Errata Title & Document Type: 5382A Frequency
Contents
1. Connect the rear panel MONITOR OUTPUT connector to the 5326C 011 jack d Set the 5326C 011 FUNCTION switch to FREQUENCY and the TIME BASE switch to 10s e At 25 C ambient temperature adjust the rear panel oscillator ADJ control until the fre quency displayed by the 5326C 011 is the same as the frequency printed on the TCXO for example 10 MHz 4 4 Hz f Remove ac power from the counter disconnect test equipment and install the counter in the top and bottom covers 3 42 TROUBLESHOOTING 3 43 Malfunctions of the counter circuits produce several symptoms of trouble The trouble shooting flowchart of Figure 3 2 lists these symptoms and provides a sequential test to isolate the trouble to a component or small group of components To troubleshoot the counter find the ob served symptom at the top of the flowchart and perform the indicated circuit checks 3 44 Additional information in the form of a timing diagram Figure 3 4 and waveform illus trations with the schematic diagram is provided to aid troubleshooting 3 45 REPLACEABLE PARTS 3 46 Table 3 3 lists parts used in the counter in alphanumeric order of their reference desig nations and provides the following information for each part Miscellaneous parts are listed at the end of Table 3 3 a Hewlett Packard part number b Description of part see abbreviations below c Total quantity used in the instrument shown only after the first entry for a2. DIODE OF DECADE CIRCUIT OPERATION BY OBSERVING VOLTAGES AND WAVEFORMS SEE SCHEMATIC DIAGRAM 10 MHz OSCILLATION PRESENT AT A1UA 6 POWER SUPPLY VOLTAGES CORRECT CHECK ASSOCIATED REGULATOR OR ZENER REFERENCE CHECK OPERATION COUNTERS AND LATCHES A1U9 URS U14 A1U15 COUNTE RESET M GATE TI IS CHAN CHECK O OF MRFF A1U13A 10 RSTB Hi CHECK 106 ASSOCIA COMPON CHECK A1Y1 ASSOCI COMPOI START DISPLAY IS ALL ZEROS UNIT WON T COUNT SIGNAL YES YES ITRY DF THE RS AND OR THE RCUIT NUMERICAL INKS TO IISPLAY LID EXTER ING AN ROM HRU 3 THE DD ALLY SENTED NES AT DS THE IT OF DECADE TCH TES BY OBSERVING VOLTAGES AND SCHEMATIC DIAGRAM IS OG is A1U TOGGLING AT RATE OSCILLATION A1U4 14 DETERMINED BY PRESENT AT RSTB ALWAYS GATE TIME A1U4 6 HIGH SWITCH gt CIRCUIT OPERATION WAVEFORMS SEE BE SURE THAT OSCILLATOR EXT INT SWITCH 15 SET TO INT STD UNIT ONLY COUNTER WON T RESET WHEN GATE TIME 15 CHANGED CHECK OPERATION OF MRFF A1U13A A1U13B CHECK OPERATION OF A1U6A AND ASSOCIATED COMPONENTS ARE CHECK CRYSTAL POWER Y1A SRARERI COMPONENTS CHECK ASSOCIATED REGULATOROR ZENER REFERENCE DIODE CHECK OPERATION OF DECADE COUNTERS AND
3. The series num ber identifies the electrical characteristics of the complete printed circuit assembly A replace ment circuit board assembly may have a different series number than the assembly originally supplied with the instrument Therefore when troubleshooting a circuit board assembly ensure that the series number on the schematic diagram matches the series number on the board assem bly If the series number on the assembly is lower than the number on the schematic diagram in Section III refer to backdating information in this manual for change information If the series number on the assembly is higher than the number on the schematic diagram the change infor mation is provided in a manual change sheet which is available from the nearest Hewlett Packard Sales and Service Office Figure 1 1 Model 5382A Frequency Counter Model 5382A General Information 1 8 SPECIFICATIONS 1 9 Table 1 1 lists all specifications of the frequency counter Table 1 1 Specifications Frequency Range 10 Hz to 225 MHz Display 8 Digit LEDs Input Impedance 1 MQ lt 40 pf Sensitivity 25 mV rms sinewave 30 Hz to 10 MHz 50 mV rms sinewave 10 Hz to 225 MHz Input Attenuator Three Position x1 x10 x100 Maximum Input Levels DC to 40 Hz 200 V dc Peak ac ATTENUATOR 40 Hz to 100 kHz 250 V rms al 100 kHz to 5 MHz 2 5 x 107 V Hz gt 5 MHz 5 rms DC to 40 Hz 200 V dc Peak ac ATTENUATOR 40 Hz to 1 MHz 250 V rm
4. ALL OTHER EUROPEAN COUNTRIES CONTACT Hewlett Packard S A Rue du Bols du Lan 7 0 Box 85 CH 1217 Meyrin 2 Geneva Switrerland Tet 022 41 54 00 Cable HEWPACKSA Geneva Telex 2 24 86 TAIWAN Hewlett Packard Talwan 39 Chung Shiao West Road Sec 1 Overseas Insurance Corp Bldg 7th Floor Taipei Tel 389160 1 2 375121 Ext 240 249 Telex 2 HEWPACK Cable HEWPACK Talpel THAILAND UNIMESA Co Ltd Chongkoinee Building 56 Suriwongse Road angkok Tel 37956 31300 31307 37540 Cable UNIMESA Bangkok UGANDA Uganda Tele Electric Co Ltd P 0 Box 4449 Kampala Tel 7279 Cable COMCO Kampala VIETNAM Peninsular Trading Inc Box H 3 216 Hien Vuong Saigon Tel 20 805 93398 Cable PENTRA SAIGON 242 ZAMBIA R J Tilbury Zambia Ltd P 0 Box 2792 Lusaka Zambia Central Africa Tel 73793 Cable ARJAYTEE Lusaka MEDITERRANEAN AND MIDDLE EAST COUNTRIES NOT SHOWN PLEASE CONTACT Mewlett Packaro Co ordination Office for Mediterranean and Middiu East Operations Piazza Marconi 25 140144 Rome Eur Italy Tel 6 59 40 29 Cable HEWPACKIT Rome 61514 OTHER AREAS NOT LISTED CONTACT Hewlett Packard Export Trade Company 3200 Hillview Ave Palo Alto California 94304 Tel 415 326 7000 Feb 71 493 1501 TWX 910 373 1267 Cable HEWPACK Palo Alto Telex 034 8300 034 8493 HEWLETT PACKARD MANUAL PART NUMBER 05382 90001 MICROFICHE PA
5. SH MET 6 32 63 STL CD PL C8599 632 248 9100 1620 COIL MOLDED RF CHOKE 15UH 10 15 152 1853 0318 TRANSISTOR PNP SI CHIP PD 500MW 1853 0318 1853 0318 TRANSISTOR PNP SI CHIP 500 1853 0318 1853 0318 TRANSISTOR PNP SI CHIP PD 500MW 1853 0318 1853 0318 TRANSISTOR PNP SI CHIP PD 500MW 1853 0318 1853 0318 TRANSISTOR PNP SI CHIP PD 500MW 1853 0318 1853 0318 TRANSISTOR PNP SI CHIP PD 500MW 1853 0318 1853 0318 TRANSISTOR PNP SI CHIP PD 500MW 1853 0318 1853 0318 TRANSISTOR PNP SI CHIP PD 500MW 1853 0318 0683 4705 RESISTOR 47 OHM 5 25 TUBULAR C84705 0683 4705 RESISTOR 47 OHM 5 25 CC TUBULAR CB4705 0683 4705 RESISTOR 47 OHM 5 25W CC TUBULAR CB4705 0683 4705 RESISTOR 47 CHM 5X 25 TUBULAR C84705 0683 4705 RESISTOR 47 5 25 TUBULAR C84705 0683 4705 RESISTOR 47 5 25W TUBULAR 4705 0683 4705 RESISTOR 47 53 25 TUBULAR CB4705 0683 4705 RESISTOR 47 53 254 TUBULAR CB4705 0683 4705 RES 15708 47 5X 25W CC TUBULAR C84705 0683 4705 RESISTOR 47 5 254 CC TUBULAR C84705 0683 4705 RESISTOR 47 5X 25W CC TUBULAR CB4705 0683 4715 RESISTOR 470 5 254 TUBULAR CB4715 0683 4715 RESISTOR 479 5 25W TUBULAR CB4715 0683 4715 RESISTOR 470 5 25 TUBULAR CB4715 0683 4715 RESISTOR 470 OHM 5 25 CC TUBULAR CB4715 0683 4715 RESISTOR 470 5 25 TUBULAR CB4715 0683 4715 RESISTOR 470 OHM 5 25 CC TUBULAR CB4715 0683 4715 RESISTOR 470 OHM 5 25 TUBU
6. This manual with enclosed Manual Changes sheet applies to HP Model 5382A Frequency Counters having serial number prefixes as listed on the Manual Changes sheet Copyright HEWLETT PACKARD COMPANY 1974 5301 STEVENS CREEK BLVD SANTA CLARA CALIF 95050 Printed MAY 1974 MANUAL PART NUMBER 05382 90001 MICROFICHE PART NUMBER 05382 90002 PRINTED IN U S A HEWLETT jy PACKARD Model 5382A Table of Contents Section I II III ii TABLE OF CONTENTS Title GENERAL INFORMATION Tei rodu CO ape e emot cce tee ot etenim Spe IESUS ING 1 3 Instrument Description nn 1 5 Instrument Identification 1 8 Specifications INSTALLATION AND OPERATION DE FURAN OBE GINS errante OI 2 3 Unpacking and Inspection 2 2 5 Storage and Shipment nn 2 8 Line Voltage Selection 2222124 0 2 11 Operation nc 2 13 Cable and Termination Requirements 2 15 Ratio Measurements Standard Counter Only 2 18 Optimizing Noise Rejection eee eee eee nee MAINTENANCE sviene dad a GET se SS RESA 3 3 Theory of Circuit O
7. Tokyo Tel 03 370 2281 92 Telex 232 2024 Cable YHPMARKET TOK 23 724 Yokogawa Hei Packard Ltd Nisei Ibaragi Bidg 22 8 Kasuga Ibaragi Shi Osaka Tal 0726 23 1641 Telex 5332 385 YHP OSAKA Yokogawa Hewlett Packard Ltd Nakamo Building 24 Kamisasazima cho Nakamura ku Nagoya City Tet 052 571 5171 Yohogawa Hewlett Packard 110 Nitto Bldg 2 4 2 Shinohara Kita Kohokw ku Yokohama 222 Tel 045 432 1504 Telex 382 3204 YHP YOK Yokogawa Hewlett Packard Ltd Chuo Bldg Am 603 3 2 Chome IZUMI CHO Mito 310 Tel 0292 25 7470 KENYA Kenya Kinetics Box 18311 Nairobi Kenya Tel 57726 Cable PROTON KOREA American Trading Company Korea 1 0 Box 1103 Dae Kyung Bidg Bth Floor 107 Sejong Ro Chongro Ku Seoul Tel 4 lines 73 8924 7 Cable AMTRACO Seoul LEBANON Constantin E Macridis P O Box 7213 RL Beirut Tel 220846 Cable ELECTRONUCLEAR Beirut MALAYSIA MECOMB Malaysia Ltd 2 Lorong 13 6 Section 13 Petaling Jaya Selangor Cable Kuala Lumpur MOZAMBIQUE AN Goncalves Lla 162 Av D Luis P O Box 107 Laurence Marques Tel 27091 27114 Telex 6 203 Negon Mo Cable NEGON NEW ZEALAND Hewlett Packard N Z Ltd 94 96 Dixon Street P O Box 9443 Courtenay Place 3898 Cable HEWPACK Wellington Hewlett Packard N Z Ltd Pakuranga Professional Centre 267 Pakuranga Highway Box 51092 Pakuranga Tei 569 651
8. 0 Box 1028 Makati Rizal Tel 86 18 87 87 76 77 86 88 87 18 45 88 91 71 83 81 12 83 82 12 Cable ELEMEX Manila SINGAPORE Mechanical and Combustion Engineering Company Ltd 10 12 Jalan Kilang Red Hill Industri l Estate Singapore 3 Tel 647151 7 lines Cable MECOMB Singapore Hewlett Packard Far East Area Office Box 87 Alexandra Post Office Singapore 3 Tet 633022 Cable HEWPACK SINGAPORE SOUTH AFRICA Hewlett Packard South Africa Pty Ltd P O 31716 Braamfontein Transvaal Milnerton 30 De Beer Street Johannesburg Tel 725 2080 725 2030 Telex 0226 JH Cable HEWPACK Johannesburg Hewlett Packard South Africa Bree Street Cape Town Tel 26941 2 3 Cable HEWPACK Cape Towri Telex 0006 Hewlett Packard South Africa Pty j Ltd 641 Ridge Road Durban Box 99 Overport Natal UNITED KINGDOM Hewlett Packard Ltd 224 Bath Road GB Sleugh 511 4 DS Bucks Tel 0753 33341 Cable IPIE Slough Telex 13 Hewlett Packard Ltd Graftons Stamford New Road GB Altrincham Cheshire Tel 061 928 8526 Telex 668068 Hewlett Packard Ltd s registered address for V A T purposes 70 Finsbury Pavement London 2 15 Registered No 690597 SOCIALIST COUNTRIES PLEASE CONTACT Hewlett Packard Ges m b M Mandelskai 52 3 0 Box 7 41205 Vienna Ph 0222 33 66 06 to 09 Cable HEWPACK Vienna Telex 75923 hewpak
