General Radio Company - 1564-A - Analyzer
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General Radio Company 1564-A
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Equipment:
1564-A
Date:
1964
Category:
Group:
Sub Group:
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.
1 Manual
Service and user manual
Manual type:
Service and user manual
Pages:
53
Size:
16.1 MB
Language:
english
Revision:
Manual-ID:
1564-0100-D
Date:
February 1967
Quality:
Scanned document, all readable.
Upload date:
Dec. 30, 2016
MD5:
7fba5727-4fd1-63ee-0be0-b80303080bcf
Information
1.2
Description...*
. 1
1.3 Controls and
Connectors...2
1.4 Carrying
Case...2
1.5 Accessories upplied...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 8
2.6 Effect of Presence of Observer and Instrument Case ... 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
2.18 Operation with Type 1521 Graphic Level Recorder ... 17
Section 3 PRINCIPLES OF
OPERATION...19
3.1
General...21
3.2 Preamplifier
Section...21
3.3 Filter ection...23
3.4 All-Pass Amplifier 24
3.5 Output Amplifier ection...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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