OSCILLATOR No. 118C


The Oscillator No. 118C is a 1.3 kHz Transistor Oscillator.  The Oscillator is housed in a metal case and is normally carried in a Satchel No . 5A.

The Oscillator is operated from a 9.0v supply obtained from two Batteries Dry No. 29.  It provides a 1.3 kHz tone source of 0.5 watt into 200 ohms and has been designed for use with cable balancing and cross talk measuring equipment.

To be requisitioned separately as required:-
2 x Battery, Dry No. 29.
1 x Satchel No. 5A.

This Oscillator superseded the Oscillator No. 57A.

Drawings - 92009, 92907, 92946 and 92949.

Circuit Diagrams - SA9206.

Specification - D2408.












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Last revised: December 04, 2025
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