This circuit with the ULN3784B appeared in the October 1984 issue of Radio Electronics magazine. It can typically be powered from 9 to 24 V.
Using the 555 this circuit was found in a Popular Electronics from the 90's. The circuit directly...
This Ditherizing circuit is used in digital audio for effect production. The circuit is from a...
We found this transmitter circuit with a single chip in the Motorola Linear Databook of 1990. The...