This circuit was obtained from an 80's Radio Electronics. The circuit decodes “scrambled” or sinusoidal encoded signals by providing an audio signal at the output.
We find this circuit in an old American documentation. It can provide a 25 dB compression in a...
This circuit is from a technical manual of the 80's. The operational ones are of the time like the...
This circuit was obtained from a Popular Electronics of 1994. The magazine no longer exists in its...