Equipment information
General Radio Company 1493-9811 Rack Amplifier
Manufacturer:
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Model:
1493-9811 Rack
Date:
1967
Category:
Group:
Description:
Information
The Type 1493 Precision Decade Transformer
is a highly accurate, adjustabe-ratio transformer.
When connected to a suitable ac source, this instrument
can be set for any output between -0.1111111
and +1.1111111 times the input voltage.
In general, the principal applications of the
Type 1493 are the measurement of unknown ratios and
the accurate measurement of complex impedances in
transformer bridge circuits . Within the se two broad
measurement areas , the uses for this precis ion transformer
cover a wide range of specific applications.
Manual Type:
Service and User Manual
Pages:
25
Size:
18.37 Mbytes (19265149 Bytes)
Language:
english
Revision:
Manual-ID:
1493-0100-A
Date:
1967 03 01
Quality:
Scanned document, all readable.
Upload date:
2016 12 30
MD5:
6be1729ededdf629ba88020475d24bf2
Downloads:
1133
Information
Section 1
INTRODUCTION ...
4
1.1 Purpose
' ... 4
1.2 D e s c r i p t i o n
...
4
Section 2 OPERATING
PROCEDURE ... 6
2.1 In s ta lla
tion ... 6
2.2 O p e r a t i o n
... 7
Section 3
APPLICATIONS ... 8
3.1 G e n e r a l
... 8
3.2 Ratio
Measurements ... 8
3.3 Bridge M e a s u r em e n t s
... 10
Section 4 PRINCIPLES OF
OPERATION ... 14
4.1 Physical C o n s t r u c t io n
... 14
4.2 Circuit D e s c r ip t io n
... 16
Section 5 SERVICE AND
MAINTENANCE ... 17
5.1 W a r r a n t y
...
17
5.2 S e r v i c e
... 17
5.3 Repair and C a l ib ra t io n
... 17
PARTS L I S T
...
18
SCHEMATIC DIAGRAM
APPENDIX ...
19
20
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