This circuit was found in Radio Electronics from the 90s. The CMOS integrated circuit is a PLL not easy to obtain today. The output stage can be exchanged for another one with greater power.
Used in audio circuits in the excitation of output stages, this circuit provides audio signals with...
This interesting configuration uses two speakers as a load to have a push-pull excitation with...
This sweep generator or current-controlled oscillator was found in Popular Electronics from...