TRANSMITTERS & TRANSCEIVERS

Type 631 and 636 Transmitter

DATE OF DESIGN

FREQUENCY RANGE

Type 631 - 36 to 60 Mc/s. 241 separate channels at 100 kc/s separation.
Type 636 - 22 to 38 MHz.

POWER SUPPLIES

12 V or 24 V battery.

RANGE IN MILES.

10 miles.

TYPE OF SET (VALVES USED)

WAVEFORM

FM Voice.

ASSOCIATED WAVEMETER.

METHOD OF PRODUCING OSCILLATIONS

WHERE USED/FITTED

Army Type C42 Transceiver fitted in ships to provide communications with forces ashore using Types 620 and 615.

FURTHER READING

PHOTOS, SCHEMATICS, DOCUMENTS

Details of Transmitter Type 631 and 636.

NOTES.

Only difference between a 631 and a 636 is the frequency range.