9. 3 INVERTER SNT404N 1820 0269 IC3DGTL3GATE SN7403N 1820 0301 IC3DGTL3LATCH SN7475N 1826 0122 IC L IN VOLTAGE REGULATOR T805UC 1826 0215 IC L IN VOLTAGE REGULATOR MC7905 2CP 0410 0405 CRYSTAL QUARTZ 10 MHZ 0410 0405 05382 60002 BOARD ASSY DISPLAY 05382 60002 60003 starke es IN OPTION 001 See introduction to this section for ordering information 3 13 Model 5382A Maintenance Table 3 3 Replaceable Parts Continued Reference Mfr Designation HP Part Number Oty Description Code Mfr Part Number 05382 60002 BOARD ASSY DISPLAY 05382 60002 0180 0106 CAPACITOR FXD3 60UF 20 6 VDC TA SOLID 1500606X000582 0140 0149 CAPACITOR FXD 470PF 5 300WVDC DM15F471J0300WV1CR 0160 0182 CAPACITOR F XD 47PF 5 300WVDC 0160 0182 0160 2254 CAPACITOR FXD 7 5PF 25PF 500WVDC 0160 2254 0160 4182 CAPACITOR FXD OLUF4 20X 200WWDC 8121 M200 X 7R 103 1901 0040 DI O0E SWITCHING 2NS 30V SOMA 1901 0040 1990 0452 DISPLAY NUM SEG 1 CHAR 3 IN HIGH 1990 0452 1990 0452 DISPLAY NUM SEG 1 CHAR 3 IN HIGH 1990 0452 1990 0452 DISPLAY NUM SEG CHAR 3 IN HIGH 1990 0452 1990 0452 DISPLAY NUM SEG 1 CHAR 3 IN HIGH 1990 0452 1990 0452 DISPLAY NUM SEG CHAR 3 IN HIGH 1990 0452 1990 0452 DISPLAY NUM SEG CHAR 3 IN HIGH 1990 0452 1990 0452 DISPLAY NUM SEG CHAR 3 IN HIGH 1990 0452 1990 0452 DISPLAY NUM SEG 1 CHAR 3 IN HIGH 1990 0452 1250 1163 CONNECTOR COAX 8NC 50 OMM FEMALE 1250 1163 1251 3768 POST CONNECT 1251 3768 0510 0076 NUT
10. 60003 TEMPERATURE COMPENSATED CRYSTAL OSCILLATOR MONITOR ourPur Tcxo sa ied REGULATOR 250 100 120 125 220 240V CH 748 1 OS gaon 20 L _ POI su nanne ce p env T cAUTION CHECK 240 PROPER VOLTAGE SELECTION 4 AI MAIN BOARD ASSEMBLY 05382 60001 SERIES 1408 05382 60003 SERIES 1408 AMPLIFIER TRIGGER e MAIN GATE CIS LEVEL TRANSLATOR 0047 pr di J 0 4 5 RSE Veg Vee R 2 36 ull DECADE COUNTER RQ RB ZI 72 74 28 ECL TTL CONV 104 TIME BASE SELECT CODES FOR SPECIFIED GATE TIMES TIME BASE SELECT CODE H th L 10 A IN IN IN INg DOWN COUNTER 2 VEC 408 5 8 0 3 o9 E eilz lg 2 ziz gz es L A2U1 BCD INPUTS 1 1 3 lt I lt 228 148 gt 838 5 9 2 lu w EVADERE imm m _ Cee RSC ADDRESS IN DRIVER DECADE COUNTER Veg Yoo ss SIX DATA OUT DECADE COUNTER DECADE COUNTER VIS u20 QUAD LATCH 5V C15 0047 cise TCH 0047 CI
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13. Frankfurt 41 32 49 Hewlett Packard Gmb Vertriebsb ro Bbblinge Merrenbergerstrasse 11 0 7030 B blingen W rttemberg Tel 07031 66 72 87 Cable B blingen Telex 72 65 739 t n Hewlett Packard GmbH Vertriebsb ro D sseldorf Vogelsanger Weg 38 D 4000 DUsseldari Tel 0211 63 80 31735 Telex 85 86 533 hpdd 4 Hewlett Packard GmbH Vertriebsb ro Hamburg Wendenstr 23 0 2000 Mamburg 1 Tel 0411 24 13 93 Cable HEWPACKSA Mamburg Telex 21 63 032 hphh d Hewlett Packard GmbH Vertriebsburo Hannover Meliendorfer Strasse 3 0 3000 Hannover Kieeteld Tel 0311 55 06 26 CYPRUS Kypronics 19 Gregorios 8 Xenopoulos Road Box 1152 CY Micesia Tel 45628 29 Cable KYPRONICS PANDEMIS ETHIOPIA African Salespower amp Agency Private Ltd Ce P 0 Box 718 58 59 Cunningham St Addis Ababa Tel 12285 Cable ASACO Addisababa HONG KONG Sehmidt amp Co Hong Kong Ltd P 0 Box 297 1811 Prince s Building 15th floor 10 Chater Road Mong Kong Tel 240168 232735 Telex HX4766 SCHMCO Cable SCHMIDTCO Hong Kong INDIA Blue Star Ltd Kasturi Buildings Jamshedji Tata Rd Bombay 400 020 Tel 29 50 21 Telex 3751 Cable BLUEFROST Blue Star Lia Sahas 414 2 Vir Savarkar Marg Prabhadevi Bombay 400 025 Tel 457301 Telex 3751 Cable BLUESTAR Blue Star Lid 14 40 Civit Lines Kampur 208 001 6 88 82 Cable BLUESTAR Biue Star Ltd 7 Mare Stre
14. INSPECTION 2 4 If the shipping carton is damaged ask that the carrier s agent be present when the instru ment is unpacked Inspect the instrument for damage such as scratches dents broken switches etc If the instrument is damaged or fails to meet performance tests notify the carrier and the nearest Hewlett Packard Sales and Service Office immediately Performance check procedures are located in Section III and Sales and Service Offices are listed at the back of this manual Retain the shipping carton and the padding material for the carrier s inspection The Sales and Service Office will arrange for the repair or replacement of the instrument without waiting for the claim against the carrier to be settled 2 5 STORAGE AND SHIPMENT 2 6 PACKAGING To protect valuable electronic equipment during storage or shipment always use the best packaging methods available Your Hewlett Packard Sales and Service Office can provide packaging material such as that used for original factory packaging Contract packaging companies in many cities can provide dependable custom packaging on short notice 2 7 ENVIRONMENT Conditions during storage and shipment should normally be limited as follows a Maximum altitude 25 000 ft b Minimum temperature 40 F 40 C Maximum temperature 131 F 55 C 2 8 LINE VOLTAGE SELECTION 2 9 The counter is supplied from the factory with the LINE VOLTAGE SELECTOR switches set for 120 volt 60
15. LATCHES A1U9 U11 A1U14 A1U15 DISPLAY DOES NOT BLANK PROPERLY CHECK OPERATION OF A1U6B A1U3A A2 41 ASSO CIATED COMPONENTS A1U4 IS PROBABLY DEFECTIVE Model 5382A Maintenance COUNTER OPERATES ONLY WITH EXTERNAL OSCILLATOR INPUT STD UNIT CHECK CRYSTAL A1Y1 AND ASSOCIATED COMPONENTS 5382 1 Figure 3 2 Troubleshooting Flow Chart 3 9 Model 5382A Maintenance 3 47 ORDERING INFORMATION 3 48 To obtain replacement parts address order to your local Hewlett Packard Sales and Service Office see lists at the back of this manual for addresses Identify parts by their Hewlett Packard part number To obtain a part that is not listed include a Instrument model number b Instrument serial number c Description of the part d Function and location of the part 3 49 SCHEMATIC DIAGRAM 3 50 Figure 3 3 defines the symbols and reference designation arrangement used on the sche matic diagram of Figure 3 6 Additional information in the form of a timing diagram Figure 3 4 a signal mnemonic definition list Table 3 5 and component locator illustrations Figure 3 5 precede the schematic diagram of Figure 3 6 REFERENCE DESIGNATIONS assembly miscellaneous elec electrical connector integrated circuit attenuator isolator trical part movable portion microcireuit termination fuse electron tube fan motor fi
16. MAXIMUM ALLOWABLE INPUT VOLTAGES AS GIVEN IN TABLE 1 1 SPECIFI CATIONS ARE NOT EXCEEDED DAMAGE TO THE COUNTER MAY OTHERWISE RESULT INPUT connector Connect the signal to be measured to the BNC type INPUT jack Input impedance is 1 0 megohm Figure 2 2 Front Panel Operating Controls Connectors and Indicators 2 3 Model 5382A Installation and Operation AUTION CHECK PROPE 1 VOLTAGE SELEC TION SERIAL NO 250 MAT 100 120V 125 mAT 220 240V 5382 2 Power connector Connect the source of ac power to the rear panel power connector Fuse A Listed 0 250 ampere slow blow fuse is required for 100 volt or 120 volt operation a Listed 0 125 ampere slow blow fuse is required for 220 volt or 240 volt operation OSCILLATOR EXT IN connector An external oscillator can be used in place of the counter s internal time base oscillator Connect the signal to the OSCILLATOR EXT IN connector and set the OSCILLATOR EXT INT switch to EXT See Table 1 1 for oscillator signal requirements OSCILLATOR EXT INT switch Set the EXT INT switch to correspond with the source of the time base oscillator signal see item 3 above OSCILLATOR ADJ control The ADJ control is used to set the frequency of the internal time base oscillator Refer to the Adjustments paragraphs in Section III for information LINE VOLTAGE SELECTOR switches Set the switches to correspond with the volt age of the ac power source Refer to Paragraph 2 8 for instr
17. Qo i OUR LIST OF TABLES Title Recommended Test Equipment In Cabinet Performance Check Replaceable Parte Ra ce Ru E RESTE Tn Manufacture Code Dat Major Signal Definitions LIST OF FIGURES Title Model 5382A Frequency Counter Power Cord Connector for 240 Volt Operation Front Panel Operating Controls Connectors and Indicators Rear Panel Operating Controls and Connectors Simplified Block Diagram Troubleshooting Flow Chart Schematic Diagram Notes Instrument Timing Diagram Component Locatore TRL Overall Schematic Diagram Model 5382A List of Tables List of Figures Model 5382A General Information SECTION GENERAL INFORMATION 1 1 INTRODUCTION 1 2 This section of the manual gives a description of the instrument information on instrument identification and available options and complete specifications 1 3 INSTRUMENT DESCRIPTION 1 4 The HP Model 5382A Frequency Counter
