HP-K05-5060_Manual 电路图.pdf
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1、 HP Archive This vintage Hewlett Packard document was preserved and distributed by www. Please visit us on the web ! Thanks to on-line curator: Ken Manders RadioFans.CN 收音机爱 好者资料库 . ;r = HEWLETTIPACKARD OPERATING AND SERVICEMANUAL K05-5060A ., LINEARPHASE COMPARATOR SERIALNO. S-7418 AND ABOVE HEWLET
2、T-PACKARDCOMPANY301STEVENSCREEKBLVD.,SANTACLARA,CALIF.9OO RadioFans.CN 收音机爱 好者资料库 HEWLETTi;jPACKARD OPERATINGANDSERVICEMANUAL FOR .K05-5060A LINEARPHASE COMPARATOR SERIALNO. S-7418ANDABOVE The Model K05-5060A Linear Phase Comparator receives a frequency standard signalof100 kHz, 1 MHz,or 5MHzononcha
3、nnel andthesame frequency from a second source onanotherchannel. Thesetwofre- quencies are processed withintheinstr,umenttoprovide adcoutputwhichisproportionaltothephase difference betweenthetwoinputsignals. Thedcouptutcan be usedtodrive apotentiometerorgalva- nometertyperecorder for a permanent rec
4、ordofthephase difference. PREPARATION FORUSE Set115/230volt switch ontherear paneltoexposethecorrect numbers fortheac line voltage used.Connect power cordtotheinstrument and an ac receptacle.Turn power switch on and select 5 MHz, 1 MHz, or 100kHz positiontocorrespond withthefrequencistobe applied. T
5、o calibratetheZERO ADJ and FULL SCALE ADJ controls, applythesame input frequency sourcetobothINPUT 1 and INPUT 2. Then con- necttherecordertobe usedtotherear panel OUPTUT jack.Push ZERO ADJbuttonand adjustZEROADJ control for zerooutputas indicatedontherecorder.Push FULL SCALE ADJbuttonand adjust FUL
6、L SCALE ADJ controlforfull scale on recorder. The adjustment rangeofthefront-panelFULLSCALE ADJ control may be centeredbytheCOARSE FULL SCALE controlontherearoftheinstrument.Repeat the zero and full scale adjustments untilbothoutputsare correct. OPERATION AftertheK05-5060Aiscalibrated, connectthetwo
7、frequenciestobe comparedtoINPUT 1 and INPUT 2. Theinputlevel should be between0.5Vrmsand 1.1 rmsforbothinputs. Thedcfor driving a recorderis fromtherear panel OUTPUT jack.UsebothOUTPUT terminals, sincebothare above ground. CIRCUIT DESCRIPTION TheK05-5060Apower supply circuits provide regulated +20 v
8、oltsdctooperatetheinstrument. Theoutput voltageisadjustable by a control mounted onthepower supply printed circuit board.Input voltagetothe K05-5060A can be115or230Vac, 10%,48to440Hzasselectedbya rear panel SELECTOR switch. The K05-5060A phasecomparatorassembly circuits consistoftwochannels which re
9、ceivethetwoinput signalstobe compared andcontroltheon/offdutycycleofa flip-flop circuit. The rectangular waveoutput fromtheflip-flopisintegratedtogive anoutputdcsignal whichisproportionaltothephase difference betweenthetwoinputsignals.For 5MHzand 1 MHz input frequencies, an oscillatorisswitchedinand
10、 heterodyned withtheinput signalstoproduce a50kHz signalinboth channels. The full scale widthoftheRecorder chartisequaltotheperiodoftheinputsignal(thatis, for 1MHzinput, chartwidthis1 microsecond).Tocomputethefrequency errorofthe frequency under test,usethe relation- shipE=!;whereEisthefrequency err
11、or,0isthemeasured phase differenceinmicroseconds, and T. Tistheelapsed measurementtimeinmicroseconds.For example, iftheRecorder chart indicates a full width variation(1microsecondfor1MHzinputsignal) during an elapsed measurement timeof1 hour, thefrequency erroris: E=0 T Enel:None maa75028 (60)(50)(1
12、x106) 3.2x10-10or3.2 partsin1010frequency error. HEWLETT-PACKARDCOMPANY5301STEVENSCREEKBLVD.,SANTACLARA,CALIF.95050 RadioFans.CN 收音机爱 好者资料库 K05-5060A INTERNALADJUSTMENTS HEWLETTPACKARD Page 2 The K05-5060A hasthreeinternal adjustments;twoonphase comparator assemblyA1and one on power supply assembly
