Agilent Technologies 81100 Family Pulse/Pattern
Contents
1. Inputs and Outputs Clock input PLL reference and external input One input BNC connector at rear panel is used for clock input or alternatively for the PLL PLL Reference The internal PLL is locked to an external 5 MHz or 10 MHz reference frequency Clock input The output period is determined by the signal at CLK input Ext input Used for trigger gate or external width Input impedance 50 0 10 KQ selectable Typical delay times Agilent 81101A Instrument mode External width EXT INPUT All other modes EXT INPUT CLK INPUT STROBE TRIGGER OUT OUTPUT 1 OUTPUT 2 STROBE TRIGGER OUT OUTPUT 1 OUTPUT 2 17 ns Typ value STROBE TRIGGER OUT OUTPUT 1 OUTPUT 2 8 5 ns 22 5 ns 12 0 ns 29 ns Level parameters Can be entered as voltage or current as high and low level or as offset and amplitude Load compensation The actual load value can be entered for loads 250 Q to display actual output values On off Relays connect disconnect output HiZ Normal complement Selectable Limit Programmable high and low levels can be limited to protect the device under test Threshold 10 V to 10 V Max input voltage 15 Vpp Sensitivity 300 mVpp typical Input transitions lt 100 ns Frequency Dc to 50 MHz Minimum pulsewidth 10 ns Strobe output and trigger output Trigger format One pulse per period with 50 duty cycle typical External mode 9 ns typ Level TTL or ECL selectable Output im2. non return to zero DNRZ delayed non return to zero Random pattern PRBS 2 n 1 n 7 8 14 Trigger Modes Continuous continuous pulses double pulses bursts single or double pulses or patterns External triggered each active input transition rising falling or both generates a single or double pulse burst or pattern External gated the active input level high or low enables pulses double pulses bursts or patterns The last single double pulse burst or pattern is always completed External width the pulse shape can be recovered Period and width of an external input signal is maintained Delay levels and transitions can be set Manual simulates an external input signal Internal triggered internal PLL replaces an external trigger source Pulses double pulses bursts or patterns can be set Inputs and Outputs Clock input PLL reference and external input PLL reference BNC connector at rear panel The internal PLL is locked to an external 5 MHz or 10 MHz reference frequency Clock input BNC connector at rear panel The output period is determined by the signal at CLK input Ext input used for trigger gate or external width Input impedance 50 Q 10 KQ selectable Threshold 10 V to 10 V Max input voltage 15 Vpp Sensitivity lt 300 mVpp typical Transitions lt 100 ns Frequency dc to max frequency of output module Min pulsewidth 1 5 ns as width o
3. 5 s 0 00 ns to 3 00 us delay range 999 5 s 999 58 Period RMS 0 01 0 01 0 01 15 ps 0 001 15 ps jitter 15 ps 15 ps Width range 10 ns to 6 25 nsto 3 03 nsto 1 515 ns to 1 25 ns to 750 ps to 999 5 s 999 58 999 5 s 999 5 s period period 1 25 ns 750 ps Amplitude 100 mV to 100 mV to 100 mV to 100 mV to 100 mV to 100 mV to 1 1 1 range 20 0 V 20 0 V 20 0 V 3 8V 3 8V 2 5V Transition 5 00 ns to 3 00 nsto 2 00 ns to 800 ps or 1 6 800 ps or 1 6 500 ps typ time range 200 ms 200 ms 200 ms ns selectable ns selectable fixed 10 90 Dropout yes yes yes no and glitch free timing change Source 50Q or 50Q or 50Q or 1kQ 50Q 509 Impedance 1kQ 1kQ 1 depends on selected source impedance all other values apply for 50 Q source impedance into 50 Q load 2 0 001 15 ps with internal PLL as clock source 3 Also available as VXI Pulse Pattern Generators E8311A and E8312A Specifications Specifications describe the instrument s warranted performance Non warranted values are described as typical All specifications apply after a 30 minute warm up phase with 50 Q source load resistance All specifications are valid from 0 C to 55 C ambient temperature 81101A Specifications Timing Characteristics Measured at 50 amplitude at fastest transitions in continuous mode and 50 Q source impedance Mainframe Agilent 81101A Frequency range 1 mHz to
