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Monday, October 30, 2017

Circuit Schematic Diagram FM Stereo Demodulator using AN7415

ElcoHow. - This is one circuit schematic diagram of FM Stereo Demodulator using AN7415 that very useful for you who want to build stereo demodulator for your FM radio communication in this time.

In this time, we will give you global description about this FM Stereo Demodulator using AN7415 like in Figure 1 below, beside we give you circuit schematic diagram and component parts used in this circuit.

Circuit Schematic Diagram

Component Parts


  1. AN7415 IC
  2. Resistors
  3. Variable Resistors
  4. Capacitors
  5. LED

Description

This is circuit schematic diagram of FM Stereo Demodulator using AN7415 that can help you to build demodulator for FM stereo. The main component in this circuit is AN7415. 

According Circuitstoday site that also published this circuit describe that C1 is the input coupling capacitor which blocks any DC voltage present in the multiplexed input signal. LED D1 is an indicator LED and R1 is its current limiting resistor. C4 and C5 are the DC decoupling capacitors for the left and right output channels. C2 and C3 are the noise bypass capacitors for the left and right output channels. POT R2 can be used for adjusting the channel separation. Resistor R5 and capacitors C7 and C8 forms a low-pass filter network for the internal DC amplifier circuitry (see the block diagram of AN7415). C10 is a filter capacitor for the IC’s internal Schmitt trigger amplifier circuitry. C9 is a ripple filter capacitor for the voltage stabilizer circuit inside the AN7415. Resistor R3, POT R4 and Capacitor C6 sets the time constant of the internal VCO circuit. Hence POT R4 can be used for adjusting the VCO frequency. A 19KHz frequency check signal is available at the PIN 12 of the IC. Switch S1 can be used for enabling and disabling forced mono function. Read more HERE.


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