18. SETTINGS ARE GIVEN WITH EACH WAVEFORM 3 ASTERISK INDICATES SELECTED TEN COMPONENT AVERAGE VALUES SHOWN 06viDIv ov 5 S DIV ov SS 0lV 5 mS DIV 5V DIV 20 pS DIV ov Fl tela H H H H H H H L H H H H H we H H L H H H H H H L H H H L H h H H H H L E 5382 J 1 Figure 3 6 Overall Schematic Diagram 3 21 Figure 3 6 OVERALL SCHEMATIC DIAGRAM See Page 3 21 HEWLETT PACKARD ELECTRONIC INSTRUMENTATION SALES AND SERVICE EUROPE AFRICA ASIA AUSTRALIA AUSTRIA Hewlett Packard Ges m b H Handelska 52 3 Box 7 1205 Vienna Tel 0222 33 66 06 to 09 Cable HEWPAK Vienna Telex 75923 hewpak a BELGIUM Hewlett Packard Benelux S A N V Avenue de Col Vert 1 Groenkraagiaan 8 1170 Brussels Tel 02 72 22 40 Cable PALOBEN Brussels Telex 23 494 paloben bru DENMARK Hewlett Packard A S Tel 01 BI 66 40 Cable HEWPACK AS Telex 166 40 hp as Hewlett Packard A S Tel 06 82 71 66 Telex 166 40 hp as Gable MEWPACK AS FINLAND Hewlett Packard Oy Bulevardi 26 P O Box 12185 5 00120 Welsinkl 12 Tel 90 13730 Cable HEWPACKOY Helsinki Telex 12 15363 hel FRANCE Hewlett Packard France Quartier de Courtaboeut Bolte Postale No 6 F 91401 Orsay Tel 1 907 78 25 Cable HEWPACK Orsay Telex 60048 ANGOLA Telectra Empresa Tecnica de
19. connector use a 50 Ohm feed through at the INPUT connector and set the test oscillator to provide an output of approximately 30 mV rms at a frequency of 1 MHz d Connect ac power to the counter Be sure to observe the WARNING note in Paragraph 3 26 e Adjust potentiometer A1R42 until the oscilloscope shows that the signal at A1U11 pin 5 has a 50 percent duty cycle f Remove ac power from the counter remove test equipment and install the counter in the top and bottom covers 3 38 Oscillator Adjustment Standard Unit 3 39 Set the time base oscillator frequency as follows a Connect ac power to the counter depress the front panel LINE switch and allow 5 minutes for the oscillator to stabilize b Connect the rear panel oscillator output jack on the 5326C 011 or equivalent stable 10 MHz source to the counter s INPUT connector 3 7 Model 5382A Maintenance Set the counter s GATE TIME switch to 1s and adjust the rear panel OSCILLATOR ADJ control until the counter display indicates exactly 10 MHz Note that the actual dis play is in kilohertz 10000 000 d Remove ac power and disconnect test equipment 3 40 Oscillator Adjustment Option 001 Unit 3 41 Set the time base oscillator as follows a Remove the top and bottom covers from the counter as described in Paragraph 3 26 Be sure to observe WARNING note in Paragraph 3 26 b Connect ac power to the counter and allow 1 hour for the TCXO to stabilize
20. counter 3 32 COMPONENT REPLACEMENT When replacing a circuit board component use a low heat soldering iron Heat must be used sparingly as damage to the circuit foil may otherwise occur Mounting holes may be cleaned with a toothpick while heat is applied After component removal and replacement clean connections with a suitable cleaning solution 3 33 INTEGRATED CIRCUIT REPLACEMENT Two methods are recommended for removing integrated circuits a Solder Gobbler Solder is removed from board by a soldering iron with a hollow tip that is connected to a vacuum source The IC is removed intact so it may be reinstalled if it is later proven not to be defective b Clip Out This method is used when an IC is proven defective Clip leads close to case apply heat and remove leads with long nose pliers Clean board holes with a tooth pick and cleaning solution 3 34 ADJUSTMENTS 3 35 The counter requires two circuit adjustments 1 the input amplifier balance adjustment and 2 the time base oscillator adjustment Perform the adjustments according to the following procedures 3 36 Amplifier Balance Adjustment 3 37 Adjust the input amplifier balance as follows a Remove top and bottom covers from the counter as described in Paragraph 3 26 Be sure to observe WARNING note in Paragraph 3 26 b Connect the oscilloscope to A1U11 pin 5 on the 1 Main Board Assembly Connect the test oscillator 500 output to the front panel INPUT
21. interference round head right hand resistance inductance capacitance rack mount only root mean square round read only memory rack and panel reverse working voltage scattering parameter second time second plane angle glow hlow fuse used in parts list silicon controlled rectifier screw selenium sections semiconductor superhigh fre queney silicon silver slide signal to noise ratio single pole double throw spring split ring single pole single throw single sideband stainless steel steel square standing wave ratio avnchronize timed slow hlow fuse tantalum temperature compensating time delay terminal TFT TGI THD THRU TI TOI TRIM TSTR TWT u UF UHF UNREG VAR VCO Vde VFO VHF Vpk Vp p Vrms VSWR VTO VTVM VIX w WIV Www Wo YIG Za Model 5382A Maintenance thin film transistor toggle thread through titanium tolerance trimmer transistor transistor transistor logie television television interference traveling wave tube micro 107 used in parts list microfarad used parts list ultrahigh frequency unregulated volt voltampere volts variable voltage controlled oscillator volts de volts de working used in parts list volts filtered variable frequency oscillator verv high frequency volts peak volts peak to peak v
22. measurement When the S7 and W signals are low the Reset Enable latch resets and a new measurement cycle begins 3 22 RECOMMENDED TEST EQUIPMENT 3 23 Test equipment recommended for maintaining the counter is listed in Table 3 1 Equip ment with equivalent characteristics may be substituted for the recommended equipment Model 5382A Maintenance 3 4 Table 3 1 Recommended Test Equipment Instrument Type Required Characteristics Recommended Instrument HP 5326C 011 10 MHz frequency measurements and high stability time base Electronic Counter VHF Oscillator HP 3200B Range 225 MHz Test Oscillator Range 10 Hz to 10 MHz Output 2 5 Vrms HP 651B RF Millivoltmeter Frequency 20 MHz to 225 MHz HP 411A or HP 3406A Range 25 mV rms to 50 mV rms 50 Ohm Feed Thru 50 Ohm termination male to female BNC HP 11048A connectors Logic Probe Logic level measurements HP 10525T Oscilloscope 10 MHz measurements HP 180A 1801A 1820A 3 24 IN CABINET PERFORMANCE CHECK 3 25 Use the performance check in Table 3 2 to verify proper operation of all circuits within the counter The check should be used when improper operation or nonconformance to specifi cations is suspected 3 26 INSTRUMENT ACCESS 3 27 Most maintenance operations require that the top and bottom covers be removed from the counter Remove the covers according to the following pro
23. see Figure 1 1 is a direct counting frequency counter that has a range of 10 Hz to 225 MHz Eight display digits are provided Front panel controls allow a selection of gate times and attenuation factors of the input signal A rear panel connector and associated selector switch allow connection of an external time base oscillator This feature also allows ratio measurements to be made by the counter When the optional temperature compensated crystal oscillator is included Option 001 the switch is not provided and the connector allows external use of the 10 MHz time base oscillator Refer to Table 1 1 for all counter specifications 1 5 INSTRUMENT IDENTIFICATION 1 6 Hewlett Packard uses a 2 section 10 character serial number 0000A00000 mounted on the rear panel to identify the instrument The first four digits are the serial prefix and the last five digits refer to the specific instrument The alphabetical character identifies the country of manu facture If the serial prefix on your instrument differs from that listed on the title page of this manual there are differences between the manual and your instrument Any lower serial pre fixes are documented separately in this manual and higher serial prefixes are covered by a manual change sheet included with the manual 1 7 The printed circuit boards within the instrument are identified by a 2 section 10 digit part number e g 05382 60001 and a 4 digit series number e g SERIES 1404
24. 3 not mounted on Assembly 25 J2 mounted on Rectifier Assembly A25 Assembly Numbers indicate Part of A25 Pins of J2 NI J2 6 3V supplied from J3 to Pin 6 3 of PI on Transformer Assembly A5 Terminal Numbers 2 5 Figure 3 3 Schematic Diagram Notes 3 16 Model 5382A Maintenance Table 3 5 Major Signal Definitions Mnemonic Description RSTB S0 THRU 87 TE Four BCD signal lines upon which all display data is multiplexed Input to reset enable latch low when main gate is open Main gate control signal ECL logic levels low level opens main gate Manual reset signal low TTL level resets counter generated by RS signal Overflow low TTL level indicates overflow of decade counters Ripple Blanking Input low TTL level allows blanking of zeros in display high TTL level inhibits zero blanking Ripple Blanking Output low TTL level when zeros are blanked from display high TTL level at all other times Momentary high TTL level resets counter when gate time is changed High TTL level resets six decade counter during automatic reset cycle Low TTL level resets decade counter A1U15 during automatic reset cycle High ECL level resets decade counter A1U11 and presets Schmitt trigger in input circuit during automatic reset cycle High TTL level resets time base divider and main gate flip flop during automatic reset cycle Eight continuously cycling display scan lines each scan line s
