UDC - DBM Corp
Contents
1. Operation Complete Query The Operation Complete query places an ASCII character 1 one into the UDC s Output Queue when all operations are finished WAI Wait to Continue Command The Wait to Continue command has no functional affect on the UDC since the UDC implements all commands sequentially No commands are overlapped that is one command must finish before the next command is executed CLS Clear Status Command UDC Operations Manual ES N Frequency Converter Series DM The Clear Status command clears status data structures The Clear Status command clears all bits in the Standard Event Status Register and its summary ESB bit in the Status Register It does not necessarily clear all bits in the Status Byte Register For example the MAV bit may not be cleared by the CLS command ESE Standard Event Status Enable Command The Standard Event Status Enable command sets the Standard Event Status Enable ESE Register bits The ESE is involved in the setting and clearing of the Event Summary Bit ESB of the Status Byte Register The ESB is the inclusive OR of the bitwise combination of the Standard Event Status Register ESR and the ESE Register ESB is defined as ESR bit 0 AND ESE Register bit 0 OR ESR bit 1 AND ESE Register bit 1 OR ESR bit 2 AND ESE Register bit 2 OR ESR bit 3 AND ESE Register bit 3 OR ESR bit 4 AND ESE Register bit 4 OR ESR bit 5 AND ESE Register bit 5 OR ES2. EU OIC TCL HS RE an a a 45 WARRANTY INFORMATIONS ed el bee es ce ni ea ie nice 45 UDC EN Operations Manual Frequency Converter Series Preface This manual contains operation instructions and reference information for the dBm UDC The UDC consists of combinations of down converter channels up converter channels and programmable synthesizers housed in a 3U chassis This manual is prepared as a reference source for engineers and technicians to use the UDC as part of their Development and or Production test effort The UDC operations manual is divided into the following sections e Section 1 Introduction shows the UDC equipment control and connector locations and describes connector functions e Section 2 Local Operation shows how to operate the UDC from the front panel e Section 3 Remote Operation shows how to operate the UDC through the IEEE 488 connection e Appendix A Installation and Troubleshooting describes installation procedures and and verification testing e Appendix B Specifications Provides technical specifications e Appendix C Maintenance and Warranty describes the UDC warranty and directs how to return the UDC for repair or calibration UDC Operations Manual Ea Frequency Converter Series Conventions Used in This Manual Text Conventions This manual uses the following text conventions e J talic text indicates new terms directories and or filenames e Bold Text indic
3. 31 designating the IEEE address e Press Enter to enter the new address or press Clear to abort To set the LAN address e Press Addr The utility menu appears Press 2 to invoke the LAN address menu e A cursor will appear next to the current IP address indicating it can be edited Enter the new IP address Press Enter when finished or Clear to retum without modifying the value e At the LAN address menu press Press Enter if necessary to move the cursor next to the submask Enter the new submask Press Enter when finished or Clear to return without modifying the value UDC Operations Manual DM Frequency Converter Series e Press Clear to return to the main display Main display There are 4 parameters displayed 5 parameters if the attenuation option is installed When the data field to be edited 1s selected and a numeric value typed the data entry is validated when the Enter key is pressed RF Frequency Units MHZ Default value Model dependent Range Model dependent Resolution Model dependent IF Frequency Units MHZ Default value Model dependent Attenuation optional Units dB Default 0 dB Range 0 up to 95 dB Resolution 1dB Channel Units none Default value i Range 1 to 8 Converters Units none Range any combination of 1 to 8 Channel indicates which synthesizer is currently being controlled Converters indicates which converters are associated with the current synth
