|DATE OF DESIGN||Pre WW2|
|FREQUENCY RANGE||2000 - 18100 kc/s|
|POWER SUPPLY||230V AC. Taken from ships supply to supply a generator
unit having outputs of 3, 2 and 1 kW V D.C. for anodes and screen grids
supplies, 275 V D.C. for Bias Supplies and 160 V A.C. for filament
|TYPE OF SET||VALVE|
|WAVEFORM||TBM = CW MCW and RT : TBK = CW|
|METHOD OF PRODUCING OSCILLATIONS||Master Oscillator|
|WHERE USED/FITTED||TBM/TBK. Both sets are American designed and the only difference
between the two is that the TBK can only emit CW - it is not fitted with
a Modulator. The CW keying can be up to 100wpm whereas the keying for
MCW is restricted to 50wpm.
These sets have been fitted in some cruisers, light fleet carriers and 'Battle' class destroyers.
|ASSOCIATED WAVEMETER||GJ or GN|
|POWER OUTPUT||CW = 500W MCW = 350W and R/T = 350 W. Both sets can operate with a reduced output of 75W over the frequency band 2000-9050 kc/s but using CW only.|