Marconi 6313 Operating Manual Download Page 105

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Summary of Contents for 6313

Page 1: ...o part of this book may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying or recorded by any information storage or retrievat system without perm...

Page 2: ...n 3 4 Operation with 6500 3 5 Calibration 3 1 3 33 3 51 3 53 3 63 Appendix A Sweeper parameters Appendix B Sweeper memory facilities Appendix C Counter Interface Appendix D Self test Appendix E Error...

Page 3: ...pearing on the equipment is as follows Symbol Nature of hazard Reference In manual Dangerous voltages Page iv Static sensitive components Page iv Lh Precision connector Page 3 2 MANUAL AMENDMENT STATU...

Page 4: ...of the supply lead its connectors and filter if fitted an external supply fuse with a continuous rating not exceeding 6 A should be used in the live conductor e g fitted in the supply plug Removal of...

Page 5: ...a private GPIB to enhance the performance of the 6500 as well as a system GPIB to allow operation as part of a complete automatic test system Control and display Logically arranged keypads with step...

Page 6: ...erating mode sweep configurations There are four basic operating modes 1 Frequency sweep at constant power 2 Frequency sweep with power slope 3 Constant frequency and power 4 Constant frequency with p...

Page 7: ...pecified part of the sweeper s frequency range Using Marconi Instruments RF Power Meter 6960 or 6960A with Sensor 6913 and the 26 5 GHz Microwave Counter 2442 connected to 6313 s Private GPIB full re...

Page 8: ...eans of a PIN switch which gives a typical band switch delay of 0 5 IJ S The levelling circuit uses a wide band coupler and detector diode for the 2 GHz to 26 5 GHz band and an additional coupler diod...

Page 9: ...Hz to 12 GHz 12 GHz to 20 GHz 20 GHz to 26 5 GHz 46881 852A Aug 89 GENERAL INFORMATION 0 01 GHz to 26 5 GHz 500 kHz in all modes 10kHz in CW vernier mode manually rotary control and with GPIB control...

Page 10: ...Frequency response Depth Rise and fall time 10 to 90 1 8 GENERAL INFORMATION 0 5 dB at 0 dBm and at cal temp 0 4 dB at 0 dBm and at cal temp 0 1 dB typical 0 2 dB max Selectable between 10 ms and 33...

Page 11: ...6 5 GHz microwave counter RF blanking Counter trigger Stop sweep Holds up sweep with TTL drive e g from counter until valid count obtained Up to 20 complete test set ups may be stored for up to 10 yea...

Page 12: ...mmed display operation Up to 6 user defined non volatile display control configurations can be created using PROG key subsequent instructions These can be amended versions of existing settings to chan...

Page 13: ...Capabilities SYSTEM Complies with sub sets SHl AR1 T6 L4 SRI RL1 PPO DCI DTl CO and E2 as defined by IEEE 488 1978 and IEe 625 1 PRIVATE Controller function provided for connection of 6500 Automatic...

Page 14: ...ambient conditions to ensure that AC supply input circuit components and wiring including earthing are safe 1 Earth lead continuity test from any part of the metal frame to the bared end of the flexib...

Page 15: ...REN DAV 6 18 FORMS TWISTED PAIR WITH 6 NRFO 7 19 FORMS TWISTED PAIR WITH 7 NDAC FORMS TWISTED PAIR VIIITl l B IFC FORMS TWISTED PAIR VIIITH 9 SAO FORMS TWiSTED PAIR WITH 10 ATN FORMS TVIIISTED PAIR W...

Page 16: ...p of another permitting several leads to be connected to the same source and secured by a lockscrew mechanism Too large a stack however may form a cantilevered structure which might cause damage and s...

Page 17: ...figuration key is selected Row 4 of the LCD displays the soft key assignments Selection of a soft key enables the value state of the associated parameter to be changed 1 Step keys The step up and step...

Page 18: ...d modification User programmable configuration keys user defined configurations Select sweep modes and associated parameters for May be programmed with up to six ll Auxiliary configuration keys Shifte...

Page 19: ...the footswitch can be used to change the parameter associated with soft key number 4 thus leaving the hands free for other purposes A useful application is to use the footswitch to switch between the...