4. Front rear and interior views Power and cable connections Startup and shutdown procedures UDC Operations Manual Ea Frequency Converter Series GENERAL INFORMATION Overview The UDC is housed in a 3U rack mount chassis The center frequency can be programmed via the IEEE 488 bus or via a LAN Front panel connections on the RF converter chassis Figure 1 UDC RF Converter Front Panel View UDC m Operations Manual Frequency Converter Series Connector Description CH 1 RF I P Ist downconverter RF input CH 1 IF O P Ist downconverter 70 MHz or 140MHZ IF output model dependent CH 2 IF I P Ist upconverter 70 MHz or 140MHz IF input model dependent CH 2 RF O P Ist upconverter RF output CH 3 RF I P 2nd downconverter RF input CH 3 IF O P 2nd downconverter 70 MHz or 140MHz IF output model dependent CH 4 IF I P 2nd upconverter 70 MHz or 140MHZz IF input model dependent CH 4 RF O P 2nd upconverter RF output Table 1 RF Connectors on the front panel of the UDC Rear panel connections on the RF converter chassis On Off Power Switch IEEE Port LAN Port 4 w TENE MEME 4 INPUT gt 1 E gt f p utm Lic P AC Power Input WEE ane Figure 2 UDC RF Converter Rear Panel View UDC Operations Manual E Nu Frequency Converter Series DM Start and Shutdown Procedures Starting the UDC l Press the Line on of
5. is the inclusive OR of the bitwise combination excluding bit 6 of the Status Byte SB Register and the SRE Register UDC Operations Manual Ea Frequency Converter Series MSS 1s defined as SB Register bit 0 AND SRE Register bit 0 SB Wn bit 1 AND SRE Register bit 1 SB We bit 2 AND SRE Register bit 2 SB Ec bit 3 AND SRE Register bit 3 SB Nd bit 4 AND SRE Register bit 4 SB Nd bit 5 AND SRE Register bit 5 SB Nol bit 7 AND SRE Register bit 7 SRE Service Request Enable Query The Standard Event Status Enable query lets the programmer determine the contents of the Service Request Enable Enable Register This register 1s set to 16 decimal at power on STB Read Status Byte Query The Read Status Byte query lets the programmer read the status byte Bit Description 0 2 NO il MAV ESB MSS BEE Status Byte Register Bit Assignments SIUn LAN Operation Overview The UDC can be controlled remotely using its LAN interface The instrument can be connected to any IEEE 802 network It uses TCP IP and achieves transfer rates up to approximately 5 Mbps UDC E Operations Manual DM Frequency Converter Series Programming control of the UDC can be implemented by two means 1 Using the UDC Client Application provided by dBm with the instrument or 2 by via an application capable of sending commands over IP The UDC Client Application provides a simple user i
6. 0 dBm maximum CW sine Conversion gain 0 dB 1 0 dB Output Power 10 dBm nominal Spectral inversion No Spurious out of band 47 dBc input power 10 dBm typ 50dBc In band non harmonic 48 dBc typ 50dBc harmonic 30 dBc typ 50dBc Noise figure 32 dB Amplitude Flatness 0 4 dBpp 45 MHz Phase linearity 2 degrees 10 MHz Gain variation as a function lt 0 5dB Of tuning frequency VSWR 1 5 1 maximum into 50 ohms UU Minimum Step size Gain variation as a function lt 0 5dB of tuning frequency In band Spurious 47 dBc input 10 dBm typ 50dBc OO O O UDC EN Operations Manual Frequency Converter Series Input Output Connectors type N Frequency control IEEE 488 2 and 10 100 TCP IP Primary Power Voltage 90 264 VAC auto ranging Frequency 48 66 Hz Consumption 1 0A maximum Ambient operating temperature 10 C to 40 C Up Down Converter 525 H x 19 W x 21 D inches UDC Operations Manual FE Frequency Converter Series UDC EN Operations Manual DM Frequency Converter Series H Maintenance and Warranty Section Maintenance and Warranty This section describes the UDC maintenance procedures and warranty information Maintenance Information Warranty Information UDC Operations Manual ES Nu Frequency Converter Series DM Maintenance Information Adjustments and Calibration To maintain opti
7. 4 15 16 17 18 Apply a CW RF signal with a power level of 10 0 dBm to the upconverter RF input connector on the front panel of the UDC Set the source to the 70 MHz or 140 MHz model dependent Using the appropriate slidebar or textbox on the client set the controlling synthesizer channel to the lowest frequency Connect a spectrum analyzer to the upconverter RF output connector and measure the signal It should be approximately 10 dBm at the desired L band center frequency Increment the UDC frequency by 1 MHz Verify that the signal measured by the spectrum analyzer is still approximately 10 dBm at the desired L band frequency Set the UDC frequency to the upper limit Verify that the signal measured by the spectrum analyzer is still approximately 10 dBm at the desired L band frequency Repeat the procedure for each installed upconverter The channel number refers to the synthesizer channel and not necessarily the RF converter channel number For example Channel I synthesizer may control multiple converter channels UDC ER Operations Manual Frequency Converter Series Specifications Section Specifications This section describles the UDC specifications UDC Operations Manual E N Frequency Converter Series DM Specifications Down converter Input frequency range model dependent Minimum Step size 1 MHz Output frequency 70 MHz or 140 MHz Input Power 1
