The LM121 integrated circuit is no longer common in our market, with more modern equivalent versions. The circuit is from the 1994 Linear Applications Handbook by National Semiconductor.
The MC1455 integrated circuit consists of a version of the 555 made by Motorola. The circuit given...
This circuit, from the ON Semiconductor Thyristor Manual, controls both the speed and direction of...
This circuit allows linear brightness control of an LED from an input voltage. The power supply must...