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 Motorola can be used as LED high frequency modulator. One possible...
Found in a 1969 EEE, this circuit is based on an operational amplifier of the time and on old type...
This unit is intended to power 2 AA or AAA battery powered applications from the car battery,...