8. Dre an eua lad estate ce tante 29 Installing the UDC Remote Client on a PC 29 So DD TD UU UE ODA ee eee 29 Soup MT 30 DESCRIPTION OF THE UDC REMOTE CLIENT APPLICATION PROGRAM ss 30 87 Ae OLS OEI A TAE A N O a ED eT ENDEN nee ere Tee 31 Controlline he UDC wilh The CHENE berne EEE EEr EAE EEEE Oa OEE AAEE seb 32 INSTALLATION AND TROUBLESHOOTING ssssss000000000000000000000000000000000000000000000000000000000000 33 sS BP Vu T T 34 BITS YE 1122 01 D amp PONEREENEENERUR N EEREENEENURENEESERE EN EUERUEUCHEEREENNERNIEUERDEU ESERCROFNEEEUEN EAEETENIEUERPEULESERTESEHEERER 34 TOUT EIS T2194 918 BER ERE 34 TOTO DORE te EE 35 SYSTENEVERIEIC A ION esse C A 35 Verify Downconverter Operation using GPIB Control 35 Verify Upconverter Operation using GPIB Control 36 Veri Operation using LAN CONT OL i aci iss ec ptc u a 37 Verify Upconverter Operation using GPIB Control 38 SPECIFICATIONS USD a ese ec ema eee ee eee ee ee 39 UDC Operations Manual Frequency Converter Series SPECIEICATEIU S ee E 40 MAINTENANCE AND WARRANTY 22 ccccccccccccssccccccccccccccccccsccccccccccccccccccsccccccccecccccccccsccsccesees 43 MAINTENANCE INFORMATION see nee bSe E o eee os tee onde 44 AUS IMMO ond Cal Dra OI esiisa ne eee ee 44 12 7 44
9. FREQUENCY CONVERTER SERIES UDC MODEL Q M N Z Q C 5 RF Test Equipment for Wireless Communications Frequency Converter Series Confidentially This manual contains proprietary information of dBm LLC It is provided under confidential custody for the sole purpose of specification installation maintenance and operation of dBm test system instruments and equipment and may not be used or disclosed to any person for any other purpose whatsoever No portion of this manual or the information it contains may be reproduced used or disclosed to individuals not having a need to know con sistent with its intended purpose without the written permission of dBm LLC Copyright This manual is copyright by dBm LLC and all rights are reserved No portion of this document may be repro duced copied transmitted transcribed stored is a retrieval system or translated in any form or by any means electronic mechnical magnetic optical chemical manual or otherwise without written permission of dBm LLC Disclaimer dBm LLC makes no representation or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability for any particular purpose dBm LLC reserves the right to revise this publication and to make changes from time to time in the content thereof without obligation of dBm LLC to notify any person of such revision or change 2008 dBm LLC All rights r
10. Fr RF FREQUENCY CONVERTER Channel 1 Frequency 0 000000 Initial Frequency 0 000000 IP Address Connect 192 168 1 103 Y Auen Remote Status Disconnected Heset User Label Channel 2 Frequency 0 000000 0 MHz 4 Initial Frequency 0 000000 User Label 0 MHz Fr User Label OMHz KH User Label O0 MHz aj Channel 3 Frequency 0 000000 Initial Frequency 0 000000 Channel 5 Frequency 0 000000 Initial Frequency 0 000000 Channel 7 Frequency 0 000000 Initial Frequency 0 000000 User Label Channel 4 0 MHz Frequency 0 000000 Fr Initial Frequency 0 000000 User Label Channel 6 Frequenc 0 000000 0 MHz nn ai Initial Frequency 0 000000 User Label Channel 8 Frequenc 0 000000 0 MHz iiid a Initial Frequency 0 000000 UDC Control Window In the Client main window set the IP address to match the UDC IP address the factory default setting is 192 168 1 103 Press Connect When the link 1s established the same button will indicate Disconnect and the status window labeled Remote Status will also indicate Connected The client will poll the UDC and display the model number serial number and firmware version at the top of the window Configure the Client Each channel has a user defined label associated with the current IP address These labels are stored with the application To set the labels pres
11. M Frequency Converter Series e Xrepresents numeric values from 0 to 9 e The above commands except CHX ADDR and commands beginning with a must be preceded by CHX to indicate which channel is applicable Once the channel has been designated all subsequent commands will relate to that channel The CHX command is not necessary for single channel instruments e Spaces within the command are ignored Query REITSE Default units command Frequency value MHz CH Channel number CAT Attenuation value e ADDR GPIB address LAN ADDR LAN IP address Figure 5 Other GPIB Query Commands Setting the IEEE Address of the Instrument The factory default address for the UDC is four 4 To change the UDC IEEE address send the following command ADDR xx Where xx the new address value between 1 and 30 IEEE 488 2 Status Reporting and Queries The UDC supports IEEE 488 2 status reporting Status is reported using an 8 bit Status Byte and an 8 bit Standard Event Status Register Status Register Bit Assignments UDC Operations Manual Ea N Frequency Converter Series DM Bit Description 0 not used 1 not used 2 not used 3 not used 4 MAV 5 ESB 6 MSS 7 not used Event Status Register Bit Assignments Bit Description 0 Operation Complete 1 Request Control 2 Query Error 3 Device Dependent Error 4 Execution Error 5 Command Error 6 User Request 7 Power On The Device Dependent Error
