This circuit is from an Electronics World of 1967. The circuit slows down the activation of a headlight. The capacitor determines the delay time.
The gain of the operational amplifier shown in the figure depends on the feedback resistor,...
June 2016 - It can be obtained from Mouser Electronics the new gate driver optocoupler from...
Figure shows the basic application of a data selector using the 4051 . The same configuration is...