Donny Ariyanto
Q: what the meaning PWM? same as speaker ?
Asked by Donny Ariyanto on 2019-12-04 12:53:52
wuchuangbin It is an analog control method, which modulates the bias of the transistor base or the gate of the MOS tube according to the change of the corresponding load to achieve the change of the on-time of the transistor or the MOS tube, so as to change the output of the switching regulated power supply. This method can keep the output voltage of the power supply constant when the operating conditions change. It is a very effective technique for controlling analog circuits by using digital signals of the microprocessor. Pulse width modulation is a very effective technique for controlling analog circuits using the digital output of a microprocessor. It is widely used in many fields from measurement and communication to power control and conversion.
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