12. R bit 6 AND ESE Register bit 6 OR ESR bit 7 AND ESE Register bit 7 ESE Standard Event Status Enable Query The Standard Event Status Enable query lets the programmer determine the contents of the Standard Event Status Enable Register ESR Standard Event Status Register Query The Standard Event Status Register query lets the programmer determine the contents of the Standard Event Status Register The UDC ES Operations Manual DM Frequency Converter Series Standard Event Status Register 1s destructively read that is it 1s read and cleared with the ESR query Event Status Register Bit Assignments 0 Operation Complete 6 User Request Bit assignments in parentheses are bits that have been assigned by the IEEE 488 2 standard but may not be currently used by the UDC Operation Complete Bit set upon execution of the OPC command Device Dependent Error Bit set when any of the following errors occur e Requested frequency out of range Command Error Bit set whenever an unknown command or query is received SRE Service Request Enable Command The Service Request Enable command sets the Service Request Enable SRE Register bits The SRE is involved in the setting and clearing of the Master Summary Status MSS bit of the Status Byte Register The MSS bit indicates that the UDC has at least one reason for requesting service The MSS bit of the Status Byte Register
13. and the pointer is adjacent to the STORE field 2 Press a number from 0 8 designating a register to store the current instrument settings Register 0 defines the power up and RESET state and can be modified by the user 3 Press Enter to overwrite the register All instrument state settings and file names of currently loaded files are saved Note Register 9 is not available to store settings as this always contains the factory defaults To recall a saved instrument setting l Press Recall The utility display appears and the pointer appears adjacent to the RECALL field UDC Operations Manual E Nu Frequency Converter Series DM 2 Press a number from 0 9 designating a register to recall instrument settings Register 9 cannot be modified and contains factory defaults 3 Press Enter to set the instrument state To set the instrument to local or remote LAN control During remote LAN operation all keys except Local are disabled Pressing Local brings the instrument back to the local mode and activates the front panel keys Remote mode is activated upon the receipt of a remote command via either GPIB or LAN To preset the instrument settings e Pressing Preset causes the instrument to return to the default state which is defined by the contents of register zero 0 To set the IEEE 488 address e Press Addr The utility menu appears Press 1 to invoke the GPIB address menu e Press a number from 1 to
14. ates UDC selections or key presses e Monospaced text indicates UDC commands entered through remote mode e Bold monospaced text indicates UDC responses through remote mode Symbols The following symbols appear in the manual See also A A This symbol and its see also text is placed next to subject matter in the manual to tell you where to find more information This icon indicates a warning Failure to follow the instructions given here may result in personal injury or damage to the equipment WARNING This icon indicates a tip Text marked this way may be an optional procedure for accomplishing a task or a time saving procedure for advanced or familiar users UDC pe Operations Manual Contacting Ba Mail Telephone Fax E mail Technical Support WWW Frequency Converter Series dBm 32A Spruce Street Oakland NJ 07436 201 677 0008 201 677 9444 Info dbmcorp com http www dbmcorp com We encourage you to contact us 1f you want more information or have any questions or concerns about th s or any other dBm product or manual Use any of the following methods UDC Operations Manual EA Frequency Converter Series UDC EN Operations Manual DM Frequency Converter Series Introduction Section Introduction This section introduces you to the Up Down Frequency converter UDC and describes its features and controls Topics include Functional overview