4. 50 MHz Timing resolution 3 5 digits 5 ps best case RMS jitter period width delay With PLL 0 001 15 ps With vco 1 0 01 15 ps Period range 20 ns to 999 5 s Accuracy with PLL 0 01 5 U1 Width range 10 0 ns to period 10 0 ns Accuracy 5 250 ps 2 Additional variable delay range 0 ns to period 20 ns Accuracy 5 1 ns Double pulse delay range width 10 0 ns to period width 10 0 ns Accuracy 5 500 ps Transition time range 10 90 5 ns to 200 ms variable Accuracy 10 200 ps Linearity 3 typ for transitions gt 100 ns Note 1 If the startable oscillator VCO is used PLL not active 2 Changing of amplitude may add 0 5 ns 3 Width accuracy specification is valid up to 5 5 Vpp amplitude Above this amplitude the width will typically increase up to 300ps Burst Count 2 to 65536 single or double Repeatability Is typically four times pulses better than accuracy Delay Delay phase or of period Output timing fidelity Period delay and Double pulse delay Double pulse and width are continuously delay are mutually exclusive variable without any output glitches Duty cycle Set between 0 1 and 95 or dropouts subject to width limits 99 9 with overprogramming Transition times These can be entered as leading trailing edge or of width Leading and trailing edges are independent within one of the following overlapping segments 1 20 ratio 5 ns 20 ns 10 ns 200 ns 100
5. 81111A and Agilent 81112A in one Agilent 81110A is not possible Quick Start Guide language options Opt ABF French Guide 81110 91210 Opt ABJ Japanese Guide 81110 91510 Opt ABO Taiwan Chinese Guide 81110 91610 Opt AB1 Korean Guide 81110 91710 Opt AB2 Chinese Guide 81110 91810 Additional documentation options OptOBW Service Manual 81110 91021 81110 91031 Service Documentation Component Level Opt UN2 Rear Panel Connectors instead of front panel Opt 1CP Rack Mount and Handle Kit 5063 9219 Opt 1CN Handle Kit 5063 9226 Opt 1CM Rack Mount Kit 5063 9212 Opt 1CR Rack Slide Kit 1494 0059 Opt UFH 1 MB SRAM Memory Card 0950 3380 Opt1BP MIL Std 45662A Calibration with Test Data Opt UK6 Commercial cal certificate with Test Data Agilent 15104A Pulse Adder Splitter 12 Agilent 81130A 400 660 MHz Pulse Data Generator Mainframe Output modules Agilent 81131A 400 MHz 3 8 V Agilent 81132A 660 MHz 2 4 V Note Only add together output mod ules of the same module number A combination of the Agilent 81131A and Agilent 81132A in one Agilent 81130A is not possible Quick Start Guide language options Opt ABF French Guide 81130 91210 Opt ABJ Japanese Guide 81130 91510 Opt ABO Taiwan Chinese Guide 81130 91610 Opt AB1 Korean Guide 81130 91710 Opt AB2 Chinese Guide 81130 91810 Additional documentation options OptOBW Service Manual 81130 91021 81130 91031 Service Documentation C
6. Agilent 81131A 170 kHz 1 kHz to 400 MHz Agilent 81130A Agilent 81132A 170 kHz 1 kHz to 660 MHz Frequency resolution 4 digits 2 ps best Period range 2 5 ns to 5 9 us f lt 170 kHz 2 5 ns to 1 0 1 50 ns to 5 9 us f lt 170 kHz 1 5 ns to 1 0 Accuracy 100 ppm RMS jitter int ref int clk 0 001 5 ps Width range 1 25 ns to period 750 ps to period 750 Width resolution 4 digits 2 ps best f lt 170 kHz 0 05 of Width acccuracy 100 ppm f lt 170 kHz 0 06 of 100 ppm 200 f lt 170 kHz 0 06 of Width Jitter 0 001 15 ps Add variable delay range 0 to 3 00 us independent of f lt 333 4 kHz Ons Delay resolution 4 digits 2 ps best f lt 170 kHz 0 05 of Delay accuracy 0 01 100 ps relative to the zero f lt 170 kHz 0 035 of Delay Jitter Fixed delay clk in to out ext in to out 0 001 15 ps 53 ns 54 0 to 1 period Transition time range 10 90 800 ps or 1600 ps fixed is ar lt 600 ps for Vpp lt 1V Minimum transition 10 90 lt 900 ps for Vpp lt 1V 500 ps typ at ECL levels 20 80 450 ps typ lt 350 ps 200 ps Deskew 25 ns Note 1 the uncertainty of 1 period can be eliminated if an external clock and the following setup and hold times are upheld setup time 0 3 ns to 4 3 ns hold time 2 8 ns to 4 0 ns Burst Coun
