We found this circuit in the Linear Applications Handbook of the National Semiconductor of 1994. The circuit can be adapted to use other operational amplifiers and the power supply must be symmetrical.
This circuit was found in a 1994 publication. It draws 1 of 41 LEDs when we press and then release...
This traditional version of timer was found in an old English publication. The relay must be of a...
We found this configuration in a 1972 RCA linear integrated circuits manual. The transistor admits...