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.
We found this circuit in the Texas Instruments' Linear Circuits Applications. It uses an...
The integrated circuit of this pulse generator is 4093 and the frequency can be between a fraction of...
This circuit was found in the November 1989 Radio Electronics magazine. Power supply depends on...