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Wednesday, May 4, 2011

Simple Ham Radio Circuit Audio Filter Using 741 IC

Here’s a design circuit that has function that it will help to filter out the interference signal and ensure that the signal received from the Morse code station stand out. This is the figure of the circuit;

The earliest mode of radio communications is the use of Morse Code on a continuous wave carrier(CW) which is interrupted to generate a dit and dah in forming an alphabet. Component: 741 IC, Resistor, Capacitor, Battery, Inductor, Switch.[Circuit diagram source:]

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