Equipment information

General Radio Company 1564-A Analyzer
Manufacturer:
Model:
1564-A
Date:
1964
Category:
Group:
Description:
SOUND AND VIBRATION ANALYZER

Information

The Type 1564-A Sound and Vibration Analyzer, Figure 1-1,is a portable instrument for the frequency analysis of voltages having components between 2.5 cps and 25 kc. The high input impedance of the Analyzer permits the direct connection of piezoelectric transducers for the analysis of high- level acoustical spectra. For low levels, the Analyzer can be operated in conjunction with a sound-level meter or a vibration meter. Designed for either manual or automatic tuning, the Analyzer can be used with a graphic level recorder, such as the General Radio Type 1521, to produce continuous plots of level as a function of frequency.

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Service and User Manual
Manual Type:
Service and User Manual
Pages:
53
Size:
16.08 Mbytes (16856070 Bytes)
Language:
english
Revision:
Manual-ID:
1564-0100-D
Date:
01 February 1967
Quality:
Scanned document, all readable.
Upload date:
30 December 2016
MD5:
7fba57274fd163ee0be0b80303080bcf
Downloads:
461

Information

1.2 Description ... * . 1 1.3 Controls and Connectors ... 2 1.4 Carrying Case ... 2 1.5 Accessories Supplied ... 3 1.6 Accessories Available ... 3 Section 2 OPERATING PROCEDURE ... 5 2.1 Opening the Flip-Tilt Case ... 5 2.2 Power Supply ... 5 2.3 Calibration ... 6 2.4 Operation with Type 1560-P5 Microphone or Type 1560-P6 Microphone Assembly ... 7 2.5 Use of the Type 1552-B Sound-Level Calibrator ... 9 2.7 Operation with Type 1560-P52 Vibration Pickup ... 9 2.8 Use with Type 1557-A Vibration Calibrator ... 10 2.9 Determination of Velocity and Displacement from Acceleration Measurements ... 10 2.10 Use with a Stroboscope ... 10 2.11 Operation as a Timed Voltmeter ... 11 2.12 Operation with a Sound-Level Meter ... 11 2.13 Operation with a Vibration Meter ... 12 2.14 Operation with Type 1560-P40 Preamplifier ... 13 2.15 Background Level ... 14 2.16 Choice of Meter Speeds ... 14 2.17 All-Pass Frequency Response and Effects of Microphone and Vibration Pickup ... 17 Section 3 PRINCIPLES OF OPERATION ... 19 3.1 General ... 21 3.2 Preamplifier Section ... 21 3.3 Filter Section ... 23 3.4 All-Pass Amplifier ... 24 3.5 Output Amplifier Section ... 25 3.6 Calibration Network ... 26 3.7 Power Supply ... 26 Section 4 SERVICE AND MAINTENANCE ... 27 4.1 General ... 27 4.2 Removal of Instrument from Case ... 27 4.3 Transistor Voltages ... 27 4.4 Internal Noise ... 28 4.5 Serviceability Test ... 29 4.6 Filter Realignment ... 30 PARTS LISTS AND SCHEMATICS ... 33 APPENDIX ... 39

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