7. be added analog or EXOR depending on model i if Agilent Technologies Glitch free timing changes Now you can sweep your timing values without the danger of spurious pulses or dropouts that could cause measurement errors Applies to continuous mode values lt 100 ms consecutive values between 0 5 and twice the previous value on the 81101A 81104A 81110A Reliable measurements All models provide clean accurate pulses with excellent repeatability thus contributing to measurement integrity The Agilent 81110A features self calibration for more accuracy It also offers a choice of output modules the Agilent 81111A 165 MHz 10 V module with variable transitions and the Agilent 81112A 330 MHz 3 8 V module which has differential outputs and two selectable transition times The Agilent 81130A offers a choice of output modules the Agilent 81131A 400 MHz 3 8 V module and the Agilent 81132A 660 MHz 2 5 V module which has complementary outputs Easy to use Features such as the clear graphical display autoset help store recall preset TTL ECL levels selectable units such as current voltage width duty cycle and load compensation ensure a high level of convenience Smooth integration into automated test systems The Agilent 81100A family can be integrated easily into all phases of test system development Test programs are 100 upwardly compatible from the Agilent 81101A to the 81104A and from the 811
8. ns 2 us lus 20 us 10 us 200 us 100 us 2 ms 1 ms 20 ms 10 ms 200 ms Level Pulse Performance Characteristics Level specifications are valid after a 30 ns typical settling time Amplitude 50Q into 50Q 1 kQ into 50 Q Level window 50 Q into 50 Q 1 kQ into 50 Q Accuracy 50 Q into 50 Q 1 kQ into 50 Q Resolution 50 Q into 50 Q 1 kQ into 50 Q Output connectors Source Impedance Accuracy Max external voltage Short circuit current Base line noise Overshoot preshoot ringing Note 1 In 19 V level window Trigger Modes Continuous Continuous pulses double pulses or bursts single or double pulses External triggered Each active input transition rising falling or both generates a single or double pulse or burst External gated The active input level high or low enables pulses double pulses or bursts The last single double pulse or burst is always completed External width The pulse shape can be recovered whilst period and width of an external input signal are maintained Levels and transitions can be set Agilent 81101A 100 mVpp to 10 0 Vpp 200 mVpp to 20 0 Vpp 10 0 V to 10 0 V 20 0 V to 20 0 V 3 75 mV 3 150 my Hl 10 mV 20 mV BNC single ended Selectable 50 Q or 1 kQ Typ 1 24V 400 mA max 10 mV RMS typ 5 of amplitude 20 mV Manual Simulates an external input signal Internal triggered Internal PLL replaces an external trigger source
9. 04A to the 81110A ensuring that growth with future needs is as easy as just exchanging the instruments physically This results in low integration costs in addition to low costs of ownership through proven hardware reliability Emulate the device s environment Today s devices can require very complex stimuli To meet this the Agilent 81130A can sequence and loop its memory for very deep patterns RZ return to zero NRZ non return to zero and R1 return to one formats are available Digital channel addition allows the generation of signals with two different pulse widths and delays or of data rates up to 1 32 Gbit s in one single channel Frequency range The Agilent 81130A is designed and recommended for an operation in the frequency range of 170 kHz to 400 660 MHz However it can be operated in the extended range down to 1 kHz Agilent 81100 Family of Pulse Pattern Generators Mainframes 81101A 81104A 81110A 81130A Channel n a 81105A 81111A 81112A 81131A 81132A Model Nr of 1 lor2 lor2 lor2 single single channels ended ended single differential differential ended Frequency ImHz ImHz ImHz 1mHz 1kHz 1kHz 50MHz 80MHz 165MHz 330MHz 400MHz 660MHz range Period range 20 ns to 12 5 ns to 6 06 ns to 3 03 ns to 2 5 ns to 1 1 5 ns to 999 5 s 999 5 s 999 5 8 999 58 ms 1 ms Variable 0 00 ns 0 00 ns to 0 00 ns to 999
10. 80 1215E Agilent Technologies
