Electronics Help Care electronics circuit diagram
Class d amplifier using STA500 to STA518:
This is the Class D amplifier using STA500 to STA518. This is the circuit diagram for 10 ICs. STA500 volts 5v to 40v, output 2X30Watts. STA505 volts 5v to 40v, output 2X40Watts. STA505A volts 5v to 45v, output 2X50Watts. STA506 volts 5v to 45v, output 2X60Watts. STA506A volts 5v to 40v, output 2X70Watts. STA508 volts 5v to 45v, output 2X80Watts. STA515 volts 5v to 40v, output 2X40Watts. STA516B volts 10v to 52v, output 2X160Watts. STA5017B volts 10v to 52v, output 2X175Watts. STA518 volts 5v to 40v, output 2X24Watts.. All the circuit diagrams are the same. All IC run with 5 voltage to 40 voltage.
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This is the Speaker protection circuit diagram. It can protect our Speaker from the burn. If the amplifier has any problems, this circuit can save our soundbox. Normally, when the transistor makes a short circuit, the voltage comes out from the speaker output line, and this circuit protects that voltage. This circuit should not allow direct voltage to be sent to the speaker. This circuit is essential for protecting the speaker.
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