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.
April 2017 - Texas Instruments' new high-precision TMP468 sensor can now be obtained from Mouser...
We found this circuit in the September 1971 Radio Electronics magazine. The SCR can be any of the...
This 80's circuit uses germanium transistors like the AC125, AC151, AC163, 2N506 and others to...