Page 20: ...ation input Firmware produces blip once per second Not currently assigned Counter trigger output The PULSE i p is TTL compatible 0 represents RF off and 1 represents RF on See Performance Data in Chap...

Page 21: ...RATOR SWEEP liP I Fig 3 3 Connections to 6500 and plotter 4 Switch on the 6500 and the sweeper Select S T I I on the sweeper and press the init soft key This initializes all devices connected to the P...

Page 22: ...ry If all sections check out correctly the following message is momentarily displayed t 1Et 10RV TEST 1 1 NO FRULTS DETECTED If any memory sections are found to have been corrupted a message of the fo...

Page 23: ...ocal operation Unaddressed Local operation Addressed to listen Local operation Addressed to talk Remote operation Unaddressed Remote operation Addressed to listen Remote operation Addressed to talk L...

Page 24: ...es Examples include CW Filter filter which can be either on or off and Sweep Trigger swp_tr which has the states int ext line and single Non numeric parameters are shown in lower case letters on the d...

Page 25: ...configuration key is pressed the current values states of its associated parameters are displayed in rows 1 2 and 3 of the display In row 4 the symbol of each changeable parameter is displayed above a...

Page 26: ...ic input is terminated the new value is assigned to the parameter and the numeric entry field is cleared The soft key label continues to flash indicating that a further numeric entry may be started F...

Page 27: ...ble states For example the CW configuration includes two non numeric parameters filter and vernier Both of these have two allowed states off and on Initially both of these parameters are off L F 13 25...

Page 28: ...Hz to 26 6 GHz FI Stop frequency 2 MHz to 26 6 GHz F2 Power level dBm 5 to 20 dBm PI Forward sweep time 0 ms to 33 5 s TIME Notes The specified frequency range and levelled power range for the sweeper...

Page 29: ...ndent A change in the value of any one of these parameters will cause changes in the others in accordance with the equations CF Fl F2 2 boF F2 Fl If the centre frequency is adjusted past a point where...

Page 30: ...to reduce the YIG oscillator tuning bandwidth and lower the t residual FM to the values specified in the Performance Data section of Chapter 1 t 46881 852A I 3 1 4 Aug 89 LOCAL OPERATION CW operation...

Page 31: ...ode the RF output power increases with frequency a typical use for which is to compensate for high frequency losses in RF cables The start power PI cannot be changed in this configuration and should b...

Page 32: ...utput power increases with frequency a typical use for which is to compensate for high frequency losses in RF cables The start power PI cannot be changed in this configuration and should be set using...

Page 33: ...ange CF F 2 rrne 2 WIz to 26 6 GHz Pl 15 to 20 dBm 15 to 20 dBm CF RF output frequency PI Start power dBm P2 Stop power dBm TIME Sweep time filter CW filter off Filter off on Filter on 10 ms to 33 5 s...

Page 34: ...L P ale blank Selects RF blanking off No RF blanking retrace RF blanking during sweep retrace ale Automatic Level Control Selects internal or external RF power levelling int Internal levelling select...

Page 35: ...ways blank will be set to off The external detector s output or the power meter s levelling output range 0 to 1 V in both cases should be connected to the EXT LEVEL input on the front panel Appropriat...

Page 36: ...range is sufficient to enable a clear display when viewed from most angles However under certain conditions for instance extremes of temperature this range might not provide the required contrast To...

Page 37: ...logical o transition applied to EXT TRIG pin 11 of rear panel AUXILIARY FUNCTIONS connector Trigger synchronized to power line frequency Sweep initiated by pressing soft key assigned to the s_swp para...

Page 38: ...rnal sweep The counter trigger facility allows frequency measurements to be made while operating in a swept frequency mode At a point in the sweep specified by the cntr_tr parameter the sweeper genera...

Page 39: ...Reference marker The appropriate label is displayed mks on Displays the on off status of all 5 markers The presence of the marker label indicates that the marker is on a dash indicates that the marker...

Page 40: ...stop marker frequencies to FI and F2 Displays A B C D Markers labels The current frequency is shown adjacently Indicates the frequency difference between the reference and stop markers Range 0 to 26...