13、A2.Schematic diagrams are included for thesetwoassemblies.Adjustthecontrols as outlinedinthefollowing steps: a.Remove K05-5060Atopandbottomcovers.Apply powerbyconnecting power cordto rear-panel jack andacline. b.Connect aDCVoltmeter between red and black wires providingtheoutputfrom power supply ass
14、embly printed circuit boardonbottomofinstrument. c.Adjust controlA2R10for +20 voltsdcoutput.DisconnectDCVoltmeter. The power supply isprotectedfromoverloadora short circuitbyan internal circuitinintegrated circuit A2U1. d.Set selector switchto5MHzand apply 5MHzsignalatINPUT 2. e.Connect Oscillatorto
15、04collector (on phase comparator assemblyA2attopofinstrument). TuneL4to50kHz.The signal will be approximately 1 volt peak-to-peak. f.Connect Oscilloscopeto09base.Signal should be a negative pulseofapproximately 1 volt. g.Set selector switchto1MHzand apply 1MHzsignalatINPUT 1. h.Connect Oscilloscopet
16、o014collector. TuneL3to50kHz (approximately 1 volt pIp signal), i.Connect Oscilloscopeto010base.Signal should be negative pulse (approximately 1 volt). This completestheadjustments. HEWLETT- PACKARD COMPANY,01STEVENSCAEEKBLVO.,SAtHACLARA,CALIF.9050 K05-5060A HEWLETTPACKARD TABLEOF REPLACEABLE PARTS
17、Page3 CKT REF. A1 A2 HPPART NO. 05060-92068 05060-91170 DESCRIPTION PhaseComparator Board Assembly PowerSupply/InputAssembly The above assembliesarelisted separately in laterpages. C1 DS1 F1 J1 J2,J3 J4 J4 J4 J4 P1- Q1 R1-R6 R7 R8 R9-R11 R12 Sl S2 S3 S4,S5 T1 W1 XF1 0180-2188 1450-0419 2110-0018 211
18、0-0017 1251-2357 12500083 1510-0008 0340-0086 1510-0009 0340-0090 1854-0063 2100-0408 2100-0067 2100-0153 3101-0030 3101-1234 05060-92049 3101-0014 9100-3013 8120-1348 1400-0084 MISCELLANEOUS 5060-8575 5000-8563 5000-8581 5060-0728 5060-0702 0370-0026 0370-0077 05060-92034 05060-91163 1490-0032 C:fx
19、d,alum elect,1500p.F, 40 Vdcw Indicator light, neon/whitelense Fuse:0.25 amp, slo-blo, 115 V Fuse:0.15 amp, slo-blo, 230 V Receptacle, power: 3-pin, male Connector: BNC Binding post:red Insulator binding post Binding post: black Insulator binding post Power cord plug (partofW1) Transistor, Si: NPNty
20、pe2N3055 NotAssigl1ed R:var, comp, 250 ohms 30%, 1/2W R: var, comp, linear, 250 ohms 10%, 1/2W NotAssigned R:var, comp, linear, 2000 ohms2%,1/2W Switch, power:SPST Switch, Slide: DPDT (115/230V conversion) Switch, Rotary: 2 pole 3 position Switch,pushbutton Transformer, power Power cord Body, fuseho
21、lder Cover,top Cover,side Cover,bottom Foot Assembly Frame Assemblyside Knob, zeroandfullscale Knob, frequency selector Panel:front Panel:rear Stand,tilt HEWLETT- PACKARDCOMPANY,30rSTEVENSCREEKBLVO.,SANTACLARA,CALIF.9OSO K05-5060A HEWLETTPACKARD TABLE OF REPLACEABLE PARTS FOR 05060-92068 PHASE COMPA
22、RATOR ASSEMBLYA1 Page 4 CKT REF. Al HPPARTNO. 05060-92068 DESCRIPTION Phase Comparator Assembly The above assembly containsthefollowing replaceable parts. The following reference designators are abbre- viated.Add a prefixofAltoform a complete reference designator for any part. Cl C2,C3 C4 C5-C7 C8 C
23、9 Cl0 Cll C12 C13 C14 C15 C16 cn C18, C19 C20,C21 C22 C23 C24 C25 C26 C27 C28, C29 C30 C31 C32,C33 C34, C36 C35, C37 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 CRl CR2,CR3 CR4-CR9 L1 L2 L3 L4 L5 L6 01-07 0170-0085 0150-0121 0170-0085 0150-0121 0160-0128 0150-0121 0140-0180 0140-0185 0160-0128 0160-0938
24、 0160-0128 0180-0106 0180-0113 0140-0191 0150-0121 0170-0085 0140-0179 0140-0162 0140-0204 0140-0200 0140-0156 0140-0187 0170-0094 0140-0216 0170-0085 0150-0121 0170-0085 0150-0121 0160-0128 0150-0121 0140-0180 0140-0185 0160-0128 0160-0938 0160-0128 0180-0106 0140-0191 0140-0216 1901-0033 1902-0032
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