This circuit was found in an old documentation, being able to generate signals of frequencies in the range of 50 to 100 MHz. The components are of the time.
The figure shows how to use an 8080 in a digital to analog converter. The circuit is from a Radio...
We found this circuit with PUT in an American publication from the 1980s. PUT is not a common...
This circuit was found in a 1968 documentation. It makes use of both NO and NC reed-switches and small...