This digital signal attenuator was found in a 90s Electronic Design. The circuit operates at frequencies that are determined by the characteristics of the attenuator circuit.
This circuit can be used in the car to control the windscreen wipper or with other appliances at...
The integrated circuit used is not very common today. Transistors can be replaced by more modern...
Found in a 1960 Sylvania manual, this circuit is intended to measure audio signals frequency....