This circuit limits the intensity of an audio signal from a control voltage. The circuit is from a 90’s Radio Electronics. The coupler is a type that uses LDR.
Found in English documentation, this circuit uses a thermistor as a sensor. The trigger point is...
The circuit is from the 1990 Motorola Linear Databook. Equivalent operations can be used and what...
We find this circuit in an old documentation, but it can be made using modern transistors. The circuit...