25. AL SLDR LUG 6 SCR 144 144 ID BEZEL PUSHBUTTON KNOB JADE GREY PUSHBUTTON SOLID GRAY PRESS IN 6 32 062 LG 056 MIN NUT SH MET 6 32 63 STL CD PL CONNECTOR COAX BNC 50 OHM FEMALE NUT HEX 1 2 28 125 X 625 BRS NI PL FOOT FOOT COVER TOP COVER BOTTOM STANDOFF PANEL FRONT PANEL REAR MANUAL OPTION 001 PARTS CAPACITOR F XD 001 UF 1000V DIODE SWITCHING 30V 50MA DIODE SWITCHING 30V 50MA TRANSISTOR PNP SI 2N3640 RESISTOR F XD 510 OHM 25W RESISTOR F XD 1K OHM 25W RESISTOR F XD 150 OHM 1W OSCILLATOR CRYSTAL TCXO Model 5382A Maintenance Mfr Part Number 0160 3043 0160 3043 313 250 1251 2357 11 1036 9100 3039 8120 1348 345002 010 345002 020 0340 0765 920 176 0370 0914 0370 2486 0510 0002 C8599 632 248 28JR 130 1 2950 0054 5040 7032 05301 40001 05382 20003 05381 20004 05381 20005 05382 00001 05382 00002 05382 90001 THESE PARTS ADDED IN OPTION 001 Table 3 4 Manufacturers Code List Allen Bradley Co Texas Instr Inc Simicond Cmpnt Div Ferroxcube Corp Motorola Semiconductor Products Fairchild Semiconductor Div Gowanda Electronics Corp Corning Glass Works Specialty Connector Co Inc Hewlett Packard Co Corporate Hq Bourns Inc Trimpot Prod Div Sprague Electric Co Electro Motive Mfg Co Inc Erie Technological Products Inc J F D Electronics Corp Littlefuse Inc Everlock Chicago Inc Tinnerman Products Inc Zierick M
26. ATION OF A2U1 YES CHECK ASSOCIATED DRIVE TRANSISTOR OPERATION A201 A208 AND HECK A1U17 IS ONE DISPLAY DIGIT INOPERATIVE NO REPLACE LED DISPLAY DIGITS THAT HAVE ONE OR CHECK MULTIPLEXED DATA LINES A B C D FOR INVALID DATA CODES MORE INOPERATIVE SEGMENTS CHECK OPERATION OF A1U12 A1U14 A1U17 AND 15V AND 5V SUPPLIES START BE SURE THAT OSCILLATOR EXT INT SWITCH IS SET TO INT STD UNIT ONLY DISPLAY IS ALL ZEROS UNIT WON T COUNT SIGNAL FIXED RANDOM NUMBER IS DISPLAYED TO ALL ZEROS WHEN GATE TIME IS CHANGED NO CHECK OPERATION OF DECADE A1U5A 3 TOGGLING NO COUNTERS AND AT RATE LATCHES A1U9 U11 DETERMINED BY 1014 1015 GATE TIME A1U20 AND RESET SWITCH CONTROL CIRCUITS YES ASSOCIATED CIRCUITS 15 MALFUNCTIONS OF THE DECADE COUNTERS AND LATCH CIRCUITS OR THE MULTIPLEXER CIRCUIT CAN CAUSE NON NUMERICAL SYMBOLS OR BLANKS TO APPEAR IN THE DISPLAY CHECK FOR INVALID DATA CODES BY EXTER NALLY TRIGGERING AN OSCILLOSCOPE FROM ONE OF THE 50 THRU S7 SIGNAL LINES AND THEN OBSERVING THE DATA B C AND D LINES INDIVIDUALLY IF THE CODE PRESENTED ON THE DATA LINES AT ANY TIME EXCEEDS THE B C D EQUIVALENT 9 ONE OF THE DECADE COUNTER OR LATCH CIRCUITS OPERATES IMPROPERLY ARE
27. CR2035 0683 1025 RESISTOR 5 25W CC TUBULAR 1025 0683 1025 RESISTOR 5 25W TUBULAR C81C25 0683 5125 RESISTOR 5 1K 5 25W CC TUBULAR CB5125 0583 2015 RESISTOR 200 OHM 5 25W CC TUBULAR CB2015 0683 5125 RESISTOR 5 1K 5 25W CC TUBULAR 5125 0683 1035 RESISTOR LOK 5 25W CC TUBULAR C81035 0683 3905 RESISTOR 39 OHM 5 25W CC TUBULAR 83505 1810 0080 RESISTOR MULTIPLE 50007 1810 0080 0683 5115 RESISTOR 510 OHM 5 25W CC TUBULAR CB5115 0683 1035 RESISTOR 10K 5 25 CC TUBULAR 81035 1810 0055 RESISTOR MULTIPLE 10 8 1810 0055 0683 1025 RESISTOR 5 25W CC TUBULAR CB1C25 0683 3925 RESISTOR 3 9 5 25W CC TUBULAR ca3s25 0683 2015 RESISTOR 200 OHM 5 25 CC TUBULAR 2015 0683 3925 RESISTOR 3 9 5 25W CC TUBULAR 3925 0698 5176 RESISTOR 510 OHM 5 125W TUBULAR 885115 0698 5176 RESISTOR 510 OHM 5 1254 CC TUBULAR 885115 0698 5174 RESISTOR 200 OHM 5 125W CC TUBULAR 882015 0698 4130 RESISTOR 39 OHM 52 125W CC TUBULAR 583905 0698 3374 RESISTOR 20 OHM 5 125 CC TUBULAR 882005 0698 3374 RESISTOR 20 CHM 5 125W TUBULAR 882005 0698 5562 RESISTOR 120 OHM 5 125W CC TUBULAR BR1215 0698 5174 RESISTOR 200 OHM 5 1258 CC TUBULAR BA2015 0698 5174 RESISTOR 200 OHM 5 1259 CC TUBULAR 482015 0698 5562 RESISTOR 120 OHM 5 125W TURULAR 881215 0698 5176 RESISTOR 510 OHM 5 1254 TUBULAR 8085115 0614 3315 RESISTOR 330 OHM 5 125M TUBULAR 883315 0698 5174 RESISTO
28. Errata Title amp Document Type 5382A Frequency Counter Operating and Service Manual Manual Part Number 05382 90001 Revision Date May 1974 About this Manual W e ve added this manual to the Agilent website in an effort to help you support your product This manual provides the best information we could find It may be incomplete or contain dated information and the scan quality may not be ideal If we find a better copy in the future we will add it to the Agilent website HP References in this Manual This manual may contain references to HP or Hewlett Packard Please note that H ewlett Packard s former test and measurement life sciences and chemical analysis businesses are now part of Agilent Technologies The HP X X XX referred to in this document is now the Agilent XX XX For example model number HP8648A is now model number A gilent 8648 W e have made no changes to this manual copy Support for Your Product A gilent no longer sells or supports this product Y ou will find any other available product information on the A gilent Test amp M easurement website www agilent com Search for the model number of this product and the resulting product page will guide you to any available information Our service centers may be able to perform calibration if no repair parts are needed but no other support from Agilent is available 555 Agilent Technologies HP 5382A OPERATING AND SERVICE MANUAL FREQUE
29. F 20 100WVDC OLUF 20 100WVDC 60UF 20 6VDC TA SOLIO 60UF 20 6VDC TA SOLID 6 89 20 5 VDC TA SOLID 01UF 80 20 100WVDC s 01UF 80 20 100WVDC 6 8UF 20t 5VDC TA SOLID 0047 100 20 500WVDC ULL WAVE BRIDGE RECTIFIER 6 19V VZ LW MAX PD 400V 750MA 15V VZ LW MAX 6 19V VZ MAX PD G 2NS 30V 504A G 2NS 30V SOMA G 2NS 30V 504A 2NS 30V 50MA 2NS 30V 504A COIL NON MOLDED RF CHOKE 75UH COIL FXD NON COIL FXO NON COIL FXD NON COIL MOL COIL MOL TRANSISTOR PNP TRANSISTOR TRANSISTOR PNP TRANSISTOR NPN TRANSISTOR NPN TRANSISTOR NPN TRANSISTOR NPN TRANSISTOR NPN TRANSISTOR NPN TRANSISTOR NPN TRANSISTOR NPN TRANSISTOR NPN TRANSISTOR NPN TRANSISTOR TRANSISTOR J RESISTOR 620 Ol RESISTOR 39 OH RESISTOR 510 0 RESISTOR 510 O RESISTOR 240 0 MOLDED RF CHOKE 75UH MOLDED RF CHOKE T5UH MOLDED RF CHOKE 75UH DED RF CHOKE 27UH 19 DED RF CHOKE 27UH 19 SI CHIP PD 200MW SI CHIP PD 200MW SI CHIP PD 310MW SI PD 200MW FT 600MHZ SI PD 200MW FT 600MHZ SI PD 200MW FT 600MHZ SI PD 200MW 620 2 SI PD 310MW FT 300MHZ 2N5179 SI PD 200MW 2N5179 SI PD 200MW 2N5179 SI PD 200MW SI PD 300MW FT 200MHZ SI PD 200MW FT 600MHZ FET D MODE ST FET N CHAN D MODE SI 5 lw MO TUBULAR 5 25W CC TUBULAR HM 5 25W CC TUBULAR 5 25W TUBULAR HM 5 25W CC TUBULA1 See introduction to this
30. Hz operation If any other supply voltage is to be used change the rear panel switch settings as follows a Using a small screwdriver a pencil or other suitable tool set the LINE VOLTAGE SELECTOR switches on the counter s rear 2 POLE 3 WIRE panel to the positions shown next to the desired voltage marking on the rear panel b Ensure that the correct fuse is installed Use a Listed 0 250 ampere slow blow fuse for 100 volt or 120 volt operation or a Listed GND 0 125 ampere slow blow fuse for 220 volt or 240 volt operation r I 2 10 If the counter is to be used in the USA with a 240 volt 60 Hz power source use a power cord with a Listed connector of the type shown in Figure 2 1 Figure 2 1 Power Cord Connector for 240 Volt Operation 2 1 Model 5382A Installation and Operation 2 11 OPERATION 2 12 Figures 2 2 and 2 3 describe the operation of each panel control connector and indicator The following paragraphs describe proper cable and cable termination use how to make ratio measurements with the counter and how to optimize noise rejection with the ATTENUATOR 2 13 Cable and Termination Requirements 2 14 To prevent miscounting due to noise shielded cables should be used to make measure ments More specifically a coaxial cable with a 50 ohm characteristic impedance and BNC con nectors at each end are recommended for most measurements At higher frequencies the 50 ohm cable becomes an important
31. LAR CB4715 0683 4715 RESISTOR 470 OHM 5 25 TUBULAR C84715 1810 0041 CIRCUIT PSIV NON RPRABLE IN 1810 0041 0683 9125 RESISTOR 9 1K 5 25W CC TUBULAR 89125 0683 9135 RESISTOR 91 5 25 CC TUBULAR 89135 0683 9145 RESISTOR 910 5 25 TUBULAR C89145 0683 4705 RESISTOR 47 OHM 5 25W TUBULAR CB4705 0683 4705 RESISTOR 47 OHM 5 25 CC TUBULAR C84705 3101 1598 SWITCH SL DP3T NS 1A 125VAC 3101 1598 3101 1598 SWITCH SL DP3T NS LA 125VAC 3101 1598 1820 1037 1C DGTL OECODER DECODER DRVR DATA DISTR SN7446AN Digitally signed by httot www aa4df com See introduction to this section for ordering information 3 14 carers CR11 CR12 Q16 R6B R69 R70 U23 0160 3043 0160 3043 2110 0018 1251 2357 3101 1609 9100 3039 8120 1348 2110 0464 2110 0465 0340 0765 0360 0001 0360 0353 0370 0914 0370 2486 0510 0002 0510 0076 1250 0083 2950 0054 5040 7032 05301 40001 05381 20003 05381 20004 05381 20005 05382 00001 05382 00002 05382 90001 Table 3 3 Replaceable Parts Continued CAPACITOR F XD 005UF 005UF 20 CAPACITOR F XD 005UF 005UF 20 FUSE 25A 125V SLO BLO CONNECTOR AC PWR HP 9 MALE FLANGE SWITCH SL 2 DPDT NS 3A 125VAC TRANSFORMER POWER CABLE UNSHLD 3 COND 18AWG FUSEHOLDER EXTR POST BAY CAP 20A FUSEHOLDER CAP FOR 3 AG FUSES MISCELLANEOUS PARTS INSULATOR XSTR 002 THK TERMINAL SLDR LUG 6 SCR 141 086 ID TERMIN
32. NCY COUNTER 5382A GATE TIME As 1 LINE ON IN 104 Me HEWLETT il PACKARD VZ8E5 dH CERTIFICATION The Hewlett Packard Company certifies that this instrument was thoroughly tested and inspected and found to meet its published specifications when it was shipped from the factory The Hewlett Packard Company further certifies that its calibration measure ments are traceable to the U S National Bureau of Standards to the extent allowed by the Bureau s calibration facility WARRANTY AND ASSISTANCE This Hewlett Packard product is warranted against defects in materials and workmanship This warranty applies for one year from the date of delivery or in the case of certain major com ponents listed in the manual for the specified period We will repair or replace products which prove to be defective during the warranty period provided they are returned to Hewlett Packard No other warranty is expressed or implied We are not liable for consequential damages Service contracts or customer assistance agreements are available for Hewlett Packard products that require maintenance and repair on site For any assistance contact your nearest Hewlett Packard Sales and Service Office FREQUENCY COUNTER 5382A OPERATING AND SERVICE MANUAL SERIAL PREFIX 1408A This manual applies directly to HP Model 5382A Fre quency Counters having serial number prefix 1408A NEWER INSTRUMENTS
