5874E)
This circuit uses an optocoupler to switch a load on the power grid. The circuit is from Electronics Now magazine, July 1995. The CA3059 is not common today.
This configuration with the LM383 appears elsewhere on this site. The circuit shown was obtained...
This circuit was found in National Semiconductor documentation from the 1990s. It has cold...
This simulation shows how to use an operational amplifier as a voltage comparator. The sample uses the...