Found in a 1967 Electronic Design, this transistorized circuit compresses and then expands a pulse. The circuit has a double adjustment and the transistors are of the time.
We found this easy start circuit in Electronics Now magazine from December 1993. The frequency is...
This tester from a 1960 magazine is only for capacitors with insulation voltages above 200 V (110...
This circuit was found in documentation from the 1970s. It eliminates contact bouncing, providing...