We found this circuit in a Radio Electronics from April 1965. The components are from the time and the power supply is for 12 V cars. The transistor must be equipped with a good heat radiator.
This simple circuit indicates when the two channels of stereo equipment are balanced. The diodes can...
We found this circuit with an operational transconductance amplifier in the Motorola Linear...
This circuit was obtained in an English magazine from 1978. We can easily assemble it because all...