SCA broadcast receiver circuit diagram


Posted on Mar 28, 2007

This figure is converted into the manifold LM567 SCA broadcast reception information machine schematic. LM567 narrow-band phase-locked loop center to meet the basic role of SCA broadcast demodulation.


SCA broadcast receiver circuit diagram
Click here to download the full size of the above Circuit.

R2 LM567 5,6,7 feet between the potentiometer W, C6 determine the IC internal VCO center frequency, the center frequency can be locked trimmer potentiometer W to adjust. Inductance coil B 0.088 enameled high strength available in 10X10 (mm) IF-shaped core transformer 360 laps around the inductance of 3mH, select the resonant capacitor 2200pF ceramic capacitor, W can be used to fine-tune the resistance, no special requirements other components.




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