33. R 200 OHM 5 125W TUBULAR 882015 0698 5562 RESISTOR 120 OHM 53 125W CC TUBULAR BB1215 2100 3210 RESISTOR VAR LOKOHM 10 338SP 1 103 0683 3935 RESISTOR 39K 5 25W CC TUBULAR CB3635 0683 5115 RESISTOR 510 OHM 5 25W TUBULAR 5115 0683 5115 RESISTOR 510 OHM 5 25W TUBULAR C85115 0683 3345 RESISTOR 330K 53 25W CC TUBULAR CB3345 0698 6283 RESISTOR 10 OHM 5 125W TUBULAR 1005 0683 1005 RESISTOR 10 OHM 5 25W CC TUBULAR 1005 0683 5115 RESISTOR 510 OHM 5 25W TUBULAR 5115 0683 5115 RESISTOR 510 OHM 5 25 TUBULAR CB5115 1810 0055 RESISTOR MULTIPLE 10K 8 1810 0055 3101 1667 SWITCH SL SPDT NS 5 125VAC 3101 1667 3101 0680 SWITCH PB 1 STA MODULE 4PDT 3101 0680 1820 1224 IC DGTL LINE RECEIVER 10216 1820 0661 IC 0GTL GATE SN7432N 1820 0537 IC DGTL SCHMITT TRIGGER SN7413N 1820 0633 1 0 5 TIME BASE 1820 0633 1820 0817 IC DGTL FLIP FLOP MC10131P 1820 0077 IC OGTL FLIP FLOP SNT4T4N 1820 0681 53745003 1820 0269 IC 3DGTL GATE SNT403N 1820 0301 IC DGTL LATCH SNT4TSN 1820 1052 IC OGTL TRANSLATOR LOGIC LEVEL MC10125L 1820 1019 IC DGTL COUNTER 1820 1019 1820 0233 IC OGTL COUNTER SN74193N 1820 0328 IC DGTL GATE SN7402N 1820 0634 1 0 5 6 COUNTER 1820 0634 1820 0751 IC OGTL COUNTER SN74196N 1820 0920 IC OGTL L INE RECEIVER MC1692L 1820 0214 IC DGTL 3DECODER DECODER DRVR DATA DISTR SN7442N 1820 0174 IC OGTL
34. RT NUMBER 05382 90002 PRINTED IN U S A
35. T R27 3 RESET ENABLE P O 2 DISPLAY BOARD ASSEMBLY 05382 60002 SERIES 1408 ALL WAVCTORMS TAKEN WITH 1 25 PEAK TO PEAK 100 kHz INPUT SIGNAL DC C OIVIDER PROBE OTHER OSCILLOSCOPE SETTINGS ARE GIVEN WITH EACH WAVEFO 201 BCD INPUTS A2U1 SEGMENT OUTPUTS gt 5pS DIV VIDI 5 35 017 5 5 01 OV O2Vv DIV Trererrreree gum e ree me mr trIirrrrrir rermurereros m m xm m r FA CUP Ps 1 pS DIV PRATO d 2viDiv ov 20 Dv Toe oO SV DIV BCD TO 7 DECODER 1017 BCD INPUTS k L H H L L H H 5 5 D THROUGH 10 1 5 uS DIV OY SVIDIV Model 5382A Maintenance OARD ASSEMBLY 05382 60002 SERIES 1408 zamre TE NOTES REFERENCE DESIGNATIONS WITHIN THIS ASSEMBLY ARE ABBREVIATED ADO ASSEMBLY NUMBER TO ABBREVIATION FOR COMPLETE DESCRIPTION 2 UNLESS OTHERWISE INDICATED RESISTANCE IN OHMS CAPACITANCE IN MICROFARADS INDUCTANCE IN MICROMENRIES ALL WAVEFORMS TAKEN WITH 1 75V 100 kHz INPUT SIGNAL OC COUPLED THROUGH A 10 1 DIVIDER PROBE OTHER OSCILLOSCOPE
36. a binary 110 or 111 to A1U14 Either of these codes causes all data output lines from A1U14 to go high which allows the outputs of the two least significant decade counters to control the data lines 3 9 Time Base Oscillator and Divider 3 10 The time base oscillator consists of integrated circuit A1U1C and associated components The 10 MHz oscillator signal passes through amplifier A1U1A and level translator 191 and A1Q2 and is supplied to the input of the time base divider A1U4 Signals applied to the OSCIL LATOR EXT IN jack pass first through A1UIB which functions as a Schmitt trigger then pass through A1U1A in the same manner as the internal oscillator signal 3 11 The time base divider provides Time Base Out and Log signals that are used to control the main gate flip flop Refer to the timing diagram of Figure 3 4 After the time base divider resets the first input pulse from the oscillator generates a Log output pulse An additional Log pulse is generated as each successive divider stage within integrated circuit A1U4 provides an output The time between Log pulses therefore increases logarithmically 3 12 Integrated circuit A1U4 divides the 10 MHz oscillator signal by a factor determined by the three bit code present at pins 7 8 and 9 The GATE TIME switch changes this code to provide division factors of 106 107 and 108 which correspond to gate times of 0 1 second 1 second and 10 seconds respectively At t
37. allow sensitivity to be optimized The Schmitt trigger output passes through amplifier A1U16D and then through the main gate level translator 199 A1Q10 1911 The main gate flip flop 105 controls the conduction of transistor A1Q11 which in turn controls the passage of input pulses through the level translator A1Q9 and A1Q10 3 7 Decade Counter Latch and Multiplexer Circuits 3 8 After the measured input signal passes through the main gate level translator A1Q9 1910 and 1911 it is accumulated in the decade counter circuits Counter A1U11 counts the least significant decimal digit counter A1U15 counts the next significant digit and counter A1U14 counts the six most significant digits After the main gate closes the TR Transfer and TR signals transfer the accumulated data from the counter circuits into storage latches A1U9 A1U20 and the latches that are part of A1U14 refer to timing diagram of Figure 3 4 The stored data is then supplied to the display one 4 bit BCD digit at a time as controlled by the X Y Z S6 and S7 signal lines from the display scanner Circuits within A1U14 control the multiplexing operation for the six most significant digits the X Y and Z lines provide the address code Separate gates within integrated circuits 108 and A1U14 gate the two least significant digits onto the data lines in response to the S6 and S7 signals When the S6 or S7 signal line is low the X Y and Z lines provide
38. arts Description BOARD 55 CAPACITOR F XD CAPACITOR F XD CAPACITOR F XO CAPAC IT OR F XD CAPACITOR FXD CAPACITOR VAR CAPACITOR F XD CAPACITOR F CAPACITOR F XD CAPACITOR F XD CAPACITOR F CAPACITOR FXD CAPACITOR F XD CAPAC IT OR F CAPACITOR F XD CAPACITOR F XD CAPACITOR F XD CAPAC ITOR F XD CAPACITOR F XD CAPAC ITOR F XD CAPACITOR F XD CAPACITOR F XD CAPACITOR F XD CAPACITOR F XD CAPACITOR FXO CAPACITOR F XO CAPACITOR F XO CAPACITOR FXD CAPACIT OR F XD CAPAC IT OR FXD CAPACITOR F XD CAPAC ITOR F X0 CAPAC IT OR F XD CAPACITOR F XD CA PACITOR F XD DIODE MULT DIODE ZENER DIODE PWR RECT DIODE ZENER DIODE ZENER OLODE SWITCHIN DI UOE SWITCHIN DIODE SWITCHIN DI OOE SWITCHIN DI QOE SWITCHIN IN 0UF 75 10 25VDC AL 0UF 75 10 25VDC AL 50UF 75 10 25VDC AL 60UF 20 5VDC TA SILID 6 80 20 6VOC TA SOLID CER 2 22 5 SOOWVDC 6 BUF 20 6 VDC TA SOLI s 1UF 20 25WVDC 02UF 80 20 100WVDC 220 10 35VDC TA 600 20 6VDC TA SOLID 6 BUF 20 6VDC TA SOLIO 010 20 LOOWVDC 0047UF 100 20 500WVDI OLUF 20 120WVDC 0047UF 100 20 500WWDC OLUF 20 100WVDC 01UF 20 100WVDC OLUF 20 LOOWVNC 0047 100 20 500WVDZ s OLUF 20 100WVDC 22PF 5 200WVDC 010 20 100WVDC 6 BUF 20 6VDC TA SOLID OLUF 20 100WVOC 0047UF 1L00 20 SOOWVDC OLU
39. ative positive negative negative positive zero zero tempera ture coefficient not recommended for field replacement not separately replaceable nanosecond nanowatt order by description outside diameter oval head operational amplifier option oscillator oxide ounce ohm peak used in parts list pulse amplitude modulation printed circuit pulse code modula tion pulse count modulation pulse duration modulation picofarad phosphor bronze Phillips positive instrinsic negative PLO PM PNP PrO POLY PORC POS POSN POT pp PP PPM PREAMPI PRF PRR ps PT PTM PWM PWV RC RECT REF REG REPI RF RFI RH RIC RMO rms RND ROM R amp P RWV 2 SB SCR SE SECT SEMICON SHF SI SIL SI SNR SPDT SPG SR SPST SSB SST STI 50 SWR SYNC T TA TERM peak inverse voltage peak phase lock phase lock oscillator phase modulation positive negative positive part of polystyrene porcelain positive position s used in parts list position potentiometer peak to peak peak to peak used in parts list pulse position modulation preamplifier pulse repetition frequency pulse repetition rate picosecond point pulse time modula tion pulse width modulation peak working voltage resistance capacitance rectifier reference regulated replaceable radio frequency radio frequency
40. cedure DISCONNECT THE AC POWER CORD FROM THE COUNTER PRIOR TO REMOVING COVERS EXPOSED TERMINALS WITHIN THE COUNTER INCLUDING SEVERAL POINTS ON THE PRINTED CIRCUIT BOARDS CAN SUPPLY SUFFICIENT ENERGY TO CAUSE INJURY OR DEATH a Position the instrument upside down and remove the four machine screws from the bottom of the instrument b Lift the bottom cover from the instrument then remove the printed circuit boards with the front and rear panels attached by pulling the boards straight out of the top cover c Reassemble in reverse order of disassembly ensure that the standoff spacers on top cover are aligned with the corresponding holes on the main circuit board Model 5382A Maintenance Table 3 2 In Cabinet Performance Check 1 SENSITIVITY Obtain the following test equipment HP 411A RF Millivoltmeter HP 651B Test Oscillator HP 3200B UHF Oscillator HP 11048A 50 Ohm Feed Thru a Set the counter s ATTENUATOR switch to b Connect the test equipment to the counter as shown below TEE 502 FEEDTHRU HP 3200B C 5382A Set the 3200B to provide a 225 MHz output at 50 mV rms as indicated on the 411A Counter s display should indicate 225 MHz and displayed value should be stable Set the 3200B to provide a 10 MHz output at 25 mV rms as indicated on the 411A Counter s display should indicate 10 MHz and displayed value should be stable Remove 3200B and 411A and connect the 500 output of the 651B to th
