This filter for frequencies from 300 Hz to 3.4 kHz was found in the February 1995 Radio Electronics magazine. Other operational amplifiers can be experimented, and the source must be dual.
July 2017 - Mouser Electronics announced the availability of the new NXP MRFX1K80 RF LDMOS...
This triac circuit was found in the July 1995 Electronics Now magazine. The triac is based on the...
The tone produced by this circuit depends on the capacitor and the adjustment of the...