Answer
Sep 11, 2024 - 01:02 PM
A Class A amplifier operates with its output transistors always on, providing high linearity and low distortion but with low efficiency and high heat dissipation. In contrast, a Class D amplifier uses pulse-width modulation (PWM) to switch its transistors on and off rapidly, resulting in much higher efficiency and lower heat production, though it may introduce more distortion compared to Class A.
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