Sunday, December 25, 2016

Circuit Diagram 100W Audio Amplifier using TDA7294 IC

Robotronicdiagram. - This is one circuit diagram of 100W Audio Amplifier using TDA7294 IC like in Figure 1 below. The main component in this circuit diagram is TDA7294 IC. 

In here we will show you also the component parts used and the simple description of this circuit diagram and the last we will give you link to read more about this circuit from original source. 

Circuit Diagram 

Component Part
  1. TDA7294 IC
  2. Resistors
  3. Capacitors
  4. Speakers

Circuit diagram like in figure 1 above is Circuit Diagram 100W Audio Amplifier using TDA7294 IC. According Circuitstoday site describe that in the circuit TDA7294 is configured to provide 100W output power into an 8Ohm loudspeaker at +/- 38V supply. C8 is the input coupling capacitor and the input is applied to the non-inverting input (Pin3) of the IC. C3 and C9 are power supply filter capacitors while C10 and C4 are bypass capacitors. C2 is the bootstrap capacitor. RC network comprising of R1 and C1 improves the high frequency stability of the amplifier and also prevents oscillations. R2 and C6 sets the mute time constant while R3 and C5 sets the standby time constant. S1 and the mute switch and S2 are the standby switch. R5 is the input resistance and the amplifiers input impedance has a direct relationship to its value. R4 and R6 is used for setting type closed loop gain and with the used value, gain is 30dB. C2 is a feedback capacitor and it also provides DC decoupling.

Please read more this article from original source about this circuit diagram of 100W Audio Amplifier using TDA7294 IC using link Here.

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