TRANSMITTERS & TRANSCEIVERS

Type 693 Transmitter

DATE OF DESIGN

FREQUENCY RANGE

225 to 399.9 MHz.

POWER SUPPLIES

Main Supply - 115 V or 230 V 50/60 Hz.
Anti condensation heaters 115/230 V 50/60 Hz or 220 V DC

RANGE IN MILES.

TYPE OF SET (VALVES USED)

WAVEFORM

AM CW.

ASSOCIATED WAVEMETER.

METHOD OF PRODUCING OSCILLATIONS

WHERE USED/FITTED

Medium power UHF multi-channel transmitter primarily for ship-air communication.

FURTHER READING

PHOTOS, SCHEMATICS, DOCUMENTS

Details of Type 693

NOTES.

BR 1492A