The FM signal generator TF1066B from Marconi Instruments from 1960, containing 8 tubes and 3 transistors. It could be used to generate and frequency-modulate carrier frequencies from 10 MHz to 470 MHz, e.g. to transmit signals in the FM band.
The FM signal generator TF1066B from Marconi Instruments from 1960, containing 8 tubes and 3 transistors. It could be used to generate and frequency-modulate carrier frequencies from 10 MHz to 470 MHz, e.g. to transmit signals in the FM band.