HP-209A-Manual-sn-818 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 ! On-line curator: Thomas Chrapkiewicz RadioFans.CN 收音机爱 好者资料库 Ol o N ll. :I: , OPERATINGANDSERVICEMANUAL SINEISQUARE OSCILLATOR 209A HEWLETT.PACKARD www.HPARCHIVE.com :I: N o IQ RadioF

2、ans.CN 收音机爱 好者资料库 HEWLETTPACKARD CERTIFI CATION The Hewlett-Packard Company certifies that this instrument was thoroughly tested and inspected and found to meet its published specifications whenitwas shipped from the factory. The Hewlett- Packard Company further certifies that its calibration measur

3、e- ments are traceable to theU.S.National BureauofStandards to the extent allowed by the Bureaus calibration facility. WARRANTYANDASSISTANCE AllHewlett-Packard products are warranted against defectsin materials and workmanship. This warranty applies for one year from the date of delivery, or,inthe c

4、ase of certain majorcompo- nents listedinthe operating manual, for the specified period.We willrepair or replace products which prove tobedefective during thewarrantyperiod providedtheyarereturnedtoHewlett- Packard.Noother warrantyisexpressed or implied.Weare not liable for consequential damages. Se

5、rvice contracts or customer assistance agreements are available for Hewlett-Packard productsthatrequire maintenance and re- pair on-site. For any assistance, contact your nearest Hewlett-Packard Sales and Service Office. Addresses are providedatthe back of this manual. www.HPARCHIVE.com RadioFans.CN

6、 收音机爱 好者资料库 OPERATINGANDSERVICEMANUAL -hp- Part No. 00209-90002 MODEL SINE/SQUARE 209A OSCILLATOR Serials Prefixed: 818- Copyright Hewlett-Packard Company 1968 P.O. Box 301, Loveland, Colorado, 80537 U.S.A. www.HPARCHIVE.com Printed:MAY1970 TableofContentsModel209A TABLEOFCONTENTS APPENDICES A.CODE

7、LISTOFMANUFACTURERS B.SALES AND SERVICE OFFICES C.MANUAL BACKDATING CHANGES SectionPage VIREPLACEABLE PARTS6-1 6-1.Introduction6-1 6-4.Ordering Information6-1 6-6.Non-Listed Parts6-1 SectionPage VIICIRCUIT DIAGRAMS7-1 7-1.Introduction7-1 7-3.Schematic Diagrams7-1 7-5.ComponentLocation Diagrams7-1 Pa

8、ge 5-23. 5-26. 5-28. 5-29. 5-30. Section VMAINTENANCE(Contd) 5-8.Distortion Check5-3 5-9.OutputVoltage and Impedance Check (Sine Wave)5-4 5-10.OutputControl Check (Sine Wave)5-4 5-11. Balance Check (Sine Wave)5-4 5-12.OutputVoltage Check (Square Wave)5-4 5-13.Rise Time Check (Square Wave)5-5 5-14.Sy

9、mmetryCheck (Square Wave)5-5 5-15.SyncOutputCheck5-5 5-16.SyncInputCheck5-5 5-17. Cover Removal . . . . . . . . . . . . . . . . . 5-6 5-22. Adjustment and Calibration Procedure5-6 Introduction5-6 Power Supply5-6 Bias Adjustment5-6 AGC Adjustment5-6 AGCandFrequency Adjustment5-6 5-31.High Frequency A

10、djustment5-7 5-32.Distortion Adjustment5-7 5-33.SymmetryAdjustment5-7 5-34.FactorySelected Components5-7 5-36. Troubleshooting Procedures5-8 5-37.FrontPanel Procedure5-8 5-40.Detailed Circuit Troubleshooting5-8 SectionPage VMAINTENANCE5-1 5-1.Introduction5-1 5-4.Performance Checks5-1 5-6.Dial Accura

11、cy Check5-1 5-7.Flatness Check5-1 SectionPage IGENERAL INFORMATION1-1 1-1.Introduction1-1 1-3.Specifications1-1 1-5.Description1-1 1-10. Instrument/Manual Identification.1-1 SectionPage IIINSTALLATION2-1 2-1.Introduction2-1 2-3.Initial Inspection2-1 2-5.Power Requirements2-1 2-7.Grounding Requiremen