15. ayed frequency limits for each channel 2 Apply a CW RF signal with a power level of 210 0 dBm to the downconverter RF input connector on the front panel of the UDC Set the source to the lowest valid L band frequency for the UDC 3 Using the appropriate slidebar or textbox on the client set the controlling synthesizer channel to the lowest frequency The channel number refers to the synthesizer channel and not necessarily the RF converter channel number For example Channel I synthesizer may control multiple converter channels 4 Connect a spectrum analyzer to the downconverter RF output connector and measure the signal It should be approximately 10 dBm with a center frequency of 70 MHz or 140MHz model dependent 5 Increment the source frequency by 1 MHz 6 Increment the UDC frequency by 1 MHz on the UDC Client window 7 Verify that the signal measured by the spectrum analyzer is still approximately 10 dBm with a center frequency of 70MHz or 140 MHz 8 Change the source L band frequency to the largest value valid for the UDC 9 Setthe UDC frequency to the upper limit UDC Operations Manual Ea Nu Frequency Converter Series DM 10 11 Verify that the signal measured by the spectrum analyzer is still approximately 10 dBm with a center frequency of 70 MHz or 140MHz Repeat the procedure for each installed downconverter Verify Upconverter Operation using LAN Control 12 13 1
16. bit is set when the programmed frequency is out of range The Command Error bit is set when an unknown command or query is received Mandatory IEEE 488 2 Commands RST Reset Command The Reset command performs a UDC reset It does not affect the state of the IEEE 488 interface nor any Event Enable Register setting including the Standard Event Status Enable Register settings On reset the UDC tunes to its lowest designed center frequency IDN Identification Query The Identification query allows the UDC to identify itself over the system interface The response is composed of four fields Field 1 Manufacturer Field2 Model Field 3 Serial number Field 4 Firmware level Manufacture dBm LLC UDC ES Operations Manual DM Frequency Converter Series Model UDC lt number of channels gt lt min frequency gt lt max frequency gt lt step size gt lt of synthesizers gt Ex UDC 4 950 1450 1 2 Serial number Instrument serial number Firmware level Version number An example response to the IDN query is dBm LLC UDC 4 950 1450 1 2 1206 006 00123 2 016 TST Self Test Query The self test query causes the ASCII character 0 zero to be placed in the Output Queue upon successful completion of a self test OPC Operation Complete Command The Operation Complete command causes the UDC to set the Operation Complete bit of the Standard Event Status Register when all operations are finished OPC
17. eserved All trademarks are the property of their respective holders MAN2000772 Rev 1 2 08 2008 Printed in U S A UDC ES Operations Manual DM Frequency Converter Series TABLE OF CONTENTS Contents A Ol QA DA n 5 INPRODUETION aes sacs MP 9 GENERAL INFORMATION tement nennen 10 ONVERNTE 10 FRONT PANEL CONNECTIONS ON THE RF CONVERTER CHASSIS ccccccesceesceseeeseesceuseesseuceeuceeesenceues 10 REAR PANEL CONNECTIONS ON THE RF CONVERTER CHASSIS ssessesssssceeeeeeeceeeeeeeseeessssssaneneeeees 11 START AND SHUTDOWN PROCEDURES 22 5 0 6 dt de in 12 Y QU MI EBD S 12 SO CE ee ee E 12 INTERNAL MODULES RF CONVERTER CHASSIS cccsssssssssssssssssscccscsssssssssssssesssoees 13 REMOTE COMPNEANDS c un 21 GEIB C OMMANDSINTNN een a E PMID DAD 21 A VOW OO MM E 21 Qoi MEE rm 21 SD aes gems eames ened 22 CONS RS en ee NE ee eT eee 22 CR COMM ee er et ae elle 22 SETTING THE EEE ADDRESS OF THE INSTRUMENT een 23 IEEE 488 2 STATUS REPORTING AND QUERIES eceeeeeeeeeenneeeeee nee eene nenne nnne essen enne enne 23 Mandatory IEEE 488 2 Commands eese eene eene eene nene 24 CAN OPERATION OVERVIEW Pe 28 Setting the LAN IP Address iii het tient ccd Faden pneu edt ou bad n nc let da ea
18. esizer This association is model dependent single synthesizer channel may control from 1 up to 8 frequency converters UDC Operations Manual EN Frequency Converter Series UDC E Operations Manual Frequency Converter Series Remote Operation Section Remote Commands All UDC GPIB commands are compliant with IEEE 488 2 The instrument can function as a talker or a listener but not as a controller The UDC LAN interface uses the same command mnemonics as the GPIB interface GPIB Command Syntax Terminator Codes When sending data to the UDC any of the following terminator codes are valid Send EOI at end of Write Terminate read on EOS Set EOI w EOS on Write 8 bit EOS compare Concatenation Terminator Multiple commands on a single line are separated by the semi colon concatenation terminator Example CHI FREQ xxxx UDC Operations Manual E Frequency Converter Series Spaces The ASCII space character may appear after any command or after the concatenation terminator Case Insensitivity Commands and queries may be sent in upper and or lower case characters GPIB Commands When addressed to listen the UDC responds to the following commands Function Listener Codes SRE Figure 4 GPIB Commands Notes e Mandatory IEEE 488 2 commands begin with an Details about these commands can be found in IEEE Std 488 2 UDC EN Operations Manual D
