TRANSMITTERS & TRANSCEIVERS

Type 618 Transmitter

DATE OF DESIGN

FREQUENCY RANGE

HF - 1.5 to 16 MHz. MF - 330 to 550 kHz.

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

HF - CW, MCW and Voice. MF - CW and MCW.

ASSOCIATED WAVEMETER.

METHOD OF PRODUCING OSCILLATIONS

Master Oscillator.

WHERE USED/FITTED

A general purpose low power transmitter fitted in all classes of ships to replace Types TCS, 607E, 608E and 60EQR.

FURTHER READING

Details of Transmitter Type 618 and CAS

PHOTOS, SCHEMATICS, DOCUMENTS

Photographs and Schematics

NOTES.