12、ts2-1 2-10. Installation2-1 2-12.Bench Mounting2-1 2-14.Rack Mounting2-1 2-16.Combination Mounting2-1 2-18. Repackaging for Shipment2-1 SectionPage IIIOPERATING INSTRUCTIONS3-1 3-1.Introduction3-1 3-3.Turn On Procedure3-1 3-5.Operating Considerations3-1 3-6.FloatingOutput3-1 3-8.Balance3-1 3-10.Sync

13、hronization3-1 3-13.Low Distortion3-1 SectionPage IVTHEORYOFOPERATION4-1 4-1.Introduction4-1 4-4.Block Diagram Description,4-1 4-5.Bridge and Amplifier4-1 4-9.Peak Comparator and AGC_4-1 4-13.Buffer Amplifier4-2 4-15.Sine-Square Converter4-2 4-17. Detailed Circuit Description4-2 4-25.Power Supply4-2

14、 iii www.HPARCHIVE.com Model209A LISTOFTABLES TableofContents NumberPage 1-1.Specifications1-0 5-1.Required Test Equipment5-0 5-2.Dial Accuracy Check5-1 5-3.Flatness Check5-2 NumberPage 5-4.Distortion Check5-3 5-5.Factory Selected Components5-7 5-6.Front Panel Symptoms5-8 6-1.Replaceable Parts6-2 LI

15、STOFILLUSTRATIONS NumberPage 1-1.Model209A Sine/Square Oscillator1-1 2-1.Dimensions2-2 3-1.DescriptionofControls and Connectors3-0 4-1.Model209A Block Diagram4-0 4-2.RCFrequency Network Characteristics4-1 5-1.Dial Accuracy Check5-1 5-2.Flatness Check5-2 5-3.2MHzDistortion Check5-3 5-4.Balance Check5

16、-4 5-5.Sync Input Check5-5 6-1.Front Panel Exploded View6-4 7-1.Oscillator Schematic(AI)7-3/7-4 7-2.Power Supply Schematic (A2)7-5/7-6 iv www.HPARCHIVE.com Section I -RANGES- Table 1-1. Specifications SQUAREWAVE Model209A Frequency: 4Hzto 2MHzin 6 ranges. -PERFORMANCERATINGS- DialAccuracy: +/-3%offr

17、equency setting. Flatness:Atmaximum output into 600 ohm load. 1 kHz reference. Low Distortion+/-1%+/-0.5%+/-1%+/-5% Mode OutputVoltage:20 Vpopopencircuit symmetrical about 0V.Output can be floated upto+/-500 V peak betweenoutput and chassis ground. Rise and Fall Time:lessthan 50ns. Symmetry:+/-5% Ou

18、tput Impedance: 600 to 900 ohms depending upon settingofoutput control. Normal Mode +5% -1% +/-0.5%+/-1%+/-5% (Hz)4 Distortion: 100300k1M2M-EXTERNALSYNCHRONIZATION- Sync Impedance: 10 kilohm. 1.0-40 -NORMALMODE / * -LOWD1ST.MODE I0.5 / 46 ., C i:0.3 50 Q: I c t:;0.2 V 54 Ci 0.160 2060100200 FREQUENC

19、Y-Hz 20DK60CK2M Sync Output: Sinewavein phase with output; amplitude working into 1 megohm shunted by 100 pFisgreater than 1.7 Vrmsfrom 4Hzto 50 kHz, greater than.1V from 50 kHz to 2MHz. Sync Input:Oscillator can be synchronized to externalsignal.For5V rmsinput,sync frequency can beasmuchas+/-7%away

20、 from set frequency (sync range). Sync rangeisa linear functionofsync voltage. - Humand Noise:lessthan 0.01%ofoutput. -OUTPUTCHARACTERISTICS- SINEWAVE Output Voltage: 5 Vrms(40mW)into 600 ohms; 10 V open circuit. Output can be floated upto +/-500V peakbetween output and chassis ground. Output Impeda

21、nce: 600 ohms. OutputControl:20dBrangecontinuously adjustable. Output Balance: greater than 40dBbelow 20 kHz. 1-0 -GENERAL- Operating Temperature:Instrument will operate within specifications from0%C to55%C. Storage Temperature:40%Cto+75%C Power: AC-Line 115Vor230V +/-10%,48Hzto 440 Hz.lessthan 7W.

