We found this circuit in a 1969 Mullard documentation. The same configuration appears elsewhere in this section. The control range is -2 dB to 19.5 dB at 30 Hz.
This circuit was found in the 1969 RCA thyristor manual. The circuit has a limiter (clipping) with two 12...
This circuit is from the 1990 Motorola Linear Databook, which can be developed with more modern...
This circuit turns off after a time that depends on C1. The circuit is from an Electronics Now...