TRANSMITTERS & TRANSCEIVERS

Type 615 Transmitter

DATE OF DESIGN

FREQUENCY RANGE

40 to 43 MHz with four spot frequencies 40.2, 40.9, 41.4 and 42.15 MHz.

POWER SUPPLIES

HT 90 volts, LT 1.4 volts. Battery life is 24 hours (in three periods of 8 hours) with a transmit-receive ration of 1:5.

RANGE IN MILES.

TYPE OF SET (VALVES USED)

WAVEFORM

ASSOCIATED WAVEMETER.

METHOD OF PRODUCING OSCILLATIONS

WHERE USED/FITTED

A short range tropicalised portable FM transmitter-receiver for Voice communications (Army Wireless Set No 88).

FURTHER READING

PHOTOS, SCHEMATICS, DOCUMENTS

Photographs and Schematics

NOTES.

BR 1827