Found in a 1968 Motorola manual, this DC circuit uses components from the era. The circuit fires in microsecond times. The Q3 transistor must be according to the controlled load.
This filter configuration used in telecommunications uses 4 Jaumnann crystals that are interesting for...
Found in old documentation, this circuit uses an SCR like the TIC106 that must be equipped with a...
This crystal configuration can be made with triggers of any logic. The frequency is given by the...