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Universal HF Drive Unit MA-79G

Country:  Great Britain (UK)
Manufacturer / Brand:  Racal Engineering (Racal Instruments) Ltd., Bracknell
Year: 1960 ?? Category: Commercial Transmitter (TX not Transceiver)
Wave bands Short Wave (SW only)
Power type and voltage Alternating Current supply (AC) / 100-125; 200-250 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Model: Universal HF Drive Unit MA-79G - Racal Engineering Racal
Material Metal case
Shape Rack
Dimensions (WHD) 483 x 277 x 540 mm / 19 x 10.9 x 21.3 inch
Notes Driver unit, acts as transmitter but provides output RF power of only 100 mW to drive a linear amplifier.
Coverage 1,5 - 30 MHz, AM (A3), CW (A1), SSB (A3a, A3j), FSK (F1).
Uses Wadley loop technology for output frequency stability, in addition 6 crystal controlled channels or an external VFO can be used.
Matching accessories:
MA-143B: six channel crystal controlled oscilator
MA-350B: Decade Generator
MA-141: HF distortion indicator / meter
MA-144 Antenna tuning unit
MA-152: SWR meter
MA-175: ISB modulator, 300 - 3500 Hz audio response
MA-202: ISB modulator, 300 - 6000 Hz audio response;
matching transmitters are TA-127, TA-349 or TA-184
Net weight (2.2 lb = 1 kg) 27.2 kg / 59 lb 14.6 oz (59.912 lb)
Literature/Schematics (1) Racal Handbook, Rinus Jansen

Model page created by Martin Bösch. See "Data change" for further contributors.

All listed radios etc. from Racal Engineering (Racal Instruments) Ltd., Bracknell
Here you find 105 models, 50 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.