Employing a unijunction and a triac of the era, this 1964 Electronic Design circuit uses a diac to trigger the Triac.
We found this two stage transistor amplifier circuit using RC coupling in a magazine published in...
With this circuit it is possible to receive VHF stations up to 100 MHz on a common FM receiver tuned...
This passive tuned circuit was found in a 90s Popular Electronics. The coils must be according to the...