HP 35601A User Manual Download

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Summary of Contents for 35601A

Page 1: ...O P E R A T I N G I C E 1 s tfesa A M U A L HP35601A SPECTRUM ANALYZER INTERFACE m HEWLETT PACKARD ...

Page 2: ...hat its software and firmware designated by HP for use with an instrument will execute its programming instructions when properly installed on that instrument HP does not warrant that the operation of the instrument or software or firmware will be uninterrupted or error free LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance b...

Page 3: ...T PACKARD COMPANY 1981 EAST 24001 MISSION AVENUE TAF C 34 SPOKANE WASHINGTON U S A 99220 Operating and Service Manual Part No 35601 90001 Microfiche Operating and Service Manual Part No 34601 90051 Printed in U S A SEPTEMBER 1982 mHEWLETT PACKARD ...

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Page 5: ...1 6 2 Safety Considerations 6 1 6 3 Recommended Test Equipment 6 3 6 4 Automatic Testing and Adjustments 6 4 6 5 General Instructions 6 4 6 6 Connect The Instruments 6 4 6 7 Starting The Program 6 4 6 8 Selecting a Menu 6 5 6 10 Bypass Path Test 6 9 6 11 2 MHz Lowpass Filter Test 6 10 6 11 xlOO Amplifier Test 6 11 6 12 6 12 Pads in Tracking Generator Input Path Test 6 13 6 14 6 13 Adaptive Coupler...

Page 6: ...46 6 47 6 48 6 49 6 50 6 51 6 52 6 53 6 54 6 55 6 56 6 57 6 58 6 59 6 60 6 61 6 62 Section Page 6 64 Front Panel Meter 6 65 6 63 5 Volt Detector and Integrator 6 65 6 65 Summing Amplifier 6 66 6 66 Wein Bridge Oscillator 6 66 6 67 Oscillation Detector 6 66 6 68 Lag Lead Network 6 66 6 69 0 to 20 dB Attenuator Output 6 66 6 70 FET Switch Drivers 6 67 6 68 6 71 Overload Flip Flop 6 67 6 68 6 72 Out ...

Page 7: ...st 6 31 6 32 6 14 350kHz 370kHz Synthesizer Test 6 33 6 34 6 15 Voltage Controlled Crystal Oscillator Test 6 35 6 36 6 16 350kHz Bandpass Filter 6 37 6 38 6 17 X20 and X5 Amplifiers Test 6 39 6 40 6 18 Switchable Lowpass Filters Test 6 41 6 19 HP IB Test with Digital Signature Analysis 6 43 6 44 6 20 A3 Schematic and Component Locator 6 45 6 21 A3 Schematic and Component Locator 6 53 6 54 6 22 A3 ...

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Page 9: ... in such an environment constitutes a definite safety hazard KEEP AWAY FROM LIVE CIRCUITS Operating personnel must not remove instrument covers Component replacement and internal adjustments must be made by qualified maintenance personnel Do not replace components 3 C O n n e C e d T U n d e r c e r t conditions dangerous voltages may exist eTen w l SZZZSfiZZved To avo dinjuries a waysdisconnectpo...

Page 10: ...minal marked with this symbol must be connected to ground in the manner described in the installation operating manual and before operating the equipment Frame or chassis terminal A connection to the frame chassis of 1 the equipment which normally includes all exposed metal struc tures Alternating current power line Direct current power line Alternating or direct current power line k The WARNING s...

Page 11: ...the system library for the hp 3047A The part numbers for both the printed manual and the manual on microfiche are listed on the title page of this manual Additional copies of this manual in either form are available through your nearest Hewlett Packard Sales Service office a list of these are in the back of this manual This section contains the specifications general description safety considerati...

Page 12: ...zer Interface is a Safety Class I instrument and has been designed according to international safety standards To ensure safe operation and to retain the in strument in a safe condition the Operating and Service Manual contains information cau tions and warnings which must be adhered to by the user NOTE See the Safety Summary following the Table of Contents of this manual for a discussion of basic...

Page 13: ... 2 HP IB Cable I 5 BNC Cables I 2 BNC T Critical Specifications HP IB Capability HP IB Controllable 10MHz Reference HP IB Controllable 75MHz Bandwidth 100MHz Recommended hp Model No hp part number 35601 10001 hp part number 35601 10006 hp part number 35601 10011 hp 9836 or hp 9 8 4 5 B with 1 hp 9 8 0 3 4 A hp 3 3 2 5 A o p t 0 0 1 I hp 3 4 5 5 A hp 1 8 0 A 1 8 0 8 A j 1821A or I hp 1 740A 1 h p 5...

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Page 15: ...he correct linefuse is installed in the rearpanelFUSE holder 2 3 Line Voltage and Frequency The hp 35601A requires a single phase power source of 86 V to 127 V 48Hz to 66Hz or 189 V to 225 V 48Hz to 66Hz 2 4 Grounding Requirements To protect operating personnel the instrument s panel and cabinet must be grounded The hp 35601A is equipped with a three wire power cord which when plugged into an ap p...

Page 16: ...r line voltage and the correct linefuse is installed in the rear panelFUSE holder Voltage selection switches on the rear panel are used to configure the instrument to operate on one of four input line voltage ranges The range of input voltages for each configuration of the switches is illustrated in Figure 2 1 Set the switches to conform with the line voltage to be used with this instrument The sw...

Page 17: ...el see Figure 2 3 Factory Set Address NOT USED ASCII Code Character Listen Talk SP A B C D E F G H I J K L M N 3047 2 3 Address Switches A1 A2 A3 A4 AS 0 1 2 3 4 5 6 7 8 9 P Q R S T U V w X Y z 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 o 0 0 0 o Decimal Code 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 0...

Page 18: ...p 3047A after servicing these parts should be used These are illustrated in Figure 2 4 Rack Mount Flanges two required hp part number 5020 8862 2680 0106 10 32 SCREWS 3050 0007 METAL WASHERS 3050 0248 NYLON WASHERS 2510 0193 8 32 PANHEAD Rear Frame Mounting Bracket hp part number 03047 04702 Instrument Support Rails two required hp part number 03047 04701 Figure 2 4 Mounting Hardware ...

Page 19: ...o the in strument while it is installed in the hp 3047A regardless of power line voltage and frequen cy If for some reason the instrument is to be operated out of the system then use the ap propriate power cable from the ones shown in Figure 2 5 With the front panel power switch in the OFF position connect the ac power cable to the rear panel LINE connector Plug the other end of the power cable in...

Page 20: ...om the jack on the rear panel labeled 10MHz REF INPUT FROM 3585A 10MHz REF OUTPUT connect a cable to the 3585A 10MHz Reference Output 6 To the jack labeled OUTPUT TO 3582A A CHANNEL INPUT connect the cor rect cable from the patch panel below the hp 3582A 7 To the jack labeled OUTPUT TO 3582A B CHANNEL INPUT connect the cor rect cable from the patch panel below the hp 3582A 8 To the jack labeled IN...

