Geräte Informationen:

Hewlett Packard 651B Oscillator
Hersteller:
Hewlett Packard
Modell: 651B
Datum: 1966
Kategorie: Messgeräte
Gruppe: Oscillator
Beschreibung: Test Oscillator
Informationen:
                                    The Hewlett-Packard Model 651B Test Oscillator is a wide
range capacitance-tuned oscillator covering a frequency
range from 10 Hz to 10 MHz. The oscillator has a stable
sine-wave output signal that is adjustable from 10
microvolts to 3.16 volts into 50 or 600 ohms. The Model 651B
Test Oscillator is shown in Figure 1-1 and the
specifications are given in Table 1-1. This manual is
written for the standard Model 651B Test Oscillator; refer
to paragraph 1-7 for differences between the standard
instrument and Options 01 and 02.
1-3. Two output impedances are provided at front panel
output connectors. The 600 ohm connector provides an output
with an impedance that is compatible with transmission lines
and many distribution systems. The 50 ohm connector provides
an output where a low - source impedance is desired.
1-4. The Model 651B Test Oscillator output voltage is
constantly monitored at the input of the attenuator by an
internal voltmeter. The voltmeter has two scales for RMS
voltage readings and a dBm scale referenced to 1 milliwatt
into 50 ohms. The OUTPUT ATTENUATOR, in conjunction with the
AMPLITUDE control, provides a monitored output of desired
level when matched into a 50 or 600 ohm load.

Folgende Anleitungen sind für obiges Gerät verfügbar:

Hewlett Packard -- 651B -- Service- und Bedienungsanleitung
Dateiname: HewlettPackard-6834-Manual-Page-1-Picture
Dokumenttyp: Service- und Bedienungsanleitung
Seitenanzahl: 51
Dateigröße: 20.17 Mbytes (21149010 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer: 00651-90004
Datum: Oktober 1966
Qualität: Gescanntes Dokument, alles ist lesbar.
Upload Datum:
MD5: 5359f0a9b5ec1e00c436d1b77048f2d5
ed2kID: 1a776dd1ac3f9c8d602f929230bfb473
Downloads: 55 seit 31 Mai 2015
Informationen:
SERIALS PREFIXED: 647-

Section Page
I GENERAL INFORMATION........................ 1-1
1-1. Description...................................... 1-1
1-5. Accessories................................... 1-1
1-7. Options............................................ 1-1
1-8. Option 01................................... 1-1
1-10. Option 02................................... 1-1
1-12. Instrument Identification.................. 1-1
Section Page
Π INSTALLATION......................................... 2-1
2-1. Inspection...................................... 2-1
2-3. Power Requirements........................ 2-1
2-5. Three-Conductor Power Cable . . . 2-1
2-8. Installation...................................... 2-1
2-10. Rack/Bench Installation.................. 2-1
2-12. Repackaging for Shipment............... 2-1
Section Page
ΠΙ OPERATING INSTRUCTIONS.................. 3-1
3-1. Introduction................................... 3-1
3-3. Controls and Indicators.................. 3-1
3-5. Adjustment of Mechanical Zero ... 3-1
3-7. Operation......................................... 3-1
Section Page
IV THEORY OF OPERATION....................... 4-1
4-1. General Description........................ 4-1
4-3. Circuit Description........................ 4-1
4-5. Oscillator Circuit....................... 4-1
4-13. Peak Detector.............................. 4-2
4-17. Power Amplifier........................ 4-2
4-19. Monitor Circuit........................... 4-2
4-21. Output Attenuator........................ 4-2
4-24. Regulated Power Supply............ 4-3
Section Page
V MAINTENANCE......................................... 5-1
5-1. Introduction................................... 5-1
5-3. Required Test Equipment............... 5-1
5-5. Performance Checks........................ 5-1
5-7. Dial Accuracy Check.................. 5-1
5-8. Output Monitor Check.................. 5-2
5-9. Output Voltage Check.................. 5-2
Section Page
V MAINTENANCE (Cont'd)
5-10. Output Impedance Check...............5-2
5-11. Monitor Flatness Check...............5-2
5-12. Frequency Response Check .... 5-3
5-13. Distortion Check..........................5-3
5-14. Attenuation Check........................5-4
5-15. Adjustment and Calibration...............
Procedure......................................5-4
5-17. Cover Removal.............................5-4
5-20. Power Supply Voltage Adjustment . 5-4
5-21. Frequency Dial Calibration .... 5-4 5-22. X100, X1K,
and X10K Range
Frequency Calibration............5-7
5-23. X10 Range Frequency Calibration . 5-7
5-24. X1M Range Frequency
Calibration.............................5-7
5-25. X100K Range Frequency
Calibration.............................5-8
5-26. 10 MHz Flatness Adjustment . . . 5-8
5-27. Output Adjustment.......................5-8
5-30. Minimum Distortion Adjustment. . 5-9
5-31. Output Monitor Calibration .... 5-9
5-32. Troubleshooting Procedure...............5-9
5-37. Troubleshooting Information. . . . 5-9
5-39. Servicing Etched Circuit Boards .5-11
5-41. Servicing Rotary Switches............5-12
5-43. Servicing Tuner Assembly............5-12
Section Page
VI CIRCUIT DIAGRAMS.............................6-1/6-2
6-1. Introduction................................6-1/6-2
Section Page
VII REPLACEABLE PARTS ..........................7-1
7-1. Introduction......................................7-1
7-4. Ordering Information.......................7-1
7-6. Non-Listed Parts.............................7-1
Appendix
A CODE LIST OF MANUFACTURERS B SALES AND SERVICE OFFICES
HewlettPackard-6834-Manual-Page-1-Picture
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