Found in old documentation, this circuit consists of a simple power source where the transistor must be equipped with a heat sink. A indicated transistor can be the TIP32.
This circuit is from a 1967 documentation. It consists of a sensor for memories used at the time....
We found this circuit in the November 1992 issue of Radio Electronics magazine. The circuit has...
Found in EEE documentation, this circuit can have the duration and frequency adjusted separately....