Found in 1967 General Electric documentation this circuit uses a PUT and a diac to generate 1 kHz signals. The circuit has a start switch.
Found in a QST magazine from the 90s, this powerful unit is intended to supply a VHF transceiver for...
With the precision given by the crystal this circuit provides signals of several frequencies for the...
This circuit was found in an American documentation from the 80's. The components are from that...