This traditional TTL configuration was obtained in a 1977 documentation. The supply must be made with 5 V and the capacitors can be changed for operation at other frequencies.
Found in an old Radio Electronics, this circuit is intended for the modulation of composite video...
) This variable frequency oscillator was found in an old American documentation. Transistors allow more...
This ultra-simple experimental receiver can be powered by a battery of water and salt. It was...