This circuit is from a Radio Electronics from February 1966. The circuit is of a type that was found in many applications at the time as output from radios, televisions and other equipment.
We found this circuit in a 1975 filter cookbook. The circuit can use other operational amplifiers and...
The purpose of this circuit found in a Popular Electronics from 1972 is to intensify certain...
This circuit was found in a 1964 magazine, which no longer exists. It is a small wireless...