This anti-ringing circuit was found in an English documentation from 1996. The integrated circuit is the 74LS14.
This oscillator, with an old operational from the 80's, was found in an American publication of the...
The power transistors of this 80's circuit should have at least 10 A current collector and mounted on...
August 2016 - It can be obtained from Mouser Electronics the battery protectors series bq7790x of...