With a 10 V input this circuit provides a 25 V output. The circuit is from December 1985 Radio Electronics.
This circuit was obtained in a 1978 publication. The SCR may be the TIC106. What it does is act as a...
This flasher of two incandescent lamps was discovered in a 1983 documentation and it has two...
This QST circuit generates 4 frequency signals according to the crystals used. Transistors admit...