Found in American documentation from the 90s, this circuit uses TTL technology and is therefore compatible with microcontroller drives. The circuit must be powered by a 5V power source.
This circuit can generate signals from 2 to 15 MHz or 4 to 22 MHz depending on the used components...
This interesting configuration was found in a 1965s Electronic Design. It makes use of components of...
The figure shows how to obtain a digitally programmed resistance using the 4066. The circuit is...