HARDWARE ONLY SAMPLE AND HOLD AUTOMATIC LEVEL CONTROL WITH INFINITE HOLD TIME
Original Publication Date: 1996-Aug-01
Included in the Prior Art Database: 2002-Apr-19
This works good and can be implemented with very little circuitry. Unfortunately, even low leakage capac- itors and high input impedance Op-Amps cannot hold the charge for extended periods of time. Even several minutes is beyond the reach ofthese circuits.