11. Agilent Technologies 81100 Family Pulse Pattern Generator Technical Specifications Introduction to the 81100 Family All members have the same programming user interfaces which are compatible with the well established Agilent 8110A Migration is therefore easy and cost effective Signals for testing digital designs and components The Agilent 81101A 81104A 81110A and 81130A generate all the standard pulses and digital patterns needed to test current logic technologies CMOS TTL LVDS ECL etc With the optional second channel on all of the models from 80 MHz multi level and multi timing signals can be obtained using the internal channel addition feature Variable pulse parameters in pattern mode as well as in pulse mode not on the 81130A Synchronously triggerable Simulation of reflections distortions 81104A 81110A Three four level codes 81104A 81110A Flexible pulses or patterns for digital designs Key Features Common operation with the easy to use 8110A type graphical user interface Common programming All 81100 models and the 8110A use the same GP IB SCPI commands 100 form fit compatibility User retrofittable channels for most models Upward compatibility Individual solutions for frequencies up to 50 80 165 330 400 and 660 MHz Pattern mode on all models from 80 MHz Include pseudo random binary sequence The outputs of dual channel instruments can
12. ed Warranty three years standard 11 Ordering Information 81100 Family The minimum configuration for a working instrument consists of a mainframe and one output module The second output module can be added later Output modules can be exchanged and retrofitted by the user The English Quick Start Guide 811xx 91010 and Reference Guide 811xx 91011 is supplied with each mainframe for all configurations A memory card is not included Each Agilent 81101A includes just one output channel in comparison to the other models of the Agilent 81100 family The output module of the 81101A does not need to be ordered separately Agilent 81101A 50 MHz one channel Pulse Generator 10V Quick Start Guide language options Opt ABF French Guide 81101 91210 Opt ABJ Japanese Guide 81101 91510 Opt ABO Taiwan Chinese Guide 81101 91610 Opt AB1 Korean Guide 81101 91710 Opt AB2 Chinese Guide 81101 91810 Additional documentation options OptOBW Service Manual 81101 91021 81101 91031 Service Documentation Component Level All options are orderable with the mainframes Accessories Agilent 81104A 80 MHz Pulse Pattern Generator Mainframe Output module Agilent 81105A 80 MHz 10 V Agilent 81110A 330 165 MHz Pulse Pattern Generator Mainframe Output modules Agilent 81111A 165 MHz 10 V Agilent 81112A 330 MHz 3 8 V Note Only add together output mod ules of the same module number A combination of the Agilent
13. elays connect disconnect out put HiZ Sequencing A sequence is a succession of segments One outer loop running once or continuous and one nested loop can be applied The nested loop can be set from 1 to 2 20 repetitions Segment The memory can be divided into maximal 4 segments Segment length resolution This is the resolution for which the segment can be set dependent on the maximum data rate see table 1 Limit Programmable high and low levels can be limited to protect the device under test Segment types Pattern PRBS high and low segments 0 or 1 levels segments selectable Note If one channel is set to PRBS the other channel can only be high or low segments or PRBS type Random Pattern PRBS 2 n 1 n 7 8 15 CCITT 0 151 Required Maximum Width is a multiple of clock periods Segment length data rate l resolution 1 Mbit s The signal can be delayed as required 1 bit 4 1 67 Width and delay can be set as required 2 bits 83 8 8 4 bits 166 67 Width and delay can be set as required 8 bits 333 3 3 16 bits 660 Figure 1 Pattern Formats Table 1 Segment length resolution trade offs 1 The minimum length in the first segment of a nested loop is two times that of the segment length resolution Digital Channel Addition Channel 1 can be logically combined with channel 2 XOR as shown in Figure 2 The source impedance remains 50 Q Output 1 is still available in
