The circuit presented is a documentation for radio amateurs from 1978. Implemented with common CMOS and linear components, it indicates CMOS logic levels.
This circuit is from 2001 documentation and consists of a small FM transmitter with two inputs, one...
A very interesting and versatile filter circuit, suggested by National Semiconductor is the one...
In this application, from English documentation, we have the way to activate an AC load up to 10 W...