Found in a 1965 General Electric circuit manual, this circuit uses SCRs from that time. Modern equivalents according to the power can be used.
This circuit, ideal for those who have signal problems in the UHF band, mainly in the reception of digital...
The frequency of this traditional crystal oscillator (XTAL) depends only on the used crystal,...
This is not such a sophisticated application, as it uses the two timers of a 556 in its normal...