This 1 MHz oscillator was found in an Electronics World of 1969. The circuit uses a general-purpose FET and the output circuit must be resonant at the generated frequency.
This simple circuit with sensors formed by bars or separate screens triggers in the presence of...
This simple circuit presents a voltage gain of about 1,500. The input impedance is high and the...
This circuit came out in a Frances Toute LÉlectronique magazine from July 1978, but can still be...