Suggested by a 1965 Electronic Design, this circuit has a gain of 15 dB at 45 MHz and can be changed to operate on other frequencies. The tetrode FET is an uncommon component today.
We find this circuit in a 1978 documentation. The circuit uses two inverters of a 4049 integrated...
This circuit shows how to implement a TTL compatible oscillator using a transistor. The circuit is...
We found this circuit in an American 1980s documentation. The circuit can be assembled with modern...