14. erprogramming all parameters can be overprogrammed exceeding specifications to fully exploit the hardware limits Setting check warning messages indicate potentially conflicting parameters due to inaccuracy Error messages indicate conflicting parameters Help key displays a context sensitive message Autoset key resolves all timing con flicts Non volatile memory current setting is saved on power down Up to nine user settings and one fixed default setting can be stored in the instrument Memory card 99 settings can be stored on a 1 MB PCMCIA card MS DOS Remote Control Operates according to IEEE standard 488 2 1987 and SCPI 1992 0 Function Code SH1 AH1 T6 L4 SR1 RL1 PPO DC1 DT1 CO ASCII command Typ exec time One parameter armide 30 ms typ Recall setting 250 ms typ 16 k pattern transfer 600 ms typ Programming times all checks and display off General Operating temperature 0 C to 55 C Storage temperature 40 C to 70 C Humidity 95 r h up to 40 C ambient temperature EMC conforms to EN50082 1 EN 55011 Class A Noise emission 5 7 bel typical Battery Lithium CR2477 N Safety IEC1010 CSA1010 Power requirements 100 240 Vac 10 50 60 Hz 100 120 Vac 10 400 Hz Power consumption 300 VA max Max dimensions H W D 89 mm 426 mm 521 mm Weight 9 2 kg net 13 8 kg shipping Recalibration period one year recommend
15. f output module in external width mode Strobe output and trigger output Strobe output user defined 16 kbit pattern NRZ when in pattern mode Trigger format one pulse per period with 50 duty cycle typical External mode 1 5 ns typ for Agilent 81110A 5 9 ns typ for Agilent 81104A Level TTL or ECL selectable Output impedance 50 Q typical Max external voltage 2 V 7 V Transition times 1 0 ns typical for TTL 600 ps typical for ECL Typical delay Agilent 81110A with Agilent 81111A output module Instrument mode From To Typ value STROBE TRIGGER OUT 8 5 ns External width EXT INPUT OUTPUT 1 0UTPUT 2 19 5 ns STROBE TRIGGER OUT 12 0 ns All other modes EXT NPUTICLK INPUT gutpuT 1 0UTPUT2 26 0 ns STROBE TRIGGER OUT OUTPUT 1 OUTPUT 2 14 0 ns Note 1 Subtract 4 ns from the typ delay value when referring to OUTPUT 1 2 for the Agilent 81112A output module and add1 ns when referring to OUTPUT 1 2 for the Agilent 81104A with the Agilent 81105A output module 81130A Specifications Timing Characteristics Measured at 50 amplitude at fastest transitions in continuous mode and 50 source impedance The Agilent 81130A is designed and recommended for an operation in the frequency range of 170 kHz to 400 660 MHz However it can be operated in the extended range down to 1 kHz Changes in specifications below 170 kHz are marked Mainframe Output module Frequency range Agilent 81130A
16. l input Used for external started or gated Input frequency DC to 330MHz Delay from external input to trigger output 22ns 0 to 1 period Delay from external input to output 54 ns 0 to 1 period Threshold 1 4 V to 3 7 V Trigger output Trigger format One pulse per period with 50 duty cycle typical In pattern mode the trigger pulse can be set to mark the start of any segment Output impedance 50 Q typical Level TTL ETTL for frequency lt 180 MHz 1 V to GND ECL 50 Q to GND 2 V PECL 50 to 3 V Max external voltage 2 V 3 V Transition times 1 0 ns typical for TTL 600 ps typical for ECL Delay from external input to trigger output 32 ns typical Programming times measured at display off ASCII Command Width dalay transition times Typical execution time 40 ms to 70 ms Period within one range 1 100 ms to 260 ms Period between different ranges 1 In pulse burst mode in pattern mode 140 ms to 300 ms 100 ms to 5 05 s Levels 43 ms Trigger modes lt 75 ms Input parameters 28 ms Save setting 200 ms Recall setting a in pulse burst mode b in pattern mode with data and PRBS depends on setting 515 ms to 800 ms 1 15 s to 5 5 s 65504 bit pattern transfer 1 25 s Pattern and sequencing depends on setting 190 ms to 5 1 s 1 Range depends on segment length resolution see table 1 Common Specifications User Interface Ov
17. le without any output glitches or dropouts Overprogramming all parameters of the Agilent 81110A except transitions can be set to whatever the 330 MHz timing system will allow This applies also when the Agilent 81111A 165 MHz output module is used Level Pulse Performance Characteristics Level specifications are valid after a 5 ns Agilent 81112A or 30 ns Agilent 81111A Agilent 81105A typical settling time Mainframe Agilent 81104A Agilent 81110A Agilent 81110A Output module Agilent 81105A Agilent 81111A Agilent 81112A Amplitude 50 Q into 50 Q 100 mVpp to 10 0 Vpp 100 mVpp to 3 8 Vpp 1 KQ into 50 Q 200 mVpp to 20 0 Vpp NIA Level window 50 Qinto50Q 10 0 V to 10 0 V 2 0 V to 3 8 V 1 KQ into 50 Q 20 0 V to 20 0 V NIA Accuracy 50 Q into 50Q 3 75 mV 1 50 mV 2 50 mV 1 KQinto 50Q 5 150 mv 1 100 my NIA Resolution 50 Qinto50Q 10 mV 10 mV 1 KQ into 50Q 20 mV NIA Output connectors BNC single ended BNC differential Source Impedance Selectable 50 Q or 1 KQ 50 Q only Accuracy Typ 1 Max external voltage 24V 2 2V to 5 5V bons 400 mA max Short circuit current doubles for channel addition 84 mA to 152 mA Dynamic Crosstallk lt 0 1 typ Baseline noise 10 mV RMS typ 4 mV RMS typ Overshoot preshoot ringing 5 of amplitude 20 mV 5 of amplitude 50 mV Note 1 In 19 V level window Level parameters