22、Dimensions: Refer to Figure 2-1, page 2-2. Accessories Available:HP1l075AInstrument Case. www.HPARCHIVE.com Model209A SECTIONI GENERALINFORMATION Section I 1-1.INTRODUCTION. 1-2.This section contains general information about the-hp-Model209ASine/ SquareOscillator. Throughoutthis manualthe instrumen

23、t willbe referred toasthe Mode1209A. 1-3.SPECIFICATIONS. 1-4.Table1-1lists the specifications for the Model 209A. 15.DESCRIPTION. 1-6.The Model 209Aisa versatile signal source with independent sinewaveand squarewaveoutputs at frequencies from 4Hzto 2MHz.The squarewave amplitudeisvariable to a maximu

24、mof20 volts peak-to-peakintoopencircuit.Thesinewave amplitudeisvariable to a maximumof10 volts rms into open circuit from a constant 600 ohm source. Whenworking into a 600 ohm load, the maximum output levelis5volts rms. 1-7.Balancedoutputcanbeobtainedby disconnecting the grounding strap at the rearo

25、fthe instrument. This isolates the chassis from the cabinet and line ground. The sinewaveoutputwillbalance to greater than 40 dB, at frequencies below 20 kHz, with the chassis isolated. 1-8.The Model 209A canbesynchronized with an external source. With a 5 volt rms sync input, the external source ma

26、y varyasmuchas+/-7%in frequencyandtheModel209Awillremain synchronized. 1-9.A sync outputof1.7 volts rmsisalso available at the same front panel terminal used to accept an external sync source. 1-10.INSTRUMENT/MANUALIDENTIFICATION. 1-11. Hewlett-Packardusesatwo-sectionserial number. The first section

27、 (prefix) identities a seriesof instruments. The last section (suffix) identifies a particular instrument within the series.Ifa letteris included with the serial number, it identifies the country in which the instrumentwasmanufactured. Ifthe serial prefixofyour instrument differs from the one on the

28、 titlepageofthis manual, a change sheetwillbesuppliedtomakethismanual compatable with newer instruments or the backdating information in AppendixCwilladapt this manual to earlierinstruments.Allcorrespondencewith Hewlett-Packard should include the complete serial number. Figure1-1.Model 209A Sine/Squ

29、are Oscillator 1-1 www.HPARCHIVE.com Model209A SECTIONII INSTALLATION Section II 2-1.INTRODUCTION. 2-2.Thissectioncontainsinformationand instructions necessary for installing and shipping the Model 209A Sine/ Square Oscillator. Included are initial inspection procedures, power and grounding requirem

30、ents,installationinformation,and instructions for repackaging for shipment. 2-3.INITIALINSPECTION. 2-4. This instrument was carefully inspectedboth mechanically and electrically before shipment.It should be physically freeofmars or scratches and in perfect electrical order upon receipt. To confum th

31、is, the instrument should be inspected for physical damage that occurred in transit.Ifthe instrumentwas damaged in transit, me a claim with the carrier. Test the electrical performanceofthe instrument using Performance Checks outlined in Section V.Ifthereis damage or deficiency,seethe warranty on th

32、e inside front coverofthis manual. 2-5.POWERREQUIREMENTS. 2-6. The standard Model 209A will operate from any sourceof115 or 230 volts (+/-10%), at 48 to 440 Hz. With the instrument disconnected from the ac power source, move the voltage selector switch (located on the rear panel) so the designation

33、appearing on the switch matches the voltageofthe power sourcetobe used. Power dissipationisless than 7 watts. 2-7.GROUNDINGREQUIREMENTS. 2-8. To protect operating personnel, the National ElectricalManufacturersAssociatfon(NEMA) recommendsthattheinstrumentcabinetbe grounded. The standard Model 209Ais

34、equipped with a three-conductor power cable which, when plugged intoanappropriatereceptacle,groundsthe instrument.Theoffset pin on the power cable three-prong connectoristhe ground connection. 2-9. Topreservetheprotectionfeaturewhen operating the instrument from a two-contact outlet, use a three-pro

35、ngtotwo-prong adapter and connect the green pigtail on the adaptertoearth ground. 210.INSTALLATION. 2-11. TheModel209Aisfullytransistorized; therefore, no special coolingisrequired. However, the instrument should not be operated where the ambient temperature exceeds550C(1310F). 2-12.BENCHMOUNTING. 2

36、-13. The Model 209Aisshipped with plastic feet and tilt stand in place, ready for useasa bench instrument. 2-14.RACKMOUNTING. 2-15. The Model 209A may be rack mounted by using an adapter frame (-hp- Part No. 5060-0797). The adapter frameisa rack frame that accepts any combinationof-hp- submodular un

