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 an 1989 R-E Experimenters Handbook, this circuit produces several sound effects that can...
This low frequency doubler requires a 50 mV signal at the input. The circuit is from an old...
This circuit is used to detect PLL signals from the 4046 IC. The circuit is from an Electronics Now from...