TRANSMITTERS & TRANSCEIVERS

Type 612 Transmitter

DATE OF DESIGN

FREQUENCY RANGE

Tx 5AH - 1.5 to 13.0 MHz.
Rx B46 - 1.4 to 15.0 MHz.
Rx B47 - 40 to 500 KHz and 15 to 27 KHz

POWER SUPPLIES

Tx 5AH and Rx B46 and B47 can be operated from 24V D.C. 230V 50Hz.

RANGE IN MILES.

TYPE OF SET (VALVES USED)

WAVEFORM

CW, MCW and Voice.

ASSOCIATED WAVEMETER.

METHOD OF PRODUCING OSCILLATIONS

WHERE USED/FITTED

A general purpose low power HF AM transmitter, HF receiver and a M, L, and VLF receiver, the equipment being designed as a number of transportable watertight units.
Type 612E - emergency equipment in destroyers and replaces Types TCS and 607/8.
Type 612EF/F - emergency transmitter in Bridge wireless office of cruisers and 2nd wireless office of flotilla Leanders and replaces Type 60EQR.
Type 612ET - temporary shore station used by landing parties etc and replaces Type 52ERT. The equipment can be moved and erected by two men.

FURTHER READING

PHOTOS, SCHEMATICS, DOCUMENTS

Details of Transmitter Type 612

NOTES.

BR 1616 (1)(2)