This simple Morse Code oscillator was found in a 1980s American documentation. The power supply should be powered with 5V and the integrated can be the 7400.
This circuit was suggested by a Radio Shack publication from the 1980s. The purpose of this...
September 2017 - Mouser Electronics is now offering Microchip MTD6508 engine drivers. These...
This circuit is suitable for SSB modulation and was obtained from an amateur radio documentation from...