A front n N5261A 114 AZ C1 C2 C3 C4__ rear y N5261A 104 E C1 C2 C3 C4 lf N5262A front n N5262A 114 B X C1 C2 C3 C4 C5 rear y N5262A 104 F C1 C2 C3 C4 C5 a All PNA X s require Option 020 When an N5262A is used with a 2 Port PNA X Option 551 is required o to step 9 on page 40 Must use RF OUT on the rear panel oao See Figure 1 15 through Figure 1 22 for confi
81. t power Port Status LEDs The amber LEDs indicate which source port is active The green LEDs indicate which receiver port is active All receivers are active in normal operation DC Power Bias This bias supplies the 12 Vdc and ground lines for OML millimeter wave modules Pins 1 and 3 are both 12 Vdc supplies Pins 4 and 6 are the dc supply ground lines Pins 2 5 and 7 are unused The DC power connections are intended for use with OML modules DC Power Over Current LEDs The green LEDs indicate that the DC power bias is on The amber LEDs indicate an over current condition Stand by Switch The switch is only a Standby switch not a AC line power switch Active LED When the test set is connected and addressed by a analyzer the LED is On illuminated The LED is Off not illuminated when the test set is in Standby or not addressed by the analyzer NOTE The SRC2 Input and Ports 3 and 4 features are not present on the N5261A Refer to Figure 1 1 on page 3 User s and Service Guide N5262 90001 19 Installation amp System Operation Rear Panel Features Rear Panel Features Figure 1 7 N5261A Rear Panel Features IF Outputs D C B A LO IN SRC1 IN OUT Line Module TestSet O Pass Thru Interface Chassis Ground Figure 1 8 N52624A Rear Panel Features IF Outputs LO IN SRC2 IN OUTSRC1 IN OUT Line Module Test Set I O Pass Thru Interface Chassis Ground 20 User s and Service Guide N5262 90001 Inst
82. uency of RF signals from the PNA X rear panel is 19 GHz User s and Service Guide N5262 90001 37 Installation amp System Operation System Configuration and Operation Millimeter Mode The Millimeter mode allows you to configure the system for the millimeter wave module you are using Refer to the analyzer s Help menu for more information The following instructions assume the system has not been configured for the desired heads 1 Connect your system and turn on all of the equipment To access the millimeter application select System Configure Millimeter Module 2 3 Select the test set you are using from the drop down menu N5261A or N52624 4 Click the New command button 5 In the Selected Configuration dialog box enter a title such as WR15 to replace Config 15 Figure 1 27 Banded Configuration Selected Corfqurnton panis Poena Config mtiani s Staedias d PNA Test Set Properties WIS Selected Test Set NADA NSZG0A T Route PNA FIF to rem panel SW SRC OUT cc 1A ri REA Max Power Limit rose B At Matipa AF iN RF Cable Loss DO NOT include best set gain Fresuency Semana Start Frequency Stop Frequency Malt ober Sowce Mutigher REIN 100000000000 MHz 270000000 OH 1 E PNA Source Multiplier LOW 10000000000 Mz 27000000000 Qe T E PMALOSouce Test Port Frequeney 10000000 Mete Ef 27000000000 Grafs Clicking OK wall preset oK Cancel mp
83. x Nut 0140 0084 Lock Washer 2190 0067 Fuse 5 A 250V 2110 0709 Cable IF MUX front panel 8121 0150 Cable IF MUX rear panel 8120 8483 User s and Service Guide N5262 90001 69 Service Information Part Replacement and Location Information Figure 2 14 N5261A Top View Isolator Port 1 amp 2 RF Switch Isolator RF Mod Amp Controller Bd Status LEDs J10 J11 J12 J13 J14 Interface Bd Controller Bd Power Supply LEDs 70 User s and Service Guide N5262 90001 Service Information Part Replacement and Location Information Figure 2 15 Slope Pad Figure 2 16 N5261A Top Front View Isolator ALC Coupler Status LED Bd RF Switch Isolator A Slope Pad DC Power LED Bd ALC A Detector Coupler LO ALC Amp LO Power Amp Port 1 amp 2 ALC Amp User s and Service Guide N5262 90001 71 Service Information Part Replacement and Location Information Figure 2 17 N5262A Top View Isolator x4 Port 3 amp 4 ALC Amp LO ALC Amp Slope Atter Cable Assy Test Set Interface Bd Control Bd Status Bd Port 1 8 2 ALC Amp 1 Refer to Figure 2 9 on page 65 for IF cable routing between the Interface board and the front and rear panels 72 User s and Service Guide N5262 90001 Service Information Part Replacement and Location Information Figure 2 18 N5262A Bottom View Toriod Filter DC Power Wire Harness DC Power LED Cable DC Power Board Fuse Assembly
84. y the PNA Controlling the Test Set using Test Set I O Commands A Test Set I O command may be used when the PNA is connected to the Test Set via the Test Set I O cable Commands may control the test set or read data from the test set The GPIB command processor utility in the network analyzer software is used to communicate over the Test Set I O connector It is recommended to use a USB keyboard with a PNA when using the command processor Using the GPIB command processor e Select Utility gt System gt Configure gt SICL GPIB SCPI then GPIB Command Processor Console In the dialog box type the command text and then Enter on the keyboard to execute the command A write command is of the form cont ext test data nm n is the address and m is the data to be written Typically these values may be any number up to three digits in length e Aread command is of the form cont ext test data n n is the address A read command returns a single numeric value Pressing F3 on the keyboard will recall a previously sent command line for editing Asa check send the command cont ext test data O enter A 61 or 62 should be returned depending on the model number of the test set Anactive command processor window may be minimized via the in the upper right hand corner of the window To access a minimized command processor window minimize the PNA window Select File Minimize Application User s and Service Guide N526

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