This 1 kHz filter was found in the March 1997 issue of Electronics Now magazine. The circuit is applicable to any operational amplifier with a dual power source.
Author: Newton C. Braga Published:August 1, 1998 Formato:Book and e-Book Pages:...
This circuit activates a flashlight for a specified time. The relay is a highly sensitive reed...
This circuit is from an old RCA MOSFET manual from the 70s. The circuit can be implemented with...