The purpose of this circuit is to limit the noise of an audio signal. Diodes are made of germanium. The circuit is from an old American manual.
This circuit was found in a 90s Popular Electronics. With it, using a 4066, it is possible to...
This circuit was found in a Popular Electronics from the 90s. The circuit has temperature...
In the figure we have the basic application of an LM3900 transconductance amplifier, as suggested by...