This circuit is from a 70s Burr Brown documentation. The components are from the time and the waveforms given next to the diagram.
In a voltage follower, the voltage gain is unitary, the input impedance is very high, and the...
This circuit has the coil tuned input according to the operating frequency range. The indicator can...
This circuit was originally designed for the practice of Morse code, something common in 1966, the year...