Page 21: ...kscrews is made by their color English threaded fasteners are colored silver and metric threaded fasteners are colored black DO NOT mate silver and black fasteners to each other or the threads of either or both will be destroyed Metric threaded HP IB cable hardware illustra tions and part numbers follow LOCKSCREW LONG MOUNTING STUD SHORT MOUNTING STUO 1390 0360 0380 0643 0380 0644 THESE PINS ARE I...

Page 22: ...ackaging The instrument is best packaged for shipping using a shipping container and packing materials available through and hp Sales Service office A list of hp Sales Service offices is given at the back of this manual Be sure to allow eight to ten centimetres of packaging material on all sides of the instrument and seal the container with strong tape or metal bands Also mark the container FRAGIL...

Page 23: ...601A need only be concerned with the uses of the front and rear panel controls and jacks 3 2 FRONT PANEL Figure 3 1 contains a diagram of the front panel of the hp 35601A The text included in Mgure 3 1 describes the numbered items in the diagram CAUTION Before applying ac linepower to the hp 35601A be sure that the VOLTAGE SELECTOR switches are set for the proper line voltage and the correct linef...

Page 24: ...f lOdBm The impedance of these inputs is 50 Each input may be used for the reference or the device under test 5 Phase lock loop vco control voltage output This output pro vides the control voltage for the vco under test in Phase Noise Analysis The output has a 50Q source impedance S Output to 3585A 1 MQ This output connects to the 1 MQ input of the 3585A 7 Output to 3585A 50Q This output connects ...

Page 25: ... the Installation section of this manual for instructions on setting these switches Q Fuse Holder Holds ac power line fuse See the Installation section for appropriate fuse size J HP IB Address Selection Switches Selects the desired HP IB address See the Installation section for instructions f IF Input This input accepts the IF Output from the hp w 3585A fi HP IB Connector Provides HP IB control o...

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Page 27: ...e f coefficient kO kilohm s 10 3ohms 0 0 outside diameter tog O M S com common kHz kilohertz 10 3 hertz to B c o m p composition p omak w wnear taper pc printed circuit 231 U f p h logarithmic taper pF picofaradts 1 0 1 2 farads V voftfs g p i SSSiySSSiSZ nr 3 P l v peak inverse voltage vacw alternating current working voltage O P 5 T double pole single throw mA midiarnperetsl 10 3 amperes p o par...

Page 28: ...al for addresses and phone numbers of your local hp office Table 4 2 Manufacturers Code List Mfr Mo 1 01121 I 01295 0192B I 03888 04713 07263 I 13606 I 17856 18324 19701 20932 24546 27014 28480 51642 56289 72136 I 80103 Manufacturer Name Allen Bradley Co Texas Instr Inc Semicond Cmpnt D tv RCA Corp Solid State Div KDI Pyrofilm Corp Motorola Semiconductor Products Fairchild Semiconductor Div Spragu...

Page 29: ...A 250V TD 1 25X 25 FUSE 3A 250V TD 1 25X 25 CONNECTOR 5 PIN M POST TYPE CONNECTOR 50 PIN M POST TYPE CONNECTOR 5 PIN M POST TYPE HEADER 34 PIN HEADER 34 PIN CONNECTOR 5 PIN M POST TYPE CONNECTOR 10 PIN M POST TYPE CONNECTOR 6 PIN M POST TYPE CONNECTOR 5 PIN M POST TYPE INDUCTOR RF CH MLD 5 6UH 5 166DX 385LG RESISTOR 10K 5 25U FC TC 400 70 0 RESISTOR 10K 5 25W FC TC 400 700 RESISTOR 180 5 25U FC TC...

Page 30: ...TOR 3 PIN M POST TYPE LOU FREQUENCY PC ASSEMBLY CAPACITOR FXD 15UF 10Z 20VDC TA CAPACITOR FXD 15UF 10X 20VDC TA CAPACITOR FXD 1000PF 20 50VDC CFR CAPACITOR FXD 8200PF 1Z 100VDC MICA CAPACITOR FXD 440PF 1Z 300VDC MICA CAPACITOR FXD 8200PF 1 100VDC MICA CAPACITOR FXD 0 1UF 50VDC CAPACITOR FXD 0 1UF 50VDC CAPACITOR FXD 0 1UF 50VDC CAPACITOR FXD 0 1UF 50VDC CAPACITOR FXD 15UF 10X 20VDC TA CAPACITOR FX...

Page 31: ...ACITOR FXD 0 1UF 50VDC CAPACITOR FXD f7UF 10 20VDC TA CAPACITOR FXD 15UF 10Z 20VDC TA CAPACITOR FXD 4700PF 10 200VDC POLYE CAPACITOR 0 01UF 100V CAPACITOR FXD 039UF 10 200VDC POLYE CAPACITOR FXD 039UF 10 200VDC POLYE CAPACITOR FXD 082UF 10 200VDC POLYE CAPACITOR FXD 15UF 10 20VDC TA CAPACITOR FXD 15UF 10 20VDC TA CAPACITOR FXD 15UF 10 20VDC TA CAPACITOR FXD 2200PF i 5 100VDC CER CAPACITOR FXD 2200...

Page 32: ...MA DO 7 DIODE GEN PRP 180V 200NA DO 7 DIODE SWITCHING 30V 50HA 2NG DO 35 DIODE SWITCHING 30V 50MA 2NS DO 35 DIODE SUITCHING 30V 5QHA 2HG DO 35 DIODE SWITCHING 30V 50HA 2NS DO 35 DIODE SUITCHING 30V 50MA 2NS DO 35 DIODE SWITCHING 30V 50HA 2NS DO 35 DIODE SUITCHING 30V 50HA 2NS DO 35 DIODE SUITCHING 30V 50HA 2NS DO 35 CONNFCTOR SMB ST JK CONNECTOR ShB ST JK CONNECTOR SMB ST JK CONNECTOR SHB ST JK CO...

Page 33: ...0UH 5 166DX 385LG INDUCTOR RF CH MLD 100UH 5 166DX 385LG INDUCTOR RF CH MLD 10MH 5 25DX 75LG INDUCTOR RF CH MLD 100UH 5 166DX 385LG INDUCTOR RF CH MLD 10MH 5 25DX 75LG INDUCTOR 225UH 5 Q 10 0 INDUCTOR 225UH 5 Q 100 INDUCTOR 110UH 5 Q 100 INDUCTOR RF CH MLD 10MH 5 25DX 75LG INDUCTOR RF CH MLD 10MH 5 INDUCTOR 225UH 5 Q 100 INDUCTOR 225UH 5 Q 100 INDUCTOR 110UH 5 Q 100 INDUCTOR RF CH MLD 82UH 5 25DX ...

Page 34: ... RESISTOR 2 2K 52 25U FC TC 400 700 RESISTOR IK 52 5W FC TC 400 600 RESISTOR 47 52 25U FC TC 400 580 RESISTOR 4 7K 52 25U FC TC 400 700 RESISTOR 2 2K 52 25W FC TC 400 70 0 RESISTOR 6 8K 52 2514 FC TC 400 700 RESISTOR 6 8K 52 25W FC TC 400 700 1 RESISTOR 2 2K 52 25U FC TC 400 7Q0 RESISTOR 301 12 125M F TC 0 100 RESISTOR 1 87K 12 125U F TC 0 100 RESISTOR 10K 52 25W FC TC 400 700 RESISTOR 348 12 125W...

