This simple circuit is intended to test the zener test. RV1 can be calibrated in terms of voltage. The maximum voltage of the tested zener is that used in the circuit supply.
This stereo circuit with the 2002 integrated circuit. The power is 6 W per channel with 16 V of...
We found this circuit in Popular Electronics from 1992. Transistors admit equivalents....
This circuit was found in a 73 magazine for radio amateurs from the 90s. The circuit uses high...