Electronics Help Care electronics circuit diagram Amplifier circuit diagram using TDA8927J:
This is an amplifier circuit diagram using TDA8927J. It’s a stereo power amplifier. We can get 80+80 watts outputs. This is a class-D circuit board. We can use a minimum of 15-0-15 to 30-0-30 voltage. In 15-0-15 volts, we get 40+40 watts. And in 30-0-30 voltage, we get 80+80 watts.
TDA7293 TDA7294 PCB Layout Design:
This is the 200 Watts audio amplifier circuit diagram. using 30-0-30 voltage. It’s a stereo amplifier circuit diagram. It’s the TDA7293 TDA7294 PCB Layout Design. Both ICs can be used in this circuit board. and per channel got 100 watts. It’s a bridge-mode circuit.
This circuit doesn’t have speaker protection. Here is a speaker protection circuit. Here is the link to get the speaker protection circuit. The diagram is here
This is the Speaker protection circuit diagram. It can protect our Speaker from the burn. If the amplifier has any problem, then this circuit can save our soundbox. Normally, when the transistor makes a short circuit, the voltage comes out from the speaker output line, and then this circuit protects that voltage. This circuit should not allow any direct voltage to be sent to the speaker. This circuit is very important for protecting the speaker.
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