We found this active crossover in a Radio Electronics magazine from June 1961. Note the different adjustment ranges. The signal must be applied to the amplifier input.
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...