Page 35: ...R 220K 5 25U FC TC 800 900 RESISTOR 220K 52 25W FC TC 300 90 0 RESISTOR 1 58K 1 125W F TC 0 100 RESISTOR 10K 5 25W FC TC 400 70Q RESISTOR 1 5K 5 25W FC TC 400 700 RESISTOR 887K 12 125W F TC 0 100 RESISTOR 10K 5 25W FC TC 400 700 RESISTOR 8 06K 1 125W F TC 0 100 RESISTOR TRMR 5K 102 C TOP ADJ 1 TRN RESISTOR 33K 52 25W FC TC 400 B00 RESISTOR 220K 52 25W FC TC 800 900 RESISTOR 47K 52 25W FC TC 400 80...

Page 36: ...25W F TC 0 10 0 RESISTOR 4 99K IX 125W F TC 0 100 RESISTOR IK 5X 25W FC TC 400 600 RESISTOR 953 IX 125W F TC 0 100 RESISTOR 150K 5X 2514 FC TC 800 4900 RESISTOR IK 5X 25W FC TC 400 600 RESISTOR IK 5Z 25U FC TC 400 60 0 RESISTOR 470K 5X 25U FC TC 800 700 RESISTOR 150K 5X 25U FC TC 800 900 RESISTOR 1K 5X 25W FC TC 400 600 RESISTOR IK 5X 25U FC TC 400 600 RESISTOR 4 75K IX 125U F TC 0 100 RESISTOR 24...

Page 37: ... FXD 01UF 20 100VDC CER CAPACITOR FXD 01UF 20 100VDC CER CAPACITOR FXD 01UF 20 100VDC CER CAPACITOR FXD 6 8PF 5PF 200VDC CER CAPACITOR FXD 10PF 5PF 200VDC CER CAPACITOR FXD 10PF 5PF 200VDC CER CAPACITOR FXD 33PF 5 200VDC CER 0 30 CAPACITOR FXD 33PF 5 200VDC CER 0 30 CAPACITOR FXD 6BPF 5 200VDC CER 0 30 CAPACITOR FXD 10 0PF 5PF 20QVDC CER CAPACITOR FXD 6BPF 5 200VDC CER 0 30 CAPACITOR FXD 10PF 5PF ...

Page 38: ...Y REED RELAY REED 1A 500MA 100VDC 5VDC C0IL RELAY RFED 1A 50 0MA 100VDC 5VDC COIL RELAY 2C 12VDC COXL 5A 28VDC RELAY 2C 12VDC COIL 5A 28VDC RELAY REED 1A S00MA 100VDC 5VDC C0IL RELAY 2C 12VDC COIL 5A 28VDC RELAY 2C 12VDC COIL 5A 28VDC RELAY REFD RELAY 2C 12VDC COIL 5A 28VDC INDUCTOR RF CH MID 47NH 20 166DX 3C5LG INDUCTOR 068UH INDUCTOR RF CH MLD 110NH 5 166DX 385LG INDUCTOR 51UH INDUCTOR RF CH MLD...

Page 39: ...00MHZ TRANSISTOR PNP SI TO 92 PD 350MU TRANSISTOR NPN SI PD 350MW FT 300hHZ TRANSISTOR NPN ST TO 18 PD 36QMU TRANSISTOR PNP SI TO 18 PD 360MW RESISTOR 47 5 1 25W F TC 0 100 RESISTOR 287 1 125W F TC 0 100 RESISTOR 17 4 1 125W F TC 0 10G RESISTOR 237 1 125W F TC 0 100 RESISTOR 287 1 125W F TC 0 100 RESISTOR 17 4 1 RESISTOR 287 1 RESISTOR 287 1 RESISTOR 17 4 1 RESISTOR 22K 5 RESISTOR 287 1 125W F TC ...

Page 40: ...TRN RESISTOR 249 1Z 125W F TC 0 100 RESISTOR 1 13K 1Z 125U F TC 0 100 RESISTOR 499 1Z 125U F TC D 100 RESISTOR 7 5K 1Z 125W F TC 0 100 RESISTOR 2 26K 1Z 125U F TC 0 100 RESISTOR 665 IZ 125W F TC 0 100 RESISTOR 453 I Z 125W F TC 0 100 RESISTOR 330 5Z 25W FC TC 400 6QO RESISTOR 866 I Z 25W F TC 0 10D RESISTOR IK 5Z 25W FC TC 400 600 RESISTOR 4 3 2 1 125W F TC 0 100 RESISTOR 47 5Z 25W FC TC 400 50Q R...

Page 41: ...TOR FXD 100PF 5Z lOOVDC CFR CAPACITOR FXD 100PF 5 lOOVDC TFR CAPACITOR FXD 2 PF 5 lOOVDC CER CAPACITOR FXD 1UF 20 25VDC CCR CAPACITOR FXD 1UF 20 25VDC CFR CAPACITOR FXD 1UF 20 25VDC CER CAPACITOR FXD 5000PF 3O0VDC DIODE SWITCHING 80V 200MA 2NS DO 35 DIODE SWITCHING 30V 200MA 2NS DO 35 DIODE SWITCHING 80V 200MA 2NS DO 35 DIODE SWITCHING OOV 200MA 2NS DO 35 DIODE ZENER 5 6V 05 DIODE 7 F NER 5 6V 05 ...

Page 42: ...00K 1 125W F TC 0 100 RESISTOR 22K 5 25W FC TC 400 4 800 RESISTOR 22K 5Z 25U FC TC 400 B00 RESISTOR 47K 5Z 25W FC TC 400 800 RESISTOR 220 5Z 254 FC TC 400 600 RESISTOR 220 5Z 25U FC TC 400 630 RESISTOR 3 92K 1Z 125U F TO 0 100 RESISTOR 23 7K 1Z 125U F TC 0 100 RESISTOR I 91K I Z 125U F TC 0 100 RESISTOR 20K I Z 125U F TC 0 100 RESISTOR 10OK I Z 125U F TC 0 100 RESISTOR 402K I Z 125U F TC 0 100 RES...

Page 43: ... IC OP AMP QUAD 14 DIP P PKG IC COMPARATOR GP QUAD 14 DIP P PKG IC SWITCH ANLG QUAD 16 DIP P PKG IC OP AMP QUAD 14 DIP P PKG IC OP AMP IOW NOISE DUAL 8 DIP C PKG 10MHZ SWG PC ASSEMBLY 10MHZ SOX ASSEMBLY BOX ASSEMBLY AFMST PVR fi 10MHZ CAPACirOR FDTHRU 100 0PF GMV 500V CER CAPACITOR FXD 10D0PF 20 50VDC CER CAPACITOR FXD I0Q0PF 20 50VDC CER CAPACITOR FXD 1000PF 20 50VDC CER CAPACITOR FXD 100QPF 20 5...

