This modulator circuit for low intensity signals is from old documentation. The integrated circuit used is uncommon today. The circuit operates with signals up to 2MHz.
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...