This circuit uses a CMOS integrated circuit as a basic element and can be combined with the previous circuits. The circuit is from a Radio Electronics from May 1990.
This is a circuit suggested by Linear Technology in a 1980s documentation. The integrated circuit is from...
The circuit presented was found in the 1994 National Instruments Linear Applications Handbook and...
This circuit was found in a 90s Radio Electronics. It is intended to amplify the sound channel of...