负反馈的最重要作用在于使放大器总增益不至于因基本放大器增益的改变而变化,其总增益的大小完全取决于反馈网络的元件参数。
The most important effect of this is to make the overall amplifier gain almost immune to changes in the amplifier unit gain, and dependent almost entirely on the feedback network components.
文中提供全部网络元件值的估算和预测闭环宽频带增益、带宽和双端口的匹配值。
Thepaper presented leads to estimates of all network element values and predicts theclosed loop broad band gain, bandwidth, and quality of both ports.
控制所述发射信号通路中的各种元件的增益,以降低输出发射功率中的瞬变,并还确保所述瞬变是向下的。
The gains of the various elements in the transmit signal path are controlled to reduce transients in the output transmit power, and to also ensure that transients are downward.
AD 7764还集成了内部增益与内部超量程寄存器,使之成为一款高度集成的紧凑型数据采集器件,只需极少的外围元件。
The addition of internal gain and internal overrange registers make the AD7764 a compact, highly integrated data acquisition device requiring minimal peripheral components.
本文叙述了双路高速高增益光电耦合器的元件选择、结构、工作原理、基本特性和应用。
The selection of components for a two-way photocoupler with high speed and high gain is described as well as its structure, operating principle, basic characterizations and applications.