TRANSMITTERS & TRANSCEIVERS

Type TBS Transmitter

DATE OF DESIGN

FREQUENCY RANGE

60 to 80 Mc/s.

POWER SUPPLIES

The four types of TBS equipments require supply voltages as stated below:
115 V DC used on 100/110 DC or 220 DC (only when relevant voltage dropping resistance is fitted) 230 V DC used on 220 DC.
220 V AC 50/60 c/s 3 phase on 230 AC 50/60 c/s 3 phase
440 V AC 50/60 c/s 3 phase on 400/440 AC 50/60 c/s 3 phase.
All equipments also require a 230 Volts, 50 c/s sngle phase AC supply of 260 Watts.

RANGE IN MILES.

TYPE OF SET (VALVES USED)

WAVEFORM

Voice and MCW.

ASSOCIATED WAVEMETER.

METHOD OF PRODUCING OSCILLATIONS

WHERE USED/FITTED

A VHF low power transmitter-receiver fitted in corvettes and above for inter-ship communiction.

FURTHER READING

PHOTOS, SCHEMATICS, DOCUMENTS

Details of Type TBS.

NOTES.

US Navy