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TDA2822 Wireless headset circuit diagram

2016-11-28 20:03  
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TDA2822 Wireless headset circuit diagram
TDA2822-B Wireless headset is the voice tool for students to listen to electronic teaching pronunciation, the failure rate is higher. Because the relevant materialthat manufacturer offer is not neat,writter draw a diagram according to the real. TDA2822M is a double channel audio amplifier integrated circuit. Magnetic coil S receives the audio signal,and sends to integrated blockpin6 fromvolume potentiometer W center tap ,after internal amplification it is output by pin 3,then it isadded to two parallel headphonesby coupling capacitors C2 to makevoice.