We found this circuit in the 1990 Motorola Linear Databook. The circuit must use symmetric source and has 10times the voltage gain.
An audio amplifier of good power, and great sensitivity; a simple tuning step and a detecting...
The circuit shown is suggested by National Semiconductor in its 1994 Linear Applications Handbook. We...
This simple circuit can use general purpose transistors and SCRs like the TIC106. The warning...