Page 41: ...on is used to program the step size for each type of numeric parameter The step size for the integer parameters GPIB address LCD contrast etc may also be changed from its default setting of 1 To do th...

Page 42: ...last value but will not be affected by a memory recall operation Hours minutes and seconds will be initialized to 00 00 00 at power on When the sweeper forms part of a scalar analysis system and the d...

Page 43: ...mplitude Analyzer expected at address 8 Counter expected at address 6 Power meter expected at address 9 Plotter expected at address 5 on Device present at expected address off Device not present at ex...

Page 44: ...key assigned to the man_alt parameter auto Alternation between current sweeper settings and those in the specified memory occurs automatically at the end of each sweep man all allows manual switching...

Page 45: ...can be defined Following selection of the MEMORY key the contents of the last accessed memory MEMORY 1 at first access from power up are displayed as shown below F1 1O 0NHz F2 26 5000GHz THlE lOOMS F...

Page 46: ...RESET This contains the standard switch on conditions and is useful for overwriting the contents of the other memories at the end of an operating session should erasure be desirable for security reaso...

Page 47: ...Assigns the power on setting Returns to memory menu TEST AND CAL KEYS The operation of the TEST key is described in APPENDIX D SELF TEST The operation of the CAL key is described in Chap 3 5 CALIBRAT...

Page 48: ...LOCAL OPERATION This page intentionally left blank 3 32 46881 852A Aug 89 r I I...

Page 49: ...retains its configuration until changed by the operator The keys described in Chap 3 1 provide the configurations likely to be required for most applications The programmable keys increase the option...

Page 50: ...memory This can be either one of the standard configurations described in Chap 3 1 or a previously created programmable key configuration Alternatively the edit memory can be CLEARed so that an entire...

Page 51: ...I fol IGIo LOAD tLEfO EXlT MODE EDITOR SOFT KEY EDITOR r 1 Fl F r K Y2 KM KE 4 r HPI dE t J 1 t rnit 1 SCoF Tl SELECT ERR E IT I TO EDIT MENU I TO EDIT MENU J ELE T STORE MENU TIME E J I TO MAIN MENU...

Page 52: ...assignments LOAD Selects the LOAD menu level l which allows a built in sweep or auxiliary configuration or a previously defined programmable key configuration to be loaded into the edit memory for edi...

Page 53: ...verleaf are displayed one after the otherusing the rotary control The configuration label is displayed in parenthesis in row 3 and the associated parameters are shown in rows 1 and 2 SELECT The displa...

Page 54: ...ation Levelled output power CF F CW operation Swept operation Power Slope FI F2 Swept operation Power slope CF LlF Power sweep Status 1 display Status 2 display Parameter step size selection Sweep Tri...

Page 55: ...sted in Table 3 1 overleaf are displayed one after the otherusing the rotary control The configuration label is displayed in parenthesis in row 3 and the associated parameters are shown in rows 1 and...

Page 56: ...ation Levelled output power CF F CW operation Swept operation Power slope FI F2 Swept operation Power slope CF LlF Power sweep Status 1 display Status 2 display Parameter step size selection Sweep Tri...

Page 57: ...e appropriate level 2 editors Soft key assignments MODE Selects MODE editor which allows the operating mode to be defined SOFTKEY Selects SOFTKEY editor which assigns parameters to the four soft keys...

Page 58: ...ing the rotary control This allows the operating mode of the new configuration to be selected The NO CHANGE option allows a configuration to be created which will not change the operating mode when se...

Page 59: ...full listing of the sweeper s parameters by group is given in Appendix A ROTARY CONTROL Selects a parameter from within the group The parameter label appears in parenthesis on the left of row 3 SOFrK...

Page 60: ...of the character field occupied by each displayed parameter Rotary control step key and soft key assignments STEP KEYS Selects a group of broadly related parameters A label identifying the group is i...

Page 61: ...own SELECT Places the chosen parameter at the position specified by the cursor If the parameter is already present elsewhere on the display it is automatically repositioned If the position is already...