19. f switch on the rear panel of the RF Up Down converter chassis The standby indicator should light If not lighted make sure the power cable is connected properly Press the power on switch on the front panel The standby LED turns off and the instrument power on 2 Allow power to be applied for a minimum of 30 minutes before using so that the instrument may stabilize Please allow a minimum of 30 minutes warm up from power on before using the UDC Shutting Down the UDC l Press the standby on switch to standby The standby LED illuminates Press the Line on off switch on the rear of the RF Up Down converter chassis if the instrument is not to be used for an extended period UDC EH Operations Manual Frequency Converter Series Internal modules RF converter chassis Converter 1 and converter 2 Frequency Synthesizers Converter 3 and Converter 4 Processor module Power Distribution Fixed LO amp 100MHz Reference Freipuis my d rre Gate Er ccce Cee C LC aC mwa rho Eher E M m Ess Curwerser J Convers i Figure 3 UDC RF Converter Internal modules UDC Operations Manual Era Frequency Converter Series UDC Li Operations Manual Frequency Converter Series Local Operation Section Local Operation Overview The UDC is a laboratory instrument designed to upconvert downconvert or frequency translate a signal with minimal d
20. frequency for the UDC 2 Send the following command over the IEEE bus CH a FREQx where x is the desired L band frequency and a represents the synthesizer channel that is controlling the downconverter The channel number refers to the synthesizer channel and not necessarily the RF converter channel number For example Channel I synthesizer may control multiple converter channels 3 Connect a spectrum analyzer to the downconverter RF output connector and measure the signal It should be approximately 10 dBm with a center frequency of 70 MHz or 140MHz model dependent UDC Operations Manual Ea U Frequency Converter Series DM 4 Increment the source frequency by 1 MHz 5 Increment the UDC frequency by 1 MHz by sending the FREQ x command 6 Verify that the signal measured by the spectrum analyzer is still approximately 10 dBm with a center frequency of 70MHz or 140 MHz 7 Change the source L band frequency to the largest value valid for the UDC 8 Sendthe FREQ x command to the UDC 9 Verify that the signal measured by the spectrum analyzer 1s still approximately 10 dBm with a center frequency of 70 MHz or 140MHz 10 Repeat the procedure for each installed downconverter The CH x command must be issued first to invoke the proper channel Verify Upconverter Operation using GPIB Control ll Apply a CW RF signal with a power level of 210 0 dBm to the upconverter RF input connector
21. iner for future use The standard UDC shipment includes EE UDC RF Up Down Converter chassis Initial Inspection Inspect the shipping container s for damage If container is damaged retain it until contents of the shipment have been vertified against the packing list and instruments have been inspected for mechanical and electrical operation If the UDC appears to have been damaged during shipping do not install the unit Contact elim immediately UDC Ea Operations Manual DM Frequency Converter Series Applying power l Place the UDC on the intended workbench and connect the AC power cord to the receptable on the rear of the chassis 2 Press the Line on off switch on the rear panel of the chassis The Standby LED on the front panel will illuminate Press the front panel switch to on The unit should power up and the fans will operate Allow a minimum of 30 minutes from power on for instrument warm up before proceeding to the system verification section System verification The following section provides the procedure to verify correct operation of the UDC Verification can be done via GPIB or LAN control Note Power must be applied to the UDC for 30 minutes for full stability Verify Downconverter Operation using GPIB Control 1 Apply a CW RF signal with a power level of 210 0 dBm to the downconverter RF input connector on the front panel of the UDC Set the source to the lowest valid L band
