This circuit has a maximum frequency of 10 kHz and a linearity better than 0.01%. The circuit is from an 80's documentation making use of integrated of the time.
This circuit was found in Radio Electronics from May 1965. The SCRs and transistors are from that...
Found in a 70s RCA manual, this circuit uses transistors from the era. Equivalent types can be...
This circuit is placed between the instrument pickup and the amplifier input. The same version can...