41. cy applied to the OSCILLATOR EXT IN connector decreases If the frequency applied to the OSCILLATOR EXT IN connector is 1 MHz for example and GATE TIME is set to 16 actual measurement time will be 10 seconds 2 18 Optimizing Noise Rejection 2 19 A measured signal may have a large harmonic content or noise from other sources The presence of either can cause inaccurate or unstable displays from the counter Measurement errors from these sources can be minimized or eliminated by proper use of the ATTENUATOR switch 2 20 The ATTENUATOR should usually be set to X100 then reduced one step at a time until a stable display is obtained If the signal contains a high percentage of amplitude modulation however the above procedure may cause counting of only a portion of the cycles of the carrier signal In these cases the ATTENUATOR should be set to X1 be sure that the input amplitude does not exceed the limits specified in Table 1 1 then increased to X10 or X100 if this is possible without causing the displayed value to change or become unstable Model 5382A Installation and Operation 2A 225MHz FREQUE Display Eight digits of LED light emitting diode display are provided on the front panel A decimal point illuminates in the proper position according to the setting of the GATE TIME switch and an over range indicator in the upper left corner of the display illuminates when the counter overflows LINE sw
42. diameter intermediate fre quency impregnated inch incandescent includets input insulation internal kilogram kilohertz kilohm kilovolt pound inductance capacitance light emitting diode low frequency long left hand limit linear taper used in parts list linear lock washer low local oscillator logarithmic taper used in parts list logarithmtie low pass filter low voltage meter distance milliampere maximum megohm meg 108 used parts list metal film gt metal oxide medium frequency microfarad used in parts list NSR ns nW ORD on OH OP AMPI OPT OSC OX 9 P PAM Pc PCM PDM pF PH BRZ PHI PIN ABBREVIATIONS manufacturer 7 milligram megahertz millihenry mho minimum minute time minute plane angle miniature millimeter modulator momentary metal oxide semi conductor millisecond mounting meter indicating device millivolt millivolt ac millivolt dc millivolt peak millivolt peak to peak millivolt rms milliwatt multiplex mylar microampere microfarad microhenry micromho microsecond icrovolt microvolt ac microvolt de microvolt peak microvolt peak to peak microvolt rms microwatt nanoampere no connection normally closed neon negative nanofarad nickel plate normally open nominal normal neg
43. e counter Use a 50 ohm feed thru at the counter s INPUT connector Set the 651B to provide an output of 10 Hz at 50 mV rms Counter s display should indicate 10 Hz and displayed value should be stable Set the 651B to provide an output of 30 Hz at 25 mV rms Counter s display should indicate 30 Hz and displayed value should be stable 2 EXTERNAL OSCILLATOR INPUT STANDARD UNIT ONLY Obtain the following test equipment HP 651B Test Oscillator HP 11048A 50 Ohm Feed Thru a Set the counter s ATTENUATOR switch to X1 GATE TIME switch to 1s and OSCILLATOR EXT INT switch to EXT Connect the 500 output of the 651B to the counter s rear panel OSCILLATOR EXT IN connector through a Tee connector and a 50 ohm feed thru termination Model 5382A Maintenance Obtain the following test equipment Table 3 2 In Cabinet Performance Check Continued Connect a cable between the unused end of the Tee connector and the counter s front panel INPUT connector Set the 651B for an output of 10 MHz at 250 mV rms The counter s display should be 010 00000 1 count Set the 651B for an output of 100 kHz at 250 mV rms The counter s display should be 010 00000 1 count 3 OSCILLATOR OUTPUT OPTION 001 ONLY m HP 5326C 011 Electronic Counter HP 11048A 50 Ohm Feed Thru Remove covers from the counter as described in Paragraph 3 26 Connect counter to ac power and allow 1 hour for the TCXO to stabilize Connect th
44. e rear panel MONITOR OUTPUT connector to the 5326C 011 in put jack through a 50 ohm feed thru Set the 5326C 011 FUNCTION switch to FREQUENCY and the TIME BASE switch to 10S At 25 C ambient temperature the 5326C 011 display should be the frequency that is printed on the TCXO for example 10 MHz 4 4 Hz If necessary refer to the adjustment procedures in this section of the manual 4 DISPLAY Obtain the following test equipment HP 651B Test Oscillator HP 11048A 50 Ohm Feed Thru a With no signal applied set the front panel GATE TIME switch to each of its three settings The decimal point should move to give the following displays 000 00000 for 1s gate time 00000 000 for 1s gate time 0000000 0 for 10s gate time Connect the 651B to the counter s INPUT connector Use the 50 ohm feed through at the counter end of the cable Adjust the 651B frequency and the counter GATE TIME switch until an eight has been observed in each of the eight display positions This ensures that each display segment is operative 3 28 PREVENTIVE MAINTENANCE 3 29 Periodically perform the In Cabinet Performance Check of Table 3 2 to verify proper operation of the counter Additionally whenever the covers are removed check for broken or burned components damaged wires excess dust etc Model 5382A Maintenance 3 30 GENERAL REPAIR 3 31 The following paragraphs provide general repair information for the
45. et Box 506 Calcutta 700 001 Tei 23 0131 Telex 655 Cable BLUESTAR Blue Star Ltd Blue Star Mouse 34 Ring Road Lajpat Nagar Deihi 110 024 62 32 76 ni 463 BLUESTAR Blue Star Ltd Blue Star House 11 11A Magarath Road Bangalore 560 025 Tei 51473 4 30 BLUESTAR EUROPE Hewlett Packard GmbH Vertrisbsb ro M nchen Unterhachinger Strasse 28 ISAR Center D 8012 Ottodruna 0811 601 30 61 7 Telex 52 4985 Cable HEWPACKSA M chen West Berlin Hewlett Packard GmbH Vertriebsbilro Berlin Wilmersdorfer Strasse 113 114 0 1000 Berlin W 12 Tet 0311 3137046 Telex 18 34 05 hpbin d GREECE Kostas Karayannis 18 Ermou Street GR Athens 126 Tel 3230 303 3230 305 Cable Athe Telex 21 59 62 rhar gr IRELAND Hewlett Packard Ltd 224 Bath Road GB Slough 511 4 DS Bucks Tel Slough 0753 33341 Cable HEWPIE Slough Telex 848413 Hewlett Packard Ltd The Graftons Stamford New Road Altrincham Cheshire England Tel 061 928 8626 Telex 668068 ITALY Hewlett Packard Itallana S p A Via Amerigo Vespucci 2 1 20124 Milan 2 6251 110 lines Cable HEWPACKIT Milan Telex 32046 chard Italiana S p A Piazza 2 1 00144 Rome Eur Tel 6 5912544 5 5915947 Cable HEWPACKIT Rome Telex 61514 Hewlett Packard Italiana S p A Vicolo Pastori 3 1 35100 Padova 49 66 40 62 Telex 32046 via Milan Hewlett Packard Italiana S p A Via Colil 24 1510129 Tur
46. factor Whenever the measured source has a 50 ohm output imped ance this is the case with most test oscillators a 50 ohm feedthrough termination should be used On the other hand in cases where minimal source loading is desirable the 50 ohm feed through termination should be omitted from the circuit At frequencies up to approximately 10 MHz and at all but the lowest signal levels a 10 1 divider probe can be used to further reduce source loading 2 15 Ratio Measurements Standard Counter Only 2 16 The standard counter will measure the ratio between the frequencies of two signals if one of the signals is applied to the rear panel OSCILLATOR EXT IN connector and the other signal is applied to the front panel INPUT connector The Option 001 counter does not have an external oscillator input connector Be sure to refer to Table 1 1 for signal level and frequency limits The displayed value represents the ratio of one frequency to the other as shown by the following formula freq at INPUT Display Value freq at OSCILLATOR EXT IN X where X 10 if GATE TIME is 1s 104 if GATE TIME is 1s 107 if GATE TIME is 10s 2 17 Note that in the above formula the term X changes by a factor of 1000 103 for each change in GATE TIME setting GATE TIME itself changes X by a factor of 10 and the deci mal point the display shifts two places 102 for a total of 103 Note also that actual measure ment time increases as the frequen
47. fg Co Switchcraft Inc Milwaukee Wi Dallas Tx Saugerties N Y Phoenix Az Mountain View Ca Gowanda N Y Bradford Pa Indianapolis In Palo Alto Ca Riverside Ca North Adams Ma Willimantic Ct Erie Pa Brooklyn N Y Des Plaines Il Chicago Il Cleveland Oh Mt Kisco N Y Chicago Il 3 15 Model 5382A Maintenance SYMBOLS MAIN SIGNAL PATH FRONT PANEL FEEDBACK PATH REAR PANEL TEST POINT INTERIOR AND PC BOARDS GATE WIPER MOVES TOWARD CW WHEN CONTROL 15 ROTATED CLOCKWISE OR GATE POWER LINE GROUND CIRCUIT COMMON GROUND INVERTER FLOATING GROUND ee NAND GATE CHASSIS GROUND NOR GATE KNOB CONTROL EXCLUSIVE NOR VV Yol SCREWDRIVER ADJUST PRINTED CIRCUIT BOARD IDENTIFICATION REVISION LETTER HP PART NO i 05340 60037 MANUFACTURING DIVISION CODE PRODUCTION CODE SERIES May Be Stamped Elsewhere On The Board REFERENCE DESIGNATIONS REFERENCE DESIGNATIONS WITHIN ASSEMBLIES ARE ABBREVIATED ADD ASSEMBLY NUMBER TO ABBREVIATION FOR COMPLETE DESCRIPTION JACKS ARE THE STATIONARY CONNECTORS AND PLUGS ARE THE MORE MOVEABLE OF TWO CONNECTORS ASSEMBLY ABBREVIATION COMPLET ESCRIPTION A25 C1 A25C1 25 1 CRI A2SA1CRI1 NO PREFIX J3 J3 Assembly Stk No Assembly Series No Assembly Assembly includes A25A1 fused to document Number Name Assembly changes A25 POWER SUPPLY_ASSY 05100 6007 SERIES 330 RECTIFIER ASSY 05100 6031 1