Page 62: ...able keys PROG 1 to PROG 6 Rotary control and soft key assignments ROTARY CONTROL Used to select a programmable key The currently selected programmable key is displayed in parenthesis SELECT Programs...

Page 63: ...lER lmIi r lENU LOHC EDIT STOF E EXIT Note As a safety precaution RF power is switched off when the Dkey is selected 2 As it is intended to modify an existing configuration select the LOAD option The...

Page 64: ...elect KEY2 to KEY4 in turn Press SOFTKEY twice to select KEY3 The rotary control and step keys are used to select the parameter to be assigned to the soft key The step keys select groups of broadly re...

Page 65: ...CURSOR The Pl dBm parameter has been deleted from the display 16 Use the step keys and rotary control to select the PWR mW group and the Pl mW parameter Press CURSOR 17 The cursor appears as an under...

Page 66: ...uired that the user had the option of entering the power level either in dBm or in mW this could easily have been achieved by deleting one of the other parameters in the CW configuration CF filter or...

Page 67: ...Bm is already displayed in the Power Slope F1 F2 configuration there is no need to use the DISPLAY editor Press EXIT again to return to the MAIN menu 11 Press STORE to display the STORE menu If necess...

Page 68: ...ating the field length 14 Press NEXT to return to the SELECT PARAMETER menu Use the rotary control I to select F2 15 Press CURSOR to return to the POSmON PARAMETER menu Use the step keys and rotary co...

Page 69: ...cumstances should a GPID controller be connected to the interface connector marked PRIVATE or damage to the sweeper and GPIB controller might result ADDRESS ALLOCATIONS Private GPIB addresses are allo...

Page 70: ...ss 9 plotter S Plotter expected at address 5 on off Device present at expected address Device not present at expected address At power on or following a private GPID reset command the sweeper determin...

Page 71: ...eyboard and added to the plot This it title is held in non volatile memory Plotting is implemented as a background sk allowing 6500 to make new measurements while plotting is in progress 00 front pane...

Page 72: ...two lines show which of the sweeper markers A to E have been assigned 6500 line markers Numeric keys to 5 may be used to assign a line marker to a sweeper marker These keys have a toggling action the...

Page 73: ...has skipped to marker B Instrument settings stores The STO and RCL keys on 6500 are disabled when the instrument is used with the sweeper Instead 6500 settings are stored in the sweeper at the same t...

Page 74: ...not possible to engage auto alternate sweep with a 6500 The altern para meter will not toggle to auto when an analyzer is present on the private bus Alternate sweep worked example Here is a simple exa...

Page 75: ...the TIME parameter value is set to the 6500 nominal sweep speed to ensure that speed dependent error correction performed by the sweeper is properly applied PLOT key If a digital plotter is not conne...

Page 76: ...r case alphabetic characters Selects numeric and symbol characters Moves cursor non destructively one space left Moves cursor non destructively one space right Inserts space character at cursor positi...

Page 77: ...ms Marconi B 3 17 dBm f Inl A 0 79 dB 8 1 i I I i ffi i It I 1 t T V Ti QJI Ref Mk 6_6603 I 12 _0475 TPA 5867 2_0000 Power scaling Current measurement Brigbtline power Q Difference in power between br...

Page 78: ...OPERATION WITH 6500 AUTOMATIC AMPLITUDE ANALYZEA Blank page 3 62 46881 852A Aug 89 r l 1...

Page 79: ...independent stores Limited 1 and Limited 2 The Primary calibration data created during factory calibration is stored in EEPROM Electrically Erasable Programmable Read Only Memory and the User and Limi...

Page 80: ...The power output over the restricted range is flatter than it would be after Primary or User calibration since the data points are closer together for Limited calibration 3 There is no need to perfor...

Page 81: ...m code MAIN CAL MENU rROCU O P o CRlltl Afl I CL I IllTIIL P LH1I IU S IM UtllTtOl L1nlTElll 1 1 46881 852A Aug 89 3 65 r I FREQUENCY CALIBRA TlON I I I I I I I I L _ F5 f H I TJOtI let rH l tn power...

Page 82: ...ting instructions ii The operator must enter a six digit authorization code before a new calibration can be acquired or selected iii Transfer of data from either User 1 or User 2 calibration stores to...