37、its.Itcan be rack mounted only. For additional information, address inquiriestoyour -hp- Sales and Service office. (See Appendix B for office locations.) 2-16.COMBINATIONMOUNTING. 2-17. TheModel209Amaybemountedin combination with other submodular unitsbyusing a CombiningCase(-hp- Model 1051A or 1052

38、A). The CombiningCaseisa full-module unit which accepts various combinationsofsubmodular units. Being a full-module unit, it can be bench or rack mounted andisanalogous to any full-module unit. 2-18.REPACKAGINGFORSHIPMENT. 2-19. The following paragraphs contain a general guide for repackagingofthe i

39、nstrument for shipment. Refer to Paragraph 2-20ifthe original containeristo be used;2-21ifitisnot.Ifyou have any questions, contact your local -hp- Sales and Service Office. (See Appendix B for office locations.) 2-1 www.HPARCHIVE.com Section II Model209A -NOTE- Ifthe instrumentistobeshipped to Hewl

40、ett-Packard forserviceor repair,attachatagtothe instrument identifying the owner and indicating the service or repair to be accomplished; include the modelnumberandfullserial numberofthe instrument. In any correspondence,identifythe instrument by model number and fullserial number. 2-20.Ifthe origin

41、al containeristo be used, proceed asfollows: a.Placetheinstrumentintheoriginal containerifavailable.Iftheoriginal containerisnotavailable, onecanbe purchased from your nearest-hp-Salesand Service Office. b. Ensure that the containeriswellsealed with strong tape or metal bands. 2-21.Ifthe original co

42、ntainerisnot to be used, proceedasfollows: a.Wrapthe instrument in heavy paper or plasticbeforeplacingitinaninner container. b. Place packing material aroundallsidesofthe instrument and protect the panel face with cardboard strips. c.Place the instrument and inner container in a heavy carton or wood

43、en box andsealwith strong tape or metal bands. d.Marktheshippingcontainerwith DELICATE INSTRUMENT, FRAGILE etc. Dimensions: 209A TOP8 (203,21 -,L 5i(3021 t (10.3) DIMENSIONS IN INCHESAND(MILLIMETERS) T SIDE 6f2 (154,e) e Figure 2-1. Dimensions 2-2 www.HPARCHIVE.com Section IIIModel209A 2 SYNC I AX 6

44、000 3 9 10 ,-LINE SELECTOR o IIS/230V10% 48-440TVAMAX CHANGE FREQ. SLOWLY I ,OW NORMOISl. CDRANGE Switch: Selects frequency range or OFF position. eDFrequency Dial: Selects frequency within desired range. Dial setting multiplied by RANGE switch position indicates output frequency. oFrequency Vernier

45、: Provides fine tuningof frequency dial. oSquareWaveAmplitudeControl:Varies SquareWaveoutputlevelto20volts peak-to-peak, open circuit. eDSineWaveAmplitude Control: Varies Sine Waveoutput level over a 20dBrange to 10 volts rms, open circuit (5 volts rms into 600 ohms). CDSineWaveOutput Terminal: 600

46、ohm sine waveoutput at a frequency and amplitude determinedbycontrol settings. CDSquareWaveOutput Terminal: 600 ohm squarewaveoutput at a frequency and amplitude determined by control settings. CDSYNCTerminal: (1) Input terminal for an external sync signal. (2) Output terminal for 1.7 volt rms sinew

47、avesync signal. CDGround Strap: Connects the floating circuit ground to power ground. Voltage Selector Switch: Selects line voltage of115 volts or 230 voltsAC. ACPower Receptacle: Mates with power cord supplied with this instrument for line voltage connection. NORM/LOW DIST. Switch: Selects normal o

48、r low distortion below 100 Hz. Figure 3-1. DescriptionofControls and Connectors 3-0 www.HPARCHIVE.com Mode1209A 31.INTRODUCTION. SECTIONIII OPERATINGINSTRUCTIONS 3-8.BALANCE. Section III 3-2. This section contains informationasan aidto operating the Model 209A. Included are control and connector des

49、criptions (Figure 3-1), and some special operating considerations. 3-3.TURNONPROCEDURE. 34.To turn on the Model 209A, proceedasfollows: a.Set the two-position voltage selector switch on the rear paneltothe valueofavailable line voltage. b. Connect theACpower cord to line voltage. c.Switch the RANGE switch from OFFtothe desired frequency range. d. Select the desired frequency and voltage outputwiththefrequencydialand amplitude controls respectively. 3-5.OPERATINGCONSIDERATIONS. 3-6.FLOATINGOUTPUT. WHENTHE GROUND STRAPON THER