Page 44: ...33PF l Z 300VDC MICA CAPACirOR FXD 133PF 1Z 300VDC MICA CAPACITOR FXD 133PF 1Z 300VDC MICA i CAPACITOP FXD 133PF 1Z 30 0VDC MICA CAPACITOR FXD 317 3PF 1Z 3Q0VDC MICA 1 CAPACITOR FXD 317 3PF 1Z 300VDC MICA CAPACITOR FXD 1UF 80 20Z 50VDC CER CAPACITOR FXD 1UF 00 20 5QVDC CER CAPACITOR FXD 1UF IO0 20Z 50VDC CER CAPACITOR FXD 1UF 80 20Z 5QVDC CER CAPACITOR FXD 1UF 80 20 50VDC CER CAPACITOR FXD 1UF 80 ...

Page 45: ... ARRAY 16 PIN PISTC DIP CABLE POWER APtfSl RONG CABLE SHIELDED BOARDS DOUBLE BALANCED MIXERS HP IB CABLE PC ASf FMBLY SWITCH RKR DIP RKR ASSY 7 lA 05A 30VDC CABLF ASSEMBLY HPIB ACCESSORY KIT KIT ACCESSORY CABLE ASSEMBLY EXTENDER CABLE ASSEhSLY ADAPTOR ADAPTER COAX STR M SMB M SMB SERVICE PC ASSEMBLY Mfr Code 24546 24546 24546 01121 28480 13606 28480 28480 28480 2Q4BC 28480 28480 28480 284 G 28480 ...

Page 46: ...UF 20 50VDC TA CAPACITOR FXD 1 U F 2 0 50W C FA DIODE ZNR 1N3316B 17V 57 PD 50W IR 5UA DIODE 2NR 1N3316B 17V 5 PD 50W IR 5UA DIODE ZNR 6 2V 5 DO 4 PD 10W TC 4 035Z FUSE 5A 250V NTD 1 25X 5 UL RESISTOR 243 1 125U F TC 0 10 0 RESISTOR 3 48K 1 125W F TC 9 190 RESISTOR 2 4 3 1 125U F TC Q 100 RESISTOR 3 4QK XX 125W F TC 0 100 TRANSFORMER POWER TC V RGLTR TO 3 IC V RGLTR TO 3 TC 309 V RGLTR TO 3 IC 337...

Page 47: ...LF METER CABLE HFA METER CABLE 10MHZ REAR PANEL CABLE AFMST 10 MHZ CABLF PHASE LP HF CABLE AM FM CABLE IF REAR PANFL CABLE NOISE ARMS CABLE NOTSE HF CABLE NOISE RP CABLE NOISE CABLE CHANNEL B RP CABLE CHANNEL A RP CABLE D3 10 hH7 NON METRIC HARDWARE FUSEHOLDER NUT FUSEHOLDER BODY HEX NUT CR3 ZENER HEX NUT CR1 6 CR2 15 32 HEX NUT CFRONT AND REAR PANEL BNC 12 32 HEX NUT CFEEDTHRU CAPS 10MHZ 6 ARMSTN...

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Page 49: ...owing parts are applicable for these instruments A5C13 0180 0100 CAPACITOR FXD 4 7UF A5C14 0180 0100 CAPACITOR FXD 4 7UF A5R1 0683 4751 RESISTOR 470 A5R11 0683 4751 RESISTOR 470 A5R30 0698 3223 RESISTOR 1 24K A5R31 0757 0420 RESISTOR 750 A5R32 0698 4421 RESISTOR 249 A5R33 0698 4421 RESISTOR 249 A5R34 0757 0472 RESISTOR 200K A5R58 0757 0446 RESISTOR 15K A5R59 0757 0446 RESISTOR 15K A5R72 0757 0280 ...

Page 50: ... IK 5 25W A3R345 0683 1035 RESISTOR 10K 5 7o 25W A3R346 0683 4735 RESISTOR 47K 5 7o 25W A3R347 0683 6835 RESISTOR 68K 5 25W A3R365 0683 6835 RESISTOR 68K 5 25W A3R366 0683 4735 RESISTOR 47K 5 25W A3R367 0683 1035 RESISTOR 10K 5 25W The following parts are not used on these instruments A3CR309 through A3CR312 A3R233 through A3R235 and A3R448 through A3R451 The Channel A DC Offset Adjustment does no...

Page 51: ...Sji V 4 2 r K 7tJ 5 k 8i kiSU m m feSS4 tsv nm I I I j IPM l t tW t Jt _js n OZOS norm 1 V J2S5JL T J1 K05 _Cr PHASC ocrrctm 2 U JSJS IS CH204 W20S sfsK M i e s W20S ezzTl 4ZZ4 I H Nlr M i l JLZW ItZuH V 13 IWhz VCO C285 1 U03 aaenuzei L2D4 teoouH H09 001 0Z0 1 M i V to Jmub ozs MXCR ORIVCR SS l i p T J4 ik TltpSaouS COMMIT nw SM Figure 5 1 A3 Revision A and Component Locator 5 3 5 Rgure 5 1 A3 Sc...

Page 52: ...W T T ffl5 0 0 CED ft 0 00 _ h p P rt Ho 3MM SUM on using SWITCH IWtr to Apntndb B for IC ategrwra and ti Figure 5 2 A3 Schematic and Component Locator Revision A 5 S J 6 Figure 5 2 A3 Schematic and Component Locator Revision A 5 5 5 6 ...

Page 53: ...nstrument andprotective covers removed Such maintenance should be performed only by service trained personnel who are aware of the hazards involved for example fire and electrical shock Where maintenance can be performed without power ap plied the power should be removed ...

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Page 55: ... or the technician may verify a suspected problem by running a selected test A troubleshooting aid of the hp 35601A test program is the hp 35601A control sub program SWITCH SWITCH is used in conjunction with a computer to control the various switches and relays in the hp 35601A Any configuration of signal paths may be created using this ability Six Service Groups comprise the circuit documentation...

Page 56: ...ge is present within this instrument To prevent electric shock use care when working in the vicinity of the power supply p o Al board and when working near the front panel power switch Before applying ac linepower to the hp 35601A be sure that the VOLTAGE SELECTOR switches are set for the proper line voltage and the correct linefuse is installed in the rearpanel FUSE holder The hp 35601A contains ...

Page 57: ... Voltmeter I Oscilloscope I Counter I Signature Analyzer I 50ftTermination J 2 HP IB Cable I 5 BNC Cables I I 2 BNC T I I _J I Critical Specifications HP IB Capability HP IB Controllable 10MHz Reference HP IB Controllable 75MHz Bandwidth lOOMHz 1 1 Recommended 1 hp Model No hp part number 35601 10001 hp part number 35601 10006 hp part number I 35601 10011 hp 9836 or J hp 9845B with I hp 98034A hp ...

