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词汇 Common emitter
分类 英语词汇 英语翻译词典
释义

Common emitter

中文百科

共射极

图1. 基本的 NPN 共射极电路 (忽略偏置细节)。
Figure 2: Adding an emitter resistor decreases gain, but increases linearity and stability
Figure 3: Single-ended npn common-emitter amplifier with emitter degeneration. The AC-coupled circuit acts as a level-shifter amplifier. Here, the base–emitter voltage drop is assumed to be 0.65 Volts.
Montage amplificateur à émetteur commun avec contre réaction et couplage alternatif

在电子学里，共射极放大器是三个基本单级BJT放大器结构的其中一种，通常被使用于电压放大器。在这个电路中，基极作为输入端，集极作为输出端，射极为共用端（它可能接地，或是接到电源）。类似在场效应管电路的共源极（common source）。

英语百科

Common emitter 共射极

Figure 1: Basic NPN common-emitter circuit (neglecting biasing details).
Figure 2: Adding an emitter resistor decreases gain, but increases linearity and stability
Figure 3: Single-ended npn common-emitter amplifier with emitter degeneration. The AC-coupled circuit acts as a level-shifter amplifier. Here, the base–emitter voltage drop is assumed to be 0.65 Volts.
Montage amplificateur à émetteur commun avec contre réaction et couplage alternatif

In electronics, a common emitter amplifier is one of three basic single-stage bipolar-junction-transistor (BJT) amplifier topologies, typically used as a voltage amplifier.

In this circuit the base terminal of the transistor serves as the input, the collector is the output, and the emitter is common to both (for example, it may be tied to ground reference or a power supply rail), hence its name. The analogous field-effect transistor circuit is the common source amplifier, and the analogous tube circuit is the common cathode amplifier.
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