This 9 V battery eliminator was found in Radio Electronics magazine from June 1966. The transistor is of medium power and must be equipped with a small heat sink.
This circuit was found in documentation from 1977. It consists of a bridge of capacitances using a 50...
We found this circuit in a Gernsback documentation from 1960. The circuit is intended for...
The frequency of this traditional crystal oscillator (XTAL) depends only on the used crystal,...