18. omponent Level Related Agilent Literature Agilent Family of Pulse Pattern Generators brochure p n 5980 0489E For more information please visit us www agilent com find pulse_generator Agilent Technologies Test and Measurement Support Services and Assistance Agilent Technologies aims to maximize the value you receive while minimizing your risk and prob lems We strive to ensure that you get the test and measurement capabilities you paid for and obtain the support you need Our extensive sup port resources and services can help you choose the right Agilent products for your applications and apply them successfully Every instrument and system we sell has a global warranty Support is available for at least five years beyond the production life of the product Two concepts underlay Agilent s overall support policy Our Promise and Your Advantage Our Promise Our Promise means your Agilent test and mea surement equipment will meet its advertised per formance and functionality When you are choos ing new equipment we will help you with product information including realistic performance spec ifications and practical recommendations from experienced test engineers When you use Agilent equipment we can verify that it works properly help with product operation and provide basic measurement assistance for the use of specified capabilities at no extra cost upon request Many self help tools are available You
19. pedance 50 Q typical Max external voltage 2 V 7 V Transition times 1 0 ns typical for TTL 600 ps typical for ECL 81104A and 81110A Specifications Timing Characteristics Measured at 50 amplitude at fastest transitions in continuous mode and 50 source impedance Agilent 81110A Agilent 81111A Mainframe Output module Agilent 81104A Agilent 81105A 1 mHz to 80 MHz Up to 50 MHz typ 3 5 digits 5 ps best case Agilent 81110A Agilent 81112A 1 mHz to 330 MHz NIA Frequency range 1 mHz to 165 MHz from 1 KQ H Up to 60 MHz typ Timing resolution RMS jitter period width delay With PLL With vco 0 001 15 ps 0 01 15 ps 12 5 ns to 999 5 s 0 01 5 6 25 ns to period 6 25 ns 5 250 ps 0 ns to period 12 5 ns 5 0 5 ns 6 06 ns to 999 5 s 3 03 ns to 999 5 s 0 01 0 5 typ after self cal 3 without self cal 2 3 03 ns to period 3 03 ns 1 515 ns to period 1 515 ns 0 5 250 ps typ 3 250 ps 0 ns to period 3 03 ns 0 5 0 5 ns typ 3 0 5 ns Period range Accuracy with PLL Width range Accuracy Add variable delay range Accuracy Double pulse del 12 5 ns to 6 06 ns to 3 03 ns to ins aarti Lenge period width 6 25 ns period width 3 03 ns period width 1 5 ns Min period 25 ns 40 MHz typ 12 2 ns 82 MHz typ 6 06 ns 165 MHz typ Accuracy 5 250 ps 0 5 150
20. ps typ 3 150 ps Transition time range 10 90 3 ns to 200 ms variable 2 ns to 200 ms variable 0 8 ns or 1 6 ns selectable Minimum lt 3ns lt 2 ns 1 4 ns typ for lt 600 ps for Vpp lt 1V with overprogramming ECL levels 20 80 450 ps typ For 5 ns typ for 1 KQ source imped ECL levels 20 80 lt 900 ps for Vpp gt 1V Accuracy 10 200 ps Linearity 3 typ for transitions gt 100 ns NIA Notes lf Source i imp edance is select tabl 2 If the star Fable oscillator VC 3 After self calibration i Without self calibration 5 0 ns to period 17 6 ns in ext width mode 6 Changing of amplitude may add 0 5 ns OF i is used PLL Burst Count 2 to 65536 single or dou ble pulses Delay delay phase or of period Double pulse and delay mutually exclusive Duty cycle set between 0 1 and 95 subject to width limits 99 9 with overprogramming Repeatability is typ four times better than accuracy not active Transition times leading trailing edge or of width Leading and trailing edges are independent Agilent 81111A Agilent 81105A within one of the following overlapping segments 1 20 ratio 2 ns 3 ns 20 ns 10 ns 200 ns 100 ns 2 ms lus 20 us 10 us 200 us 100 us 2 ms 1 ms 20 ms 10 ms 200 ms from 50 or 1 KQ for the Agilent 81105A and Agilent 81111A Output timing fidelity period delay and width are continuously variab
