This is the another popular ARDF transmitter of the end of 20th century. It delivers about 0.25W output, crystal controlled, powered by three "flat" batteries, 300 ohm balanced output. There is used a simple dipole antenna made from TV flat cable, both radiator and feeder. Very reliable and durable, unfortunately, no timebase. Internal MOE..MO5 and MO keyer. The internal AM is not a sinewave, thus, slightly sharp to listen.

The weakest point of this TX is the keyer, made from ordinary TTL, using linear stabilizer from 12V downto 5V, thus, very power consuming. The consumption of the keyer is even greater, than the consumption of the whole TX ...


All photos are © OK1UHU, 2011