Page 58: ...he next paragraph 6 6 Connect The Instruments The following connections should be made before beginning the automatic testing 1 Connect one end of a HP IB cable to the hp 9836 computer HP IB connector or set the HP IB interface hp 98034A to select code 7 and plug the interface into a receptacle in the back of the hp 9845B computer 2 Connect the other end of the HP IB interface cable to the HP IB i...

Page 59: ...ift K6 I I KO K1 K2 K3 I K4 K5 K6 K7 K8 K9 K10 K11 K12 K13 K15 Shift K11 Description Perform Tests Automatically sequentially Bypass Path Test 2MHz Lowpass Filter Test x100 Amplifier Test Pads in Tracking Generator Input Path Adaptive Coupler Test Digital to Analog Convertor Test Output Attenuator Test Wein Bridge Oscillator Test 3582 Noise Input to Summing Junction Test Tracking Generator Input t...

Page 60: ...echnician in troubleshooting the hp 35601A by setting internal switches relays at tenuators and amplifiers to obtain alternate signal paths The INITIALIZE PROGRAM CHOOSE HF LF MENU entry provides access to the alternate high frequency or low fre quency menu routines from the displayed menu NOTE If you are beginning the tests and adjustments procedures on an instrumentfor thefirst time i e for init...

Page 61: ...ow the instructions displayed on the computer mat if the Test Fails After determining that the test equipment was connected properly determine which relay is bad This can be accomplished using a scope to see at which relay the input signal is not pre sent Also SWITCH subprogram could be used to open and close the relays while checking the continuity of each relay Refer to Service Group Two for sch...

Page 62: ...st passed one of the following is probably at fault Relay K1 K2 K8 K9 or Kll The one pole lowpass filter The 60MHz lowpass filter The 2MHz lowpass filter Refer to Service Group Two for the appropriate schematic component locator and circuit S o d o T s S r r a i can aid troubleshooting these circuits Refer to the discussion e s e t X o c e d u r e s for information on using the SWITCH subprogram t...

Page 63: ...3455A voltmeter and the dc offset is adjusted for zero volts The program allows the user to cycle through these procedures repeatedly to ensure proper adjustment Initializing the x100 Amplifier Test With the High Frequency Menu displayed press SFK K3 to initialize the test After in itialization follow the instructions displayed on the computer What if the Test Fails Assuming that the previous test...

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Page 65: ...T OSCILLOSCOPE n NOTE Turn off hp 3455A for adjustment of A4R70 A4R67 Adjustment 332S SIG NAL i son 5Q 1 I TERMINATION OUTPUT V J l O 35601 o o 1 O 500 INPUT 3455 1 1 2 WIRE FRONT PANEL Adjustment locations bottom view of hp 35601A Figure 6 3 xlOfl Amplifier Test xlOO Amplifier Test 6 11 6 12 ...

Page 66: ...sting The program prints the final results of the test the Test initialize the test After in With the High Frequency Menu displayed press SFK K4 to irul itialization follow the instructions displayed on the computer What if the Test Fails Assuming that the previous tests have passed and that the equipment is properly connected one of the input pads or relays K3 4 5 or 7 is probably at fault Refer ...

Page 67: ... adjusted using A3R304 If the adjustment can be made the test passes and the results are printed Inltiafizhig the Test With the High Frequency Menu displayed press SFK KS to initialize the test After in itialization follow the instructions displayed on the computer What H tha Test Fails Assuming that the previous tests have passed and that theequipment is properly connected one of the switches S8 ...

Page 68: ... Test Falls Assmntag that the correct digital control is provided for the DAC the most probable cause for not being able to make this adjustment is failure of the DAC or failure of the Summing Junction Use the SWITCH subprogram to vary the voltage output of the DAC the measured voltage of the IMO OUTPUT TO 3585A should vary accordingly white doing this If no voltage change occurs use a probe and a...

Page 69: ...test after the first reading if the test appears to be failing The program prints the results of the test Initializing the Test With the High Frequency Menu displayed press SFK K7 to initialize the test After in itialization follow the instructions displayed on the computer What if the Test Fails Assuming that the DAC test passed the only probable causes of failure are one of tte buf fers the freq...

Page 70: ...e Test With the High Frequency Menu displayed press SFK K8 to initialize the test After in itialization follow the instructions displayed on the computer What if die Test Fails Assunung that the DAC test and the Output Attenuator test passed the only probable causes of failure are the switch S4 or Wein Bridge Oscillator SWITCH can be used to open and close S4 this should be done while checking the...

Page 71: ...est if the test appears to be fail ing The program then prints the results With the High Frequency Menu displayed press SFK K9 to initialize the test After in itialization follow the instructions displayed on the computer What if the Test Fails Assuming that the previous tests h ve passed the only probable cause of failure is the switch SI This can easily be checked using SWITCH and a voltmeter Re...

Page 72: ...th The results are pruned Initializing the Test With the High Frequency Menu displayed press shift SFK KO hp 9836 or SFK K10 hp B to inWdire the test After initialization follow the instructions delayed on the computer What if the Test fails Groups 2 and 3 for schematics and component locators Equipment Set Up 1 TRACKING I GENERATOR INPUT NIT Figaro 6 10 Tracking Generator Input to Summing Junctio...

Page 73: ...ooses to con tinue the program the test is completed and the results are printed Initializing the Test With the High Frequency Menu displayed press shift SFK Kl hp 9836 or SFK Kl 1 hn 9845B to initialize the test After initialization follow the instructions displayed on the computer What if the Test Fails sf SSLJSS leStS have passed o n l v Pr o b a b l e rause of failure is the switch f P i SWITC...

Page 74: ...ms the output level for each gain step In the next part of the program the user is asked to zero the DC offset of the 12dB Amplifier and gain stages Finally the pro gram prints the results of all the tests Initializing the Test With the High Frequency Menu displayed press shift SFK K2 hp 9836 or SFK K12 hp 9845B to initialize the test After initialization follow the instructions displayed on the c...

Page 75: ...y 0 40 M H 2 son I INPUT 1 1NPUT Out Of Lock Check INPUT0 0 40 MHZ son INPUT NPV BW1BQ Gain Step Measurement and A4R38 Adjustment A4R38 Location Top View of hp 35601A Figaro 6 12 Programmable Gain Steps Test Programmable Gain Steps Test 6 29 6 30 ...

Page 76: ...s measured using the 345SA at 5MHz 10MHz 15MHz and 20MHz The program then prints the results the Test With the High Frequency Menu displayed press shift SFK K3 hp 9836 or SFK K13 hp 9845B to initialize the test After initialization follow the instructions displayed on the computer What if the Test fails Assuming continuity exists in the signal path of this test a failure in dc offset b almost cer ...

Page 77: ...ter in this test all readings are user verified The results are printed Initializing the Test With the Low Frequency Menu is displayed press special function key SFK Kl to initialize the test After initialization follow the instructions displayed on the computer What if the Test Fails If the frequency reading at A3TP205 is incorrect check the following circuits Q200of the 25 block Q302 of the 10MH...

Page 78: ......