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22. t 2 to 65504 Delay delay phase or of period Duty cycle set between 0 1 and 99 9 subject to width limits Repeatability is typ four times better than accuracy Level Pulse Performance Characteristics Level specifications are valid after a 30 ns typical settling time 50 Q into 50 Q terminated to ground Mainframe Output module Amplitude 81130A 81131A 400 MHz 0 10 Vpp to 3 80 Vpp 81130A 81132 A 660 MHz 0 10 Vpp to 2 50 Vpp Level Window 2 00 V to 3 80 V 2 00 V to 3 00 V Accuracy 2 50 mV 5 50 mV Resolution 3 digits 10 mV best case Output Impedance 50 Q 1 typ 50 Q 5 typ Max external voltage 2 2 to 5 5V 2 0 to 4 0 V Short circuit current 80 mA to 152 mA 80 mA to 120 mA Baseline noise 4 mV RMS typ 8 mV RMS typ Overshoot preshoot ringing 5 50 mV of amplitude typ 5 100 mV of amplitude typ Level parameters Voltage or current high and low level or offset and amplitude Pattern and Sequencing Pattern length 65504 bit channel If PRBS is used 65503 PRBLength Pattern formats NRZ non return to zero DNRZ delayed non return to zero RZ return to zero and R1 return to one can be selected see figure 1 Output pattern formats Non return to zero Delayed Non Return to Zero Return to Zero Return To One lt gt 1 bit period On off R
23. this case Channel 1 Delay Data E ea o Channel 1 Channel 2 Delay Data width vw Channel 1 a has i Channel 1 Channel 2 Channel 2 Channel 1 7 Channel 2 Vamal Figure 2 Channel addition Trigger Modes Continuous Continuous pulses bursts or patterns External started Each active input transition rising falling edge generates pulses bursts or patterns External gated The active input level high or low enables pulses bursts or patterns On an external gate signal the output is immediately stopped that means the last cycle will not be completed Manual Simulates an external input signal with push of a front panel button 10 Inputs and Outputs Clock input PLL reference and external input Connectors SMA f 3 5 mm Input impedance 50 Q Termination voltage 2 10 V to 3 30 V Input sensitivity lt 400 mV typ Max Input Voltage 3 V to 6 V Input transitions lt 20 ns Only valid for clock input PLL reference One input is used for clock input or for the PLL reference alternatively Reference The internal PLL is locked to the 1 2 5 or 10 MHz External clock The output period is determined by the signal at clock input Clock Input frequency 170 kHz to 660 MHz at 50 10 duty cycle Delay from input trigger output 21ns Delay from input to output 53ns Threshold ac coupled Only valid for external input Externa
24. voltage or current high or low level offset or amplitude On off relays connect disconnect output HiZ Channel Addition with Agilent 81105A or Agilent 81111A output channels Load compensation the actual load value can be entered for loads 50 Q to display actual output values Applies to the Agilent 81105A and Agilent 81111A only Normal complement selectable Limit programmable high and low levels can be limited to protect the device under test If the instrument is equipped with 2 output modules channel 2 can be added to channel 1 internally In this case the second output is disabled The additional fixed delay on the second channel is typ 2 5 ns The following parameters differ from the above specifications if two output modules Agilent 81105A Agilent 81111A are added Mainframe Agilent 81104A with two Agilent 81110A with two Agilent 81105A output modules Agilent 81111A output modules Amplitude 50 Q into 50 Q 100 mVpp to 20 0 Vpp 1 KQ into 500 200 mVpp to 20 0 Vpp Source Impedance Selectable from 50 Q or 1 KQ Level window 50 Q into 50 Q 20 0 V to 20 0 V 1 KQ into 50 Q 20 0 V to 20 0 V Max frequency 50 Q channel 60 MHz typ 1 KQ channel 15 MHz typ Min transitions 50 Q channel 2 ns typ channel one 5 ns typ channel two 1 KQ channel 20 ns typ both channels Pattern Mode Pattern length 16 kbit channel and strobe output Output format RZ return to zero NRZ
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