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.
Found in 1966 General Electric documentation, this circuit uses solicon unilateral switches (SUS)...
This is an experimental crystal radio that uses no power source. The antenna must be very long (at...
The purpose of this circuit is to let the signals of the frequency range corresponding to the...