名词
中文翻译：高增益晶体管
同义词：
['high-gain transistor', 'high-impedance amplifier']
例句：
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1. The high-gain transistor is used in the amplification stage of the audio amplifier.
高增益晶体管用于音频放大器的放大阶段。
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2. The high-gain transistor is also commonly used in radios and televisions to improve signal strength.
高增益晶体管也常用于收音机和电视机中，以增强信号强度。
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3. In high-gain transistors, the base current is increased to increase the collector current, which inturn increases the gain.
在高增益晶体管中，基极电流增加以增加集电极电流，进而增加增益。