The main use of PWM is in power electronics, for example for motor control. When generating analogue signals, the bad thing is that PWM resolution goes rapidly down with required signal bandwidth. For example, 100 kHz PWM period could be sufficient for generating hi quality audio signal without the need of complicated analogue output filters. With 20 MHz base frequency you get 7.64-bit resolution, with 100 MHz you get to 10 bits.
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Servo Control
This is good for toys, but a hi-fi audio signal needs 16-bit resolution. or to post comments.
This is good for toys, but a hi-fi audio signal needs 16-bit resolution. or to post comments.
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