48. given part d Typical manufacturer of the part in a five digit code see list of manufacturers in Table 3 4 e Manufacturer s part number DISPLAY IS NOT ILLUMINATED YES IS DECIMAL POINT ILLUMINATED NO CHECK POWER SUPPLY VOLTAGES 5V 5V AND 15V IF ANY VOLTAGE IS INCORRECT CHECK THE ASSOCIATED REGULATOR OR ZENER REFERENCE DIODE ONE OR MORE DISPLAY SEGMENTS OR DIGITS INOPERATIVE CHECK OPERATION OF A2U1 AND CHECK DATA LINES A B C D FOR ALL HIGH LEVELS INDICATING A SHORTED CONDITION ONLY ONE DISPLAY DIGIT ILLUMINATED YES NO IS ONE DISPLAY DIGIT INOPERATIVE NO REPLACE LED DISPLAY DIGITS THAT HAVE ONE OR MORE INOPERATIVE SEGMENTS IS 28 kHz SIGNAL PRESENT AT A1U3B 8 YES NO CHECK OPERATION OF SCAN OSCILLATOR A1U3B AND ASSOCIATED COMPONENTS DO NOT CONFUSE THIS SYMPTOM WITH NORMAL BLANKING OF LEADING ZEROS CHECK OPERATION OF A2U1 CHECK ASSOCIATEL DRIVE TRANSISTOR OPERATION 201 208 AND CHECK A1U17 CHECK MULTIPLEXED DATA LINES A B D FOR INVALID DATA CODES CHECK OPERATION OF A1U12 A1U14 A1U17 AND 15V AND 5V SUPPLIES DO NOT CONFUSE THIS SYMPTOM WITH NORMAL BLANKING OF LEADING ZEROS ONE OR MORE DISPLAY SEGMENTS OR DIGITS INOPERATIVE ONLY ONE DISPLAY DIGIT ILLUMINATED NO CHECK OPER
49. he end of the selected gate time circuit A1U4 generates a Time Base Out signal 3 13 The Main Gate flip flop A1U5A sets when the first Log pulse occurs this opens the main gate The Main Gate flip flop remains set until the Time Base Out signal goes low the Log pulse that occurs when the Time Base Out signal is low clocks the Main Gate flip flop returning it to the reset state and closing the main gate Refer to the timing diagram of Figure 3 4 3 14 Display Scanner 3 15 The display scanner consists of all the circuits necessary to drive the LED light emitting diode displays An oscillator with a frequency of approximately 8 kHz A1U3B supplies the Model 5382A Maintenance input to a four bit down counter A1U12 The four outputs of the counter supply a continuously cycling binary code that is used both for display scanning and counter timing 8 16 Integrated circuit A1U17 decodes the three most significant outputs the X Y and Z lines from the four bit counter and supplies outputs on eight separate lines one drive line for each of the eight display digits The X Y and Z lines also are used as the address lines to A1U14 where they control the multiplexing of data This synchronizes the data output with the sequential en abling of the display digits Integrated circuit A2U1 converts the four data bits from BCD to the seven segment code required to drive the display Data is supplied from circuit A2U1 to all eight display p
50. in Tel 11 53 82 64 Telex 32046 via Milan LUXEMBURG Hewlett Packard Benelux SA NV Avenue de Col Vert 1 Groenkraaglaan 8 1170 Grassois Tel 03 02 72 22 40 Cable PALOBEN Brussels Telex 23 494 NETHERLANDS Hewlett Packard Benelux N V 117 NL Amaterdam 21011 020 42 77 77 44 29 66 Cable PALOBEN Amsterdam 13 216 hepa n NORWAY Hewlett Packard Norge A S Nesveien 13 Box 149 5 1344 Haslum Tei 02 53 83 60 Telex 1662 hpnas n lectra Empresa T cnica de tricos Rua Rodrigo da Fonseca 103 0 Box 2531 PAlshon 1 Tel 19 686072 Cable TELECTRA Lisbon Telex 1598 AFRICA ASIA AUSTRALIA Blue Star Ltd 1411771 Sarojini Devi Road Secunderabad 500 003 Tel 7 63 91 7 73 93 Cable BLUEFROST Telex 459 Blue Star Lid 23 24 Second Line Beach Madras 600 001 Tel 2 39 55 Telex 379 Cable BLUESTAR Blue Star Ltd 18 Kaiser Bungalow Dindli Road Jamshedpur 831 001 Tel 38 04 Cable BLUESTAR Telex 240 INDONESIA lon Trading N V bii Merdeka 29 Bandung Tel 4915 1560 Cable ILMU Telex 08 809 IRAN Multicorp International Ltd Avenue Soraya 130 Box 1212 IR Teheran Tel 83 10 35 39 Cable MULTICORP Tehran Telex 2893 MCI TN ISRAEL Electronics amp Engineering Div of Motorola Israel Ltd 17 Aminaday Street Tel Aviv Tel 36941 3 lines Cable BASTEL Tel Aviv Telex 33569 Hi Ohashi Building 1 59 1 Yoyogi Shibuya ku
51. itch The ac power LINE switch is a push on push off type in the on position the pushbutton is set further into the front panel GATE TIME switch Gate time measurement time can be set at 0 1 second 1 second or 10 seconds with the GATE TIME switch These positions give resolutions of 10 Hz 1 Hz and 0 1 Hz respectively If the GATE TIME switch is set to 1s for example it will take one second to make a measurement and the measured value will be displayed in 1 Hz increments Manual resetting of the counter circuits occurs when ever the GATE TIME switch position is changed Set the GATE TIME switch to prov vide the best compromise between measurement speed and resolution of the dis played value ATTENUATOR switch The three position attenuator switch provides for attenuation of input signals by factors of 10 and 100 The input signal is not attenuated when the switch is set to the X1 position The attenuator is used to extend the range of input signal levels that can be measured by the counter and to optimize noise rejection Maximum sensitivity of the counter ranges from 25 millivolts rms with the attenuator set to X1 to 2 5 volts rms with the attenuator set to X100 If the amplitude of a measured signal is unknown or if signal noise causes the display to be unstable set the ATTENUATOR to X10 or X100 then reduce the attenuation if necessary until a stable display is observed CAUTION BE SURE THAT THE
52. lter Q transistor SCR voltage regulator battery hardware triode thyristor breakdown diode capacitor circulator R resistor cable transmission coupler electrical connector thermistor path wire diode diode stationary portion S switch X socket thyristor varactor jack T transformer ervstal unit piezo directional coupler relay terminal hoard electrie delay line coil inductor thermocouple 7 tuned cavity tuned annunciator signal meter test point circuit ing device audible miscellaneous or visuali lamp mechanical part LED ABBREVIATIONS A ampere nvg average channel direct current ne alternating current AWG American wire em centimeter degree temperature ACCESS accessory gauge CMO cabinet mount only interval or ADJ adjustment BAL balance COAX coaxial difference AD analog to digital BCD binary coded COEF coefficient 2 degree plane angle AF audio frequency decimal COM common degree Celsius AFC automatic fre BD hoard COMP composition centigrade quency control BE CU beryllium copper COMPI complete oF degree Fahrenheit AGC automatic gain BFO heat frequency CONN connector degree Kelvin control oscillator cadmium plate DEPC deposited carhon aluminum BH hinder head CRT cathode ray tuhe DET detector ALC automatic level BKDN breakdown complementary diam diameter cont
53. ltiplexer circuits supply this stored data one digit at a time to the LED display The dis play scan circuits synchronize the multiplexer circuits with the display enable lines and this ensures that the proper BCD data digit is placed on the multiplexed data lines when the associ ated LED display digit is enabled LIMITER AMPLIFIER DECADE OVERFLOW COUNTER AND LATCH CIRCUITS BCD TO 7 MULTIPLEXER SEGMENT CODE CONVERTER D a al EXT osc MORE RESET AND TIME BASE INPUT OSCILLATOR plas lat MONITOR cK DIVIDER ee CIRCUITS OPTION 001 scan rr ILLATOR COUNTER Y osc DE ER 4 DISPLA BLANKING CIRCUITS Figure 3 1 Simplified Block Diagram 3 1 Model 5382A Maintenance 3 2 3 5 Input Circuits 3 6 Input signals pass first through the attenuator Diodes A1CR9 and A1CR10 limit the input signal amplitude to a safe level for the subsequent circuits Resistors A1R46 and A1R48 limit the current drawn by the diodes from high voltage sources and thus reduce loading of these sources Transistors A1Q13 A1Q14 and A1Q15 form a unity gain buffer amplifier that has a high input impedance which reduces source loading and a low output impedance to drive amplifier AIU16B Amplifier A1U16B provides an approximate voltage gain of five and is direct coupled to A1U16C which functions as a Schmitt trigger The balance adjustment A1R42 provides control of the dc bias voltage applied to A1U16B to
54. olts rms voltage standing wave ratio voltage tuned oscillator vacuum tube voltmeter volts switched watt with working inverse voltage wirewound without vttrium iron garnet characteristic impedance NOTE abbreviations in the parts list will be in upper case MULTIPLIERS Abbreviation Prefix Multiple tera ume giga 10 mega 10 kilo 10 10 107 centi 10 7 milli 107 miero 107 nano fe pico 108 femto 1057 atto It 3 11 Model 5382A Maintenance Reference Designation OPTION 001 05382 60003 05382 60001 0180 0480 0180 0480 0180 0058 0180 0106 0180 1701 0121 0059 0160 2265 0180 1701 0160 3060 0160 2146 0180 1735 0180 0106 0180 1701 0160 3879 0150 0075 0160 3879 0150 0075 0160 3879 0160 3879 0160 3879 0150 0075 0160 3879 0160 3875 0160 3879 0180 1701 0160 3879 0150 0075 0160 3879 0160 3879 01 80 0106 0180 0106 0180 1701 0150 0093 0150 0093 0180 1701 0150 0075 1906 0028 1902 0551 1901 0028 1902 0202 1902 0551 1901 0040 1901 0040 1901 0040 1901 0040 1901 0040 9100 1788 9100 1788 9100 1788 9100 1788 9100 2269 3100 2269 1853 0015 1853 0015 1853 0036 1854 0092 1856 0092 1854 0092 1854 0092 1854 0215 1854 0345 1854 0345 1854 0345 1854 0071 1854 0092 1855 0081 1855 0081 0761 0022 0583 3905 0683 5115 0683 5115 0683 2415 THESE PARTS NOT IN OPTION 001 3 12 Table 3 3 Replaceable P
