This transmitter for the 2-meter range with a power of 1.5 W was found in a magazine 73 for radio amateurs. No information was provided about the coils.
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...