Using two 741 operational amplifiers, this low-pass circuit has a cutoff frequency of 10 kHz. We found it in an article in the magazine Electronics Now from August 1993.
November 3, 2015 - Mouser Electronics, Inc. is now shipping the new Intel® Quark™ microcontroller...
We found this circuit in the March 1992 issue of Radio Electronics magazine. The circuit has a...
This circuit is from an old documentation but still current for assembly. Just use BC548 instead...