General Radio Company 1493-9811 Rack Amplifier
Manufacturer:
Model:
1493-9811 Rack
Date:
1967
Category:
Group:
Description:
PRECISION DECADE TRANSFORMER

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.

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Service and User Manual
Manual type:
Service and User Manual
Pages:
25
Size:
18.37 Mbytes (19265149 Bytes)
Language:
english
Revision:
Manual ID:
1493-0100-A
Date:
01 March 1967
Quality:
Scanned document, all readable.
Upload date:
30 December 2016
MD5:
6be1729ededdf629ba88020475d24bf2
Downloads:
545

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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