The presented circuit makes use of a common operational amplifier that must be powered by a symmetrical source. R resistors from 10k to 1M determine the gain and compression of the signal.
We find this circuit in American documentation from the 1980s. The accuracy of the circuit depends on the...
This circuit was found in an 80's Electronic Engineering. The circuit uses a multivibrator with...
Found in American documentation from the 1980s, this circuit applies to modern operational...