This filter was found in an 80's English publication. However, it can be implemented with modern operating systems. The circuit can tune frequencies in a range from 10,000 to 1.
Motorola's integrated circuit used in this' 70s amplifier is no longer common today. Neither do...
The presented circuit was found in the National Semiconductor FET Databook. The setting applies to other...
This circuit consists of a current regulator that can be used in battery chargers. The...