The circuit shown is from a 1994 National Semiconductor documentation and can be implemented with more modern operational amplifiers. The power supply must be symmetrical.
This circuit was found in February 1976, Radio Electronics magazine. The circuit is powered by 12 V...
This switching power supply was found in an Electronic Design from the 90s. The components are...
This Cross Fader as it is also known causes the brightness of one lamp to increase while the...