Page 79: ... Measurements NOTE1 A 10 MHz reference oscillator must be connected to the hp 35601A rearpanel 10 MHz Reference Inputfor this test NOTE 2 Use a cable of one foot or less in length when connecting the hp 3455 Voltmeter to A3TP202 to avoidadding the effects ofex cess capacitance to the measurement NOTE 3 Unsolder and remove the shield covering A31203 to adjust A3L203 With the shield removed the volt...

Page 80: ...he VCO tuning range is adjusted this is done with L12 closed The test passes if the adjustments can be made The results are printed Initializing the Test With the Low Frequency Menu displayed press SFK K2 to initialize the test After initializa tion follow the instructions displayed on the computer What if the Test Fails Assuming the previous tests have passed the most probable cause of failure wi...

Page 81: ...tly Adjusted Tuning Slope 10 Hi V at A3TP124 Adjusted Tuning Slope Ita V at AJTPJ24 ChA 2V dW Center Co B jV div Bottom a l I S i z 0 0 1 jr B g H 0 t r R324 Figure 6 1S Voltage Controlled Crystal Oscillator Test Voltage Controlled Crystal Oscillator Test tf 35 ...

Page 82: ...ments can be made the test passes The results are printed Initializing the Test If the Low Frequency Menu is displayed press special function key 3 to initialize the test If the High Frequency Menu is displayed press special function key 15 then select the Low Frequency Menu and finally press special function key 3 After initialization follow the in structions displayed on the hp 9845B What if the...

Page 83: ... hp JMOIA AJTP1W Band Past Rlier Shape ChB JV div dc Coupled mIhc iransUion of the SS B SS sE S i B E f i r a 0SE _J TP106 L107 L111 Figure 6 16 350WU Bandpass Filter 350kHz Bandpass 6 37 6 38 ...

Page 84: ...ayed press SFK K4 to initialize the test After initializa tion follow the instructions displayed on the computer What if the Test Fails Assuming the previous tests have passed the most likely cause of failure would be the 50kHz Lowpass Fdter the X20 Amplifier or the X5 Amplifier of either channel Isolation of the failure should be straightforward because each test checks the operation of only one ...

Page 85: ...itializa tion follow the instructions displayed on the computer What if the Test Fails Assuming the previous tests have passed the most likely cause of failure is one of the Switchable Lowpass Filters SWITCH can be used to check the operation of the control lines for the filters Refer to Service Group One for schematics component locators and circuit descriptions Example Wave Shapes Channel A 100 ...

Page 86: ......

Page 87: ...pBtode ChA 2mV ffv ChB SV di hp 332SA I S 0 to 20 Hz Sweep Mvker AmpStade Equipment Set Up J o 3S601 O o o o TINPUT FROM 7fc 3582 NOISE _ A OUTPUT TO 3582 A CHANNEL Channel A Filter Measurement O 35601 O o o d CHA O Lid Figure 6 18 Switchable Lowpass Filters Test Channel B Filter Measurement Switchable Lowpass Filters Test 6 41 6 42 ...

Page 88: ...t With the Low Frequency Menu displayed press shift SFK K6 to initialize the test After in itialization follow the instructions displayed on the computer What if the Test Fails Assuming the previous test have passed the most likely cause of failure is the X5 Amplifier dc offset adjustment circuit or switchable LPF tow pass filter circuit Refer to Service Group One for schematics component locators...

Page 89: ...1 O O Clb 0 TP7 U32 I j U33 I c U34 C13 C 1 4 R 1 5 CR13 CR14 C l 8 5 0 O CR17 C R 7 C R 1 6 R 1 3 CR18 CR8 CR9 EJ FZ C R 1 1 C R 1 2 L I a a a a 356QI 1C A l h p Part No 35601 66501 Signature Analyzer set up START positive edge connect to TP1 ATN STOP negative edge connect to TP1 ATN CLOCK negative edge connect to TP4 DAV 6 44 ...

Page 90: ... working be ore this test can be of any use eTest VDAlk iIB INTERFACE 03S601 6SS01 a With the Low Frequency Menu displayed press SFK K7 to initialize the test After initializa tion follow the instructions displayed on the computer This test will not be initialized in the automatic mode What if the Test Fails If this test fails check the circuitry around the faulty signatures If the handshake circu...

Page 91: ... 0 GAIN1 dB 0 GAIN2 dB 6 LEADLAG FILTER 0 ATTEN1 0 ATTEN2 i FO SWITCH options can now be accesed through the use of special function keys or the en try of a command string Special function key assignments and entry of a command string are covered in the following sections 6 31 Special Function Keys The special function keys assignments used in the SWITCH subroutine permit each switch relay amplifi...

Page 92: ......

Page 93: ...puter display is updated to show the present output voltage of the DAC K3 Change Gainl This key affects the gain of the 0 28dB Amplifier When the calculator prompts the user to enter a number a multiple of 4 from 0 to 28 should be entered followed by pressing CON TINUE The hp 9845B will change the gain to the value entered and update its display to reflect the change K4 Change Gain2 This key affec...

Page 94: ...t be entered A command simply consists of the switch number shown in the block diagram in Figure 6 19 for a particular switch The possible switch numbers are shown in Table 6 4 When a SWITCH command is entered and continue is pressed the command is displayed A displayed command with the prefix K S or L indicates that the correspond ing switch or relay is in the state opposite to that shown in the ...

Page 95: ...0MHz VCXO to 350kHz An integrator can be switched into the loop forcing the mixer output to a nominal zero volts DC The signal from the mixer represents the phase fluctuations of the IF signal The signal can then be spectrum analyzed with the hp 3582A The 350kHz driving the mixer is also 90 degrees phase shifted and used to drive a second mixer The output of the second mixer represents the amplitu...

Page 96: ...e VCXO is a grounded base oscillator the center of the tuning range is controlled by the bias on varicaps CR300 CR303 This bias is set by adjusting R367 The width of the tuning range is varied by changing the gain in the last amplifier of the Loop Shaping Control U300b with R360 The purpose of these adjustments is to make a zero volt control voltage correspond to a 10MHz output from the oscillator...

Page 97: ... has a frequency response compensation for the roll off of the 350kHz IF of the hp 3585 This compensation corrects the amplitude response when measuring sideband noise The bypass path and the output of the X5 Amplifier join at the input of the Low Pass Filters The output of the Adaptive Coupler also joins Channel B at this point L6 connects Channel A and Channel B 6 45 Lowpass Filters Each Lowpass...

Page 98: ...Service Model 35601A 6 52 ...

Page 99: ...SQQB i ar a BJl w 3f r S 9 M S I g _ r f 7 B L I S 3 B t K5 g l m f IB s r ffl 5 r s o ram 1 4 i E U 55M MOT EBB _ J 1 P lJ i F l y h p Crt NQ 3SS01 66S03 Refer to Appendix B for IC tf Figure 6 21 A3 Schematic and Component Locator Revision B 6 5 1 6 54 ...