55. ositions simultaneously and the 50 through 87 lines enable only the single display position that corresponds to the data on the data lines at a given time Transistors A2Q1 through A2Q8 provide sufficient current to drive the LED displays 3 17 Display Blanking Circuits 3 18 Leading zeros in the display except the first digit to the left of the decimal point are auto matically blanked by the display blanking circuits Trailing zeros are not blanked Blanking occurs only when a BCD zero is on the multiplexed data lines and the RBI signal to A2U1 is low When these conditions are fulfilled the display digit being strobed is blanked and the RBO signal from A2U1 goes low 3 19 At the beginning of each display scan cycle the S5 signal goes low which causes the RBI signal the output of A1U3A to go low Therefore if the most significant display digit which is strobed by the S5 signal is a zero the zero will be blanked As the scan cycle progresses 54 goes low S3 goes low etc each less significant display digit is blanked until one of the following conditions occurs 1 the OF signal goes low indicating a counter overflow 2 the data on the multiplexed data lines changes to a number other than zero or 3 the scan cycle progresses to the digit immediately to the left of the decimal point In any of these circumstances the RBO signal will go high and the high level will be stored in the Blanking Storage latch A1U6B The high Q out
56. peration 3 5 Input Circuits 3 7 Decade Counter Latch and Multiplexer Circuits 3 9 Time Base Oscillator and Divider 3 14 Display Scanner nnn 8 17 Display Blanking Circuits 3 20 Reset and Transfer Control Circuits 3 22 Recommended Test Equipment ene tence ees 3 24 In Cabinet Performance Check 3 26 Instrument Access eer hh hehehe hern 3 98 Preventive Maintenance 3 30 General Repair 2 3 34 Adjustments 0 3 36 Amplifier Balance Adjustment 3 38 Oscillator Adjustment Standard Unit 3 40 Oscillator Adjustment Option 001 Unit 3 42 Troubleshooting 3 45 Replaceable Parts 3 47 Ordering Information 3 49 Schematic Diagram 2 24 Table Figure I Eo Qo 6262 Qo
57. put of the Blanking Storage latch forces the RBI signal to go high which prevents further blanking until the start of the next scan cycle when S5 goes low 3 20 Reset and Transfer Control Circuits 3 21 The reset and transfer control circuits control the sequencing of the counter Refer to the timing diagram of Figure 3 4 When the main gate closes at the end of a measurement and the Z signal line from the display scanner subsequently goes low the Reset Enable latch A1U6A sets The high Q output pin 5 holds the time base divider IC A1U4 in a reset condition and the low Q output pin 6 allows the W signal to control the output of gate A1U2A when the Q output is high the output of AIU2A is always high The W 51 82 87 signals cause the fol lowing sequence of events to occur Because the 81 52 and 57 signals are gated with W the signal the described events occur during the middle of the Si 82 and 87 signals which ensures that these signal lines are stable First when the S2 and W signals are low the TR and TR sig nals are generated and used to transfer data from the decade counters to the storage latches When the 51 and W signals are low the RSC and RSC signals are generated and used to reset the decade counters The RSC signal also passes through level translator A1Q8 emerging as the RSE signal which is applied to amplifier AIU16A The output of A1U16A presets the Schmitt trigger in the input circuit between each
58. rol bandpass transistor logic DIA diameter used in AM amplitude modula BPF handpass filter ew continuous wave parts list tion BRS brass cw clockwise DIFF amplifier BWO hackward wave em centimeter AMPI differential amplifier APC automatic phase oscillator D A digital to analog div division control CAL calibrate decibel DPDT double pole double assembly cow counterclockwise dBm decibel referred to throw auxiliary CER ceramic 1 mW DR drive 3 10 058 DTI DVM ECL EMF EDP ELECT ENCAP EXT x FET F F FH FII H FM FP FREQ FXD 4 GE GH GI GNI H h HET HEX HD HDW HF HG HI HP HPF HR HV LED LF LG LH LIM LIN lin LK WASH LO LOG log LV m mA MAX MEG MET FIM double sidehand diode transistor logic digital voltmeter emitter coupled logic electromotive force electronic data processing electrolytic encapsulated external farad field effect tran sistor flip flop flat head fillister head frequency modula tion front panel frequency fixed gram germanium gigahertz glass ground ed henry hour heterodyne hexagonal head hardware high frequency mercury high Hewlett Packard high pass filter hour used in parts list high voltage Hertz integrated circuit inside
59. s x10 1 MHz to 50 MHz 2 5 x 108 V Hz x100 50 MHz to 225 MHz rms Accuracy 1 Count Time Base Accuracy Gate Times Manually Selected 1 second 1 second 10 seconds Resolution 10 Hz at 0 1 second gate time 1 Hz at 1 second gate time 0 1 Hz at 10 second gate time Time Base Internal Frequency 10 MHz Crystal Aging lt 0 3 ppm Month Temperature 2 5 ppm 0 C to 40 C Line Voltage 0 5 ppm for 10 line variation External Input Frequency Range 100 kHz to 10 MHz Sensitivity 250 mV rms 1 KQ input impedance Maximum Input 25 V rms de to 10 MHz Operating Temperature 0 C to 40 C Power Requirements 100 120 220 and 240 V rms 48 Hz to 440 Hz 5 15 20 VA max Weight Net 4 75 lb 2 2 kg Shipping 6 lb 2 8 kg Dimensions 3 5 in H x 6 25 in W x 9 75 in D 89 mm x 160 mm x 248 mm OPTION 001 Temperature Compensated Crystal Oscillator Frequency 10 MHz Aging 1 part in 107 Month Temperature 1 ppm 0 C to 40 C Line Voltage 1 part in 10 for 10 change External input replaced with Oscillator Monitor Output on Option 001 Model 5382A Installation and Operation SECTION II INSTALLATION AND OPERATION 2 1 INTRODUCTION 2 2 This section of the manual provides information about unpacking inspecting storing and shipping the frequency counter and gives instructions for operating the counter Descriptions of all controls connectors and indicators are included 2 3 UNPACKING AND
60. section for ordering information Mfr Part Number 05382 60001 360 4526025 2 360 4526025 2 300506 G025CC2 150C606X0N0682 1500685X000642 0160 2265 1500685 000642 0160 3060 0160 2145 1500224X903542 15 006 06xX000682 L50N685xX0006A2 0160 3879 0150 0075 0160 3879 0150 0075 0160 3879 0160 3879 0160 3879 0150 0075 0160 3879 0160 3875 0160 3879 150D685X0006A2 0160 3879 0150 0075 0160 3879 0160 3879 1500606x0006B2 1500606X000582 1500685 0005 2 0150 0093 0150 0093 1500665x0006A2 0150 0075 MDA922 3 52 11213 80 581358 9 5211213 191 SZ 11213 80 1901 0040 1901 0040 1901 0040 1901 0040 1901 0040 VK200 20 48 VK200 20 48 VK200 20 48 W200 20 4B 10 272 10 27 1853 0015 1853 0015 1853 0036 1854 0092 1854 0092 1854 0092 1854 0092 5 5 3611 2N5179 2N5179 2N5179 1854 0071 1854 0092 2N5 245 2N5245 FP32 1 T00 621 J 905 C85115 5115 CB2415 Model 5382A Maintenance Table 3 3 Replaceable Parts Continued Reference re Mfr Designation Description Mfr Part Number Code 0683 5115 RESISTOR 510 OHM 5 25W CC TUBULAR 85115 0583 1025 RESISTOR 5 25 CC TUBULAR C81025 0683 5115 RESISTOR 510 OHM 5 25W TUBULAR 5115 0683 2035 RESISTOR 20K 5 25W CC TUBULAR CB2035 0683 5105 RESISTOR 51 HM 5 25M CC TUBULAR CB5105 0683 7515 RESISTOR 750 OHM 5 25W CC TUBULAR C87515 0683 2035 RESISTOR 20K 5 25M CC TUBULAR
61. trobes one display digit High ECL level inhibits the two least significant outputs of decade counter 1011 during the measurement cycle High TTL level transfers data from the two least significant decade counters to the storage latches at the beginning of the reset cycle also clears the manual reset latch Low TTL level transfers data from the six decade counter to the storage latches that are internal to the counter IC Occurs at beginning of reset cycle Outputs of down counter A1U12 X Y Z used as output multiplexing address lines by six decade counter A1U14 and as inputs to 4 to 10 line decoder 1017 W is used as timing signal for reset circuits Low TTL levels illuminate the LED display decimal points 1s and 1s control division factor of the time base divider 104 3 17 Model 5382A Maintenance 3 18 A1U4 11 TBO A1U4 1 LOG OUT A1U5 3 MGE Figure 3 4 Instrument Timing Diagram DISPLAY SCAN LINES DATA COUNTER ADDRESS LINES Model 5382A Maintenance b B Component Locators Figure 3 5 3 19 Model 5382A Maintenance A1 OPTION 001 MOTOROLA leg 24 2 REAR PANEL Figure 3 5 Component Locators Continued E 1 m qu 3 uti Je RERE E TIME BASE OSCILLATOR 5382 60001 IN OPTION 001 THESE COMPONENTS ARE REPLACED BY OPTION 001 TIME BASE OPTION 00 TIME BASE OSCILLATOR 5382
62. uctions 100V 220V tm mi A LINE VOLTAGE SELECTOR 540V E CAUTION CHECK PROPER VOLTAGE SELECTION SERIAL NO MONITOR e OUTPUT i 53824 7 OPTION 001 50 mAT 100 120 V 125 mAT 220 240 V 5382 A 3 MONITOR OUTPUT connector Use this connector to monitor the 10 MHz time base oscillator ADJ control Same as 5 above Figure 2 3 Rear Panel Operating Controls and Connectors Model 5382A Maintenance SECTION III MAINTENANCE 3 1 INTRODUCTION 3 2 This section of the manual provides all information necessary to service the counter The following topics are included a Theory of circuit operation b In cabinet performance checks c Instrument access instructions d Preventive maintenance e General repair information f Adjustment procedures g Troubleshooting instructions h Replaceable parts lists A schematic diagram with support information 3 3 THEORY OF CIRCUIT OPERATION 3 4 The input limiter the input amplifier and the Schmitt trigger circuits see the block dia gram of Figure 3 1 condition the measured input signals and ensure that subsequent digital cir cuits receive pulses with uniform rise and fall times When the time base circuits open the main gate these pulses pass through the main gate and are accumulated in the decade counter circuits After the gate time elapses and the main gate closes the counted data is stored in the data latches The mu
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