関連ワード:  what is a class a b amplifier    what is a class b power amplifier    what is class b amplifier explain    what is class a b amplification    what is a class b push pull amplifier    what does a class b amplifier do    what is the output of a class b amplifier for sinusoidal input    in what application is a class b amplifier typically used    what is the efficiency of a class b amplifier    what does class a/b amp mean