Page 100: ...aveshapes to be valid LI 3 must ba driven high turn on state is low This Is done most easily using SWITCH See paragraph 6 28 for instructions on using SWITCH Refer to the Service Group text for disassembly Refer to Appendix 8 for IC diagrams a m j wfo Figure 6 22 A3 Schematic and Component Locator Revision B 6 55 6 56 ...

Page 101: ...r fS 8SM J y050Z rsusiiz _JJVJ c hsjssoz SS fsjwoi i i T tt usoi P5 jvsgu 1KSU500 V 1500 i S03 _S 6uH CS03A tI09 fb T i l I C 7 0 4 I j si f 30 m OIS4tO TO S MW W 0 W1 u imsiti to w o i _ TO B4MUC1 u mstui T O U M TO ansa i TO 04fl7tt TO 0 S I TO I H R I U I C IMOSItCI TA tf HtUimn ai _ TO etnui i H04UI feensui 4 4 tOQMH C M S MBit 1 I r lot CSM nta LZ00 not an C4014 L40S W 3 5C j 5V 1306 4 S uH C...

Page 102: ...h is not critical to the accuracy of the measurement so no compensation is made for the insertion loss 6 47 DETAILED DESCRIPTION OF THE A4 BOARD 6 48 Input Mixers The inputs used for high frequency Phase Noise measurements are either of two high fre quency doubly balanced mixers Ul or U2 Ul is preceded by coupling capacitors C1 C4 on each of its two inputs The capacitors protect the mixer against ...

Page 103: ...ector measurement frequencies below 95MHz The 2MHz filter has a complemen tary highpass filter connected in parallel with it power at frequencies over 2MHz is dissipated in R34 The output of the 2MHz Filter is fed to relay KU in the normal path i e K11B is normally closed and K14B is normally open The signal then goes through K12 to the hp 3585A This path is used for all calibration measurements f...

Page 104: ...for use by the software 6 55 Armstrong Modulator Related Paths If K5 is left in its normally closed position and if K3 K4 and K2 are actuated then a signal from the Armstrong modulator is sent to the hp 3585A The Armstrong modulator signal is used for flatness checks of the Noise Sideband measurement mode J2 and J9 on the High Frequency Board A4 receive signals from the PhaseLocked Loop Control Bo...

Page 105: ...e front panel these are normally hidden by the trim strips The front panel assembly should now be easily removable the various cables will still be attached of course 3 The A5 board should be removed by sliding it off the plastic retaining pins and the con nector that joins it to the A4 board 4 Remove the screws securing the stainless steel cover to the back of the front panel assembly 5 Now that ...

Page 106: ... it lil il f i 1 i i 1 M w i J MM Ymr tTT i r iiAUii COftRIGHI 1981 8 HtVirrT PACKAHO COWAN Refer to Appendix B for IC diagrams and truth Figure 6 24 A4 Schematic and Component Locator 6 63 6 64 ...

Page 107: ...feedback resistance for U14 This provides eight gain steps from 6dB to 20dB in 2dB steps 6 63 5 Volt Detector and Integrator Following the 6 20dB Amplifier a comparator circuit detects if the input or output of the in tegrator U15 exceeds 2 1 volts If the voltage at the input or output of U15 exceeds 2 1 volts the Out of Lock Flip Flop will be set this closes a switch around the integrator capacit...

Page 108: ...ein Bridge Oscillator U15D The Wein Bridge Oscillator operates at a frequency of approximately 1 6Hz When the phase locked loop is open sufficient gain exists in U19A for the Wein Bridge Oscillator to operate The Wein Bridge Oscillator provides a searching signal for the external oscillator When the phase locked loop closes U19 appears to the Wein Bridge Oscillator to have very low gain therefore ...

Page 109: ... This is done by the same line that controls U7B which closes phase lock loop If the phase locked loop is open the control line feeding U7B is high This causes Q3 to saturate and guarantees that the integrating capacitor is always shorted by U17D Then if the soft ware toggles the flip flop U11A the Out of Lock light will be out yet the integrating capacitor will be shorted This permits the meter t...

Page 110: ......

Page 111: ...OLLING THE hp 3B601A USING SUBPROGRAM SWITCH 8 Wi F 0RI J sJBSe f LSd J J i P ol s a U INjUlOc O T D LAG LEAD NETWORK 3fc jE rm kfe INTEGRATOR I uiTd SV DETECTOR z I 1S M ZM I 1SV j B DiGlTAL TO ANALOG CONVERTOR n s TPlZgj j S K 1 Bill CZlX R77t T t L OSCILLATION OETfCTOR IW jcRH is sici A6 4 n l LL L ia J WOK 0UT 0F L0CK FLIP FLOP mm Ah A SWFR Zfflltl V WE I N BRIDGE OSCILLATOR M PSJK fir0 1 S f ...

Page 112: ...moved 6 78 Local Operation SW3 determines the latched data as well as the latch number The most significant bit of SW3 determines whether the other bits of SW3 comprise data or a latch number When SW3 bit 8 is open i e a logic level of 1 SW3 is in the data mode when bit 8 is closed 0 SW3 determines the latch number SW1 determines whether U17 U18 and U19 select data from SW3 or the HP IB For manual...

Page 113: ...tionship of the handshake signals Figure 6 26 is a state diagram of the events in the handshake which shows the outputs of FFl and FF2 Ql and Q2 as their inputs vary The output of U33A is pin 4 and defined as MONOl The output of U33B is pin 5 and de fined as MON02 U33A is triggered by a positive going edge on pin 3 the monostable signal MONOl has a period of 0 5 Q sec U33B is triggered by a negati...

Page 114: ...em hang up 6 81 Addressing the A1 Board Addressing to listen occurs when the talker sets the Listen Flip Flop First the talker sets ATN true low and DI01 through DI05 to the address of the hp 35601A DI06 is set true and DI07 is set false this is HP IB convention The Al Board compares the data on the Dior through DI05 to the address of the hp address This is accomplished with U23 and U31 which also...

Page 115: ...Service Model 35601A STARTUP _ i _ Q 1 Q 2 1 DAV DAV DAV ATN LADS U33 is positive edge triggered RFD 1 DAC 0 RFD 0 DAC 0 RFD 0 _ DAC Q2 M2 CL 0 Q2 1 Figure 6 26 Flowchart for A1 Handshake Circuitry 6 74 ...

Page 116: ... Check address flip flop FF3 U25 pin 8 for a low 3 Ensure that Ql is high and Q2 is low 4 Check that the ADDRESSED indicator on the front panel is off c Ensure that the addressflip flop FF3 will set and that the handshake works by doing the following 1 Set the HP IB address switches to 00001 2 Ground DIOl DI06 DAV and ATN 3 Check that Ql is low and Q2 is high changed states 4 Check that NRFD is lo...

Page 117: ...ing up all of the black re tainer pins After this the board may be placed vertically for ease of testing by rotating the board toward the back of the instrument and inserting the bottom edge and the side edge in to the plastic holders provided You may desire to remove a few cables to facilitate the rotating of the board ...