Page 83: ...ON J EtHER RUTHOPI SRT I OH OI E __ JE I T The correct sequence of six digits must be entered before access to the calibration main menu is permitted The digits are not displayed as they are entered...

Page 84: ...from Primary User 1 User 2 Limited 1 or Limited 2 calibration stores During subsequent operation the selected calibration is displayed in the status field eAL Initiates acquisition of calibration data...

Page 85: ...r calibration WRRNING THIS POWER CRL WILL USE THE FREQUENCY DRTR FROM THE STORE P OCEED RBOF T PROCEED Calls up the POWER CALlBRA TION menu ABORT Returns to the CALIBRATION SELECTION menu If the incor...

Page 86: ...ata acquisition EXIT Returns to the calibration main menu without acquiring any calibration data During calibration the display is as below The progress of the calibration is indicated by the series o...

Page 87: ...TION POWER_MTR LIMITS PROCEED RBORT POWER_MTR Initiates calibration of power meter LIMITS Allows entry of frequency limits for power calibration PROCEED Commences acquisition of power calibration data...

Page 88: ...IBR TIOH SHISOR P LCAL E IT SENSOR Allows entry of power sensor data into non volatile store Initiates power meter calibration Returns to POWER CALIBRATION menu Detailed descriptions of the SENSOR and...

Page 89: ...UN F Linearity factor Range 0 10 14 99 CAL F Calibration factor This is stored at 10 30 50 100 300 and 500 MHz and then at 1 GHz intervals between 1 and 20 GHz and 0 5 GHz intervals between 20 and 26...

Page 90: ...the power calibration menu YES Allows power meter 50 MHz calibration to proceed PO iE F I1ETER 0 1Hz C AL COHNECT POuIEF SEt 60F TO P 1 REF OUTPUT PROCEED EXIT EXIT Aborts power meter calibration and...

Page 91: ...Al1BRA TION menu The LIMITS menu is of the form CRLIBRRTION LIMITS LOWER 6 5000GHz UPPER 8 8000GHz J LOIJJER UPPER EXIT LOWER Allows entry of lower frequency limit UPPER Allows entry of upper frequenc...

Page 92: ...data see first display below and then flatness data see second display below For a User calibration the progress of the power calibration process is indicated by the series of dashes progressively fi...

Page 93: ...n assigned to either User1 or User2 the sweeper prompts for an identification number of up to 8 digits CALlBRRTIOH Co USER 1 12345678 For a limited calibration the screen will be C llBRm 1011 COI IPLE...

Page 94: ...ts transfer facility L TRm t FEF J EtHER i ll1THOR I SRT I ON CODE EXIT Transfer to the primary calibration store is protected by a second six digit authorization code TO F F II lRI CRL I H Rt6FH L US...

Page 95: ...tation failure If this error occurs the private GPIB connections should be checked If these appear satisfactory the addresses of the devices on the private GPIB should be checked to ensure they are th...

Page 96: ...en CD C I co CD tTI CD W o r ffi D 5 z w I co o 1 1...

Page 97: ...ly para meters are indicated by a D Similarly a few parameters designated soft key only are indicated by an S TABLE A I FREQUENCY PARAMETERS Name Description Minimum Maximum Fl Start frequency 2 MHz 2...

Page 98: ...N YR OP_HRS USR_H RS CONTRST INTLl S_ADDR P ADDR DS_NPOS ALT MEM RATE LAST_KEY mks_on 6S00_mks App A 2 Description Minimum Maximum Forward sweep time Time step 10 ms 1 ms 33 5 s 10 s TABLE A S INTEGER...

Page 99: ...LE A 7 NON NUMERIC PARAMETERS Description States Counter trigger CW filter Sweep trigger Automatic level control Sweep select Amplitude modulation Retrace blanking Marker on off 6500 on off indicator...

Page 100: ...Initiate private GPIB Assign CF from reference marker Make the current marker sweep permanent 6500 brightline skip to next line marker S S S S Action parameters have no states When a soft key assigned...

