This amplifier in common mode was obtained in an Electronic Design from the 90's. The circuit is valid for any operational, remembering that the power supply must be symmetrical.
This small-range MW transmitter can be used as a wireless microphone. The circuit is from an...
This single-transistor oscillator was found in Radio Electronics magazine from February 1962. The...
This source for common, non-high-power car radios can be used on the bench. It was found in a...