Using an LDR as a sensor and an operational amplifier this circuit was found in the Encyclopedia of Electronic Circuits volume 5 from 1995. The circuit triggers an optodiac.
The presented circuit generates a pulse whose delay in relation to the input depends on RC. These...
Found in documentation from the 70s, this circuit makes use of SCRs of the time. Modern equivalent types...
This circuit was found in a Linear Technology manual from the 1990s. The circuit makes use of the...