This circuit supplies a continuous voltage at its output, which is the peak value of the alternating input voltage. The circuit is from a 90's EDN, making use of Maxim integrated circuits of the time.
This circuit came out in an American magazine that no longer exists. It's the Electronic...
This circuit originally came out in a Budget Electronics from 1981. The American magazine no...
This is the traditional audio preamp configuration with the National Semiconductor LM382. The...