A deep negative feedback operation amplifier used in band gap reference is a common source and gate folded cascade operation amplifier with a lower offset voltage and a higher gain.

该带隙电压基准源电路中的深度负反馈运算放大器为低失调、高增益的折叠型共源共栅运算放大器。

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Optical amplifier, method for controlling excitation light source in optical amplifier, and method for controlling optical amplifier.

光放大器，用于光放器中的激励光源控制方法，和光放大器控制方法。

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A current-driven common source amplifier which is biased on class AB constitute the output stage.

由偏置在AB类的电流驱动的共源放大器构成输出级；

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Other new features include a new digital amplifier, a Bluetooth remote, and a settings memory to remember your source, volume and EQ levels for next time.

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In order to fully exploit the sound potential of the HDVD 800 with any audio source, a rotary gain switch at the rear of the unit provides simple adaptation of the amplifier output to the audio input voltage.

ENGADGET: Sennheiser unveils HDVA 600 analog headphone amp, asks for $1,600