Found in a Popular Electronics from the 90s, this circuit generates signals from 2 Hz to 30 kHz in different bands. The circuit can be powered by voltages from 5 to 12 V, depending on the application.
This circuit consists of a rearrangement of the previous circuit also using 4 relays. We found this...
This circuit limits the intensity of an audio signal from a control voltage. The circuit is from a...
This limiting circuit or Clipper was found in a 1977 documentation. The circuit uses only passive...