Page 118: ...r ss i H i m CEJ SFCS GE GD 3 f H I T GE I S tiD sp ra eg HE GE 5 GD LX GD h p P rt No 3SSQ1 6SS01 Bfor IC NOTE COPTRTGHT 1381 BY H M E T T P A C K A T O COHPANT 35501 l A l l Figure 6 28 Al Schematic and Component Locator with Digital Signature Analysis V ...

Page 119: ...CED m c o 6 CED CE1 ED 4 qE i DED B k g 5ST1 T 133 i i t i Al P rt Ma 3S60t 6SS01 Refer to the Service Group text for disassembly instructions to access this circuit board Refer to Appendix B for IC diagrams and truth G0 ffU6riT 1981 BX tem TT mCKARD COMPANY Figure 6 29 Power Supply Revision A 6 79 6 80 ...

Page 120: ... a 16dBm reference output for the hp 3047 system It also provides a lOdBm 10MHz signal for the Armstrong Modulator and it provides a 3dBm signal which is used by the hp 35601 A3 board in the Narrow Band Analysis mode REMOVING THE A6 BOARD FOR SERVICING When servicing is required the A6 board may be accessed by removing the cover of the shielding box labeled 10MHz Switching 6 81 6 82 ...

Page 121: ... r i iasam al sss s hi rfmm u A6 f Y 3S601 CC h p P rt No 35601 66506 R V M ore the Service Group tart for dlseeaemWy instiuctiortt to access this circuit boafd Refer to Appendix B for IC diagram and truth tables ...

Page 122: ...ummed with the 90 degree shifted 10MHz In this case the output of the power combiner is the output of the A7 board If a PM spectrum is desired using a 10MHz source the following happens The 10MHz ini tially goes through the 90 degree power splitter One of the 10MHz signals goes through the doubly balanced mixer and is mixed with the hp 3582 noise source The suppressed carrier output of the mixer i...

Page 123: ...01 SCS07 LIB I A1J4 f J4 U 3 F 4 3 r CONTROL 3592 1NOISE 1HPUT IlOHHtl INPUT I LIS v 1 sv L tQ mx QUADRATURE HVOftTTT A 13 5SuH RS 100K w JTCR2 S K 0OU8LE BALANCED MIXER Fv i33T Jm C9n M 7 J p f a j POWER COMBINER I S6UH4 C7 At 1 7 ES 3 S f Tt33pf fS3 8 fS3 S J t I 4 23d8 PAO SWITCHING L 4 7 t 17 4 7 j r rf CIS 1 W Ct 4 4 COPVfUCHT 1361 ST HEWLETT PACKARD COHPAHT 35601 7A Aft Ptt OUT Figure 6 31 A...

Page 124: ...determine the states of the bits in the latch selected in the previous step when SW2 is switched to the load position and back See Table A 1 following this discussion for the function of each bit in the latch This may be a difficult step x because in order to change only one bit in a latch the previous states of the other six bits must be entered in addition to the state of the changed bit In othe...

Page 125: ...atch Ref Desig A1 board U11 U5 U5 U5 U12 U12 U12 U10 U10 U10 U11 U11 U5 U11 U1 U5 U12 U12 U11 U11 U4 U4 U8 U1 U8 U1 U8 U1 U8 U1 U1 U8 U8 U9 U9 U1 U9 U1 U9 U9 U9 U8 m SWITCH Function L13 L14 L15 L16 L17 L18 L19 L20 L21 DAC Bits 0 1 2 3 4 5 6 7 positive negative GAIN1 Bits 0 1 2 GAIN2 Bits 0 1 2 LEAD LAG Bits 0 1 2 ATTEN1 Bits 0 1 2 3 ATTEN2 Bits 0 Loaded Latch SW3 OXXX1000 OXXX1000 OXXX1000 OXXX011...

Page 126: ...EO WHEN K 1 0 C S 3 ARE ACTIVATCO WHEN K t K Z K 1 3 HAVE SELECTEO THE CORRECT INPUT PATH WHEN THE CAINS HAVE BEEN S E T AND IMEN USER OSCILLATORS HAVE BEEN CONNECTEO ANO ADJUSTEO FOR HICH FRCO PHASE NOISC MEASUREMENT N P H A S E L O C K E D L O O P Figure A l 35601A Block Diagram A 3 A 4 ...

Page 127: ...E G1 G2 X H L X H L H L H L H L H L H L H L H L 1 fc fir X L L L L H H H H SELECT B X X L L H H L L H H A X X L H L H L H L H 1 YO W H L H H H H H H H Y1 H H H L H H H H H H Y2 H H H H L H H H H H OUTPUTS Y3 H H H H H L H H H H Y4 H H H H H H L H H H Y5 H H H H H H H L H H Y6 TT H H H H H H H L H Y7 FT H H H H H H H H L A1 Board U 1 7 hp part number 1 8 2 0 1 4 4 4 mfr part number SN74LS298N OUTPU...

Page 128: ... number 1820 1419 mfr part number SN74LS85N DATA INPUTS A2 A1 81 AO JlHJ U71finflilRlRUTl_ I I I I I I A1 81 AO T l niiijjiiniJUJiiJUJiir O P T A A A A A N P U T CASCADE INPUTS OUTPUTS A3 B3 A3 B3 A3 B3 A3 B3 A3 B3 A3 B3 A3 B3 A3 B3 A3 B3 A3 B3 A3 B3 COMPARING INPUTS A2 B2 X X A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A 2 B2 A1 B1 X X X X A1 B1 A K B 1 A1 B1 A1 B1 A1 B1 I A1 B1 AO BO X X X X X X A...

Page 129: ...SEQUENCE COUNT 0 1 2 3 4 5 6 i 7 8 8 I I OUTPUT Qd Qc L L L L H H H H i H L H I L I I Qb L L H H L L H H L L fOa T H L H L H L H L H RESET COUNT FUNCTION TABLE R0 1 H H X X L L X I BESET INPUTS R0 2 H H X L X X L 1 R9 1 L X H X L X 1 L 1 1 R9 2 x L H L 1 X L X 1 QD L L H OUTPUTS QC L L L nsr L L L CLEAR CLEAR CLEAR CLEAR 1 ru i i H 9 2 j a O 0 11 R 0 2 jiiD ...

Page 130: ...Appendix B Model 35601A A3 Board U202 U203 hp part number 1820 1277 mfr part number SN74LS192N UP S COUNT W OUTPUT J2I CARRY B 4 ...

Page 131: ... 1 P O Box 72 A 1222 VIENNA Austria Tel 222 2365110 Telex 1 3 4425 HEPA A NORTHERN EUROPE Hewlett Packard S A Uilenstede 475 P O Box 999 NL 1180 AZ AMSTELVEEN The Netherlands Tel 20 437771 SOUTH EAST EUROPE Hewlett Packard S A 7 Rue du Bois du Lan CH 1217 MEYRIN 2 Switzerland Tel 022 83 12 12 Telex 27835 hpse Cable HEWPACKSA Geneve OTHER EUROPE Hewlett Packard S A P O Box 150 Rte du Nant D Avril C...

Page 132: ...E HEWLETT PACKARD HP Part No 35601 90001 Printed in U S A ...

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