Page 101: ...Time step F Frequency increment Al 1_FREQ AM frequency INT Integer step mks_on Marker onloff status Parameter 6500 mks DS NPOS cntr_tr filter swp_tr ale sweep am blank vernier mk ref mk_stp mk Ll d_s...

Page 102: ...Private GPID address Rotary control rate No of last key pressed 6500 on off indicator 6960 on off indicator 2440 onloff indicator Plotter onloff indicator Initiate private GPlB Reference marker onlof...

Page 103: ...z F 26 49 GHz A 13 255 GHz B 13 255 GHz C 13 255 GHz D 13 255 GHz E 13 255 GHz l 1K_FREQ 13 255 GHz 0 GHz F 500 MHz AM_FREQ 1 0 kHz PI dBm 0 dBm P2 dBm 0 dBm P 1 0 dB SLP 0 dB GHz PI mW 1 0 mW P2 mW 1...

Page 104: ...cntr tr off OFFSET 0 filter on LEVEL 0 swp_tr int SCALE 0 ale int VERN 0 sweep int BAND 0 am off CONTROL 0 blank retrace CNTRL A 0 mk_swp off CNTRL B 0 altern off vernier off mk j ef A mk_stp B mkr b...

Page 105: ...P L pin 1 of the AUXILIARY FUNCTIONS connector to halt the forward sweep for as long as is necessary for the counter to perform a frequency measurement It should be noted that if a frequency reading i...

Page 106: ...tched off by repeating the above procedure Hewlett Packard 5343A Microwave Frequency Counter Connect instruments as shown in Fig C 2 STOP FWD SWEEP PROGRAMMABLE SWEEP GENERATOR AUX CONNECTOR P1N 1 631...

Page 107: ...elled with the alphabetic characters A to Z and a to k The display shows which sections have been corrupted In the above example faults have been discovered in sections A G H I Q R d e and f If a sect...

Page 108: ...mory 9 PRESET 0 Memory 10 PRESET P Memory 11 PRESET Q Memory 12 PRESET R Memory 13 PRESET S Memory 14 PRESET T Memory 15 PRESET U Memory 16 PRESET V Memory 17 PRESET r W Memory 18 PRESET X Memory 19 P...

Page 109: ...OWER SUPPLY OVERHEATING Ensure ventilation slots are clear of obstructions and that rear pane filter is clean If warning persists switch off and refer to service engineer ERROR 5 LIMIT III Indicates a...

Page 110: ...n the sweeper s non volatile memory has been corrupted The sweeper attempts recovery action by over writing the damaged memory with PRESET settings If this error persists refer to service engineer CAN...

Page 111: ...ty 3 66 I Calibration selection 3 69 Calibration types 3 63 Changes to 6500 operation 3 55 I Changing 6500 sweep speed 3 59 Changing non numeric parameters 3 11 Changing numeric parameter values 3 11...

Page 112: ...ers list Interface bus lead connection 3 54 2 1 3 57 A 2 2 4 JKL Limits Limits Entry of frequency limits Load menu and display current edit memory menu LOCAL OPERATION 3 11 3 75 3 37 3 1 M Main CAL me...

Page 113: ...editor PM CAL Power meter 50 MHz calibration Power calibration Power calibration menu Power meter and counter operation note on POWER MTR Power meter calibration Power sweep Presentation of brightJine...

Page 114: ...PARAMETERS A I Swept operation levelled output power FI F2 3 12 Swept operation levelled output power CF F 3 13 Swept operation power slope FI F2 3 15 Swept operation power slope CP F 3 16 1 Switch o...

Page 115: ...sections and default data 3 38 3 41 A I A 2 A 2 A 2 A 2 A 3 A 3 A 4 B 1 B 2 B 2 B 3 D 2 List of figures Fig Page 1 1 6313 with 6500 2 1 GPIB connector contact assignments 2 2 GPIB interconnections 3 1...

Page 116: ...I I i I i I I l...

Page 117: ...La Canal Courcouronnes 91023 EVRY Telephone 16 077 9066 Telex 604482 Fax 16 077 6922 MARCONI INSTAUMENTOS S A General Vague 6 bls 5 28020 MADRID Telephone 1 455 0391 Telex 47199 Fax 1 455 1922 Gp 3 W...

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