22. istortion Center frequency can be programmed and optionally attenuation of each channel can be controlled The instrument is controllable from the front panel or remotely via LAN or GPIB UDC Operations Manual Ea Nu Frequency Converter Series DM Operating States Power up and Reset Upon power up or reset the instrument is set to the default static state The display will momentarily 3 5 sec indicate the version of the installed firmware the model number serial number and software version Parameter Keys Editing a Parameter When a parameter key is pressed for example Frequency a pointer appears adjacent to the corresponding field The presence of the pointer indicates that the field can be edited Note that the pointer can be visible at any one and only one of three data fields Frequency Attenuation or Channel The user then enters the new value After the Enter key has been pressed the new value is stored and the pointer is no longer present Anytime the pointer is adjacent to a field that field can be edited If another parameter key 1s pressed while the pointer is present the pointer immediately moves to the appropriate field and the original parameter is not overwritten Use of the Clear Key The Clear key is used to delete a new numeric value prior to pressing an enter key The Clear key is also used to return to the main display from any other displayed menu Example e Press Frequency t
23. mum performance the UDC should be calibrated once after the first twelve months of ownership Thereafter on 12 month intervals it is recommended that the verification test procedure is performed to verify that the UDC 1s still within calibration It has been our experience based on historical data that any significant drift that may occur in performance accuracy will occur during the first twelve months of use due to component aging After twelve months the unit has reached full stability No further calibration is estimated to be required However if the UDC is found to be out of calibration it is recommended that the UDC be returned to elilliBm or to an authorized calibration facility For more information please contact our Customer Service Department at 201 677 0008 Repair The UDC should only be serviced by Ba service personnel or trained customer maintenance personnel using the Baa Service Manual for the UDC For instruments requiring service either in or out of warranty contact EBnn Customer Service Department at 201 677 0008 for pricing and instructions before returning your instrument When you call be sure to have the following information available B Model number B Serial number M Full description of the failure condition Note Model and serial number can be found on the rear of the UDC unit UDC 44 Operations Manual DM Frequency Converter Series Equipment Returns All instruments returned t
24. nterface to control the UDC Setting the LAN IP Address The LAN IP address can be modified using the command LAN ADDR followed by the desired IP address The new address will take effect after the instrument receives a RST command or after power up Installing the UDC Remote Client UDCControl on a PC The UDC Client Application named UDCControl and DLL can be copied from the provided CD to a directory on a PC Create a directory for example c UDC Client and copy the following files into the directory UDCControl exe Connecting to the UDC To establish a connection from the PC to the UDC connect the two devices to a local area network or connect them directly using an ethernet crossover cable UDC Operations Manual 29 Frequency Converter Series Commands The UDC LAN interface responds to the following ASCII command set which mimics the GPIB commands Function Code Figure 6 LAN Commands Description of the UDC Remote Client Application Program UDCControl The UDC Client Application called UDCControl provides a graphical interface to control the UDC from a PC via a LAN connection The client application provides status and control of all installed channels The client can address multiple UDC instruments by changing the IP address in the control window UDC ra Operations Manual DM Frequency Converter Series An MODELE N A SERIALH N A REV N A User Label O MHz
25. o Baa for repair must be shipped prepaid Instruments that are eligible for in warranty repair will be returned prepaid to the customer For all other situations the customer is responsible for all shipping charges An evaluation fee may be charged for processing units that are found to have no functional or performance defects For out of warranty instruments Ban will provide an estimate for the cost of repair Customer approval of the charges will be required before repairs can be made For units deemed to be beyond repair or in situations which the customer declines to authorize repair an evaluation charge may be assessed by elim Warranty Information All Bam products are warranted against defects in material and workmanship for a period of one year from the date of shipment dEB m will at its option repair or replace products that prove to be defective during the warranty period provided they are returned to Ban and provided the preventative maintenance procedures are followed Repairs necessitated by misuse of the product are not covered by this warranty No other warranties are expressed or implied including but not limited to implied warranties of merchantability and fitness for a particular purpose Ban is not liable for consequential damages Please refer to the previous section for contact information and procedures to return the instrument to eiim UDC Operations Manual as
