The idea of this circuit found in a Radio Electronics from January 1966. The idea of the circuit is to improve the reception of audio signals, mainly telegraphy, working as a filter.
This circuit is suitable for use with 1400 kHz range FI receivers. Changes can be made to other IF...
This circuit came out in the American magazine Electronics Now, in a 1993 issue. The magazine no...
This circuit produces rectangular and triangular signals using two 741 operational. The source must...