This configuration can be implemented with equivalent operations. The circuit is from the 1990 Motorola Linear Databook. The voltage gain is 100 times.
This space mark demodulator for FSK signals was found in an American telecommunication...
This one transistor stage for audio signals was found in an old publication of the year 1958. The...
This audio step operates directly with the 110 V mains voltage rectified and reduced. The output...