26. o select the frequency field The pointer appears at the frequency field e Type a value for frequency e Press Enter The new value is entered and the pointer disappears e Press Frequency and enter a value for frequency The characters appear as the new value is typed e Press Clear The previous delay value appears and the pointer remains visible e Press Frequency The pointer appears at the frequency field e Press Clear again The pointer is removed and no display values can be edited UDC Ea Operations Manual DM Frequency Converter Series Set Center Frequency Press Freq Press numeric value valid range is model dependent Press Enter to enter units of MHz and remove the pointer Set Attenuation Attenation control is optional Attenation values are not displayed when the option is not installed Press Attn Press numeric value valid range is model dependent Press Enter units of dB to enter and remove the pointer Set Channel Press CH Press the number of the channel to be displayed Press Enter The display indicates parameter values for the currently selected channel Editing Utility Functions Pressing Store or Recall activates the utility display A storage register contains all Instrument State settings Center frequency and attenuation for each channel It does not retain the current channel number To store the instrument settings l Press Store The utility display appears
27. on the front panel of the UDC Set the source to the 70 MHz or 140 MHz model dependent 12 Send the following command over the IEEE bus CH a FREQx where x is the desired L band frequency and a represents the synthesizer channel that is controlling the upconverter The channel number refers to the synthesizer channel and not necessarily the RF converter channel number For example Channel I synthesizer may control multiple converter channels 13 Connect a spectrum analyzer to the upconverter RF output connector and measure the signal It should be approximately 10 dBm at the desired L band center frequency 14 Increment the UDC frequency by 1 MHz by sending the FREQ x command 15 Verify that the signal measured by the spectrum analyzer 1s still approximately 10 dBm at the desired L band frequency UDC 39 Operations Manual DM Frequency Converter Series 16 Send the FREQ x command to the UDC where x is the largest valid L band frequency for the UDC 17 Verify that the signal measured by the spectrum analyzer is still approximately 10 dBm at the desired L band frequency 18 Repeat the procedure for each installed upconverter The CH x command must be issued first to invoke the proper channel Verify Operation using LAN Control 1 Connect the UDC to the control PC via a LAN cable Start the UDC Client application The client will automatically poll the UDC and configure the displ
28. s the Configure button and select the desired IP address Type in the desired label for each channel UDC Operations Manual En Channel indicates which synthesizer is currently being controlled single synthesizer channel may control from 1 up to 8 frequency converters Nu Frequency Converter Series DM Controlling the UDC with the Client Upon startup the client will indicate the frequency range and current frequency value for each installed channel When a frequency is modified by overwriting the existing value it is sent to the UDC by pressing Enter or by moving the focus away from the frequency text box Likewise the initial frequency can be modified by typing a new value Initial Frequency is the frequency value that is implemented when the UDC is reset or powered on or Recall 0 is executed UDC 9r Operations Manual DM Frequency Converter Series a Installation and Troubleshooting Installation and troubleshooting If your UDC unit does not appear to be performing as expected vertification tests can determine whether the unit is functioning This section describes installation instructions UDC vertification tests and provides a checklist for results Topic includes System Installation System Verification UDC Operations Manual Ea Frequency Converter Series Installation Unpacking the UDC Remove the UDC materials from the shipping container Save the conta
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