This circuit was found in a 90s RF Design. It is an oscillator that can reach 800 MHz, with the frequency controlled by an input voltage.
This circuit was originally designed to automatically turn on a television when a video game is...
Designed by Philips in 1968 to control the washer water level this circuit uses components from the era....
This circuit uses an optical coupler called Raystor created by Raytheon in the 1960s. The circuit...