We find this circuit in a 1980s Linear Technology documentation. The circuit can be implemented on the basis of more modern equivalent components.
We found this circuit in a Texas Instruments optoelectronics manual. The audio modulator serves for...
This Baxandall tone control circuit is based on the JFET integrated circuit at the CA3140 input. The...
In the figure we have an amplifier step configuration with a transistor suggested by a 1985...