This circuit has a gain of 34 dB and a good power to be used as an audio booster in cars. The configuration was found in the 1982 SGS linear integrated circuit manual.
This circuit, suggested by National Semiconductor, decodes audio signals from stereo TV...
Found in a 1970 documentation, this circuit makes use of 741 operational amplifiers that are...
Suggested by General Electric in 1967 documentation this circuit uses an isolation transformer to...