This is a battery powered 3W power amplifier using germanium transistors. The circuit is from an English documentation from 1967. The transistors are from the time.
May 2017 - This proximity and touch controller from Azoteq can control 12 mutual channels and can...
This circuit is from an American 80's documentation. The circuit indicates when the voltage of a 9 V...
The configuration shown in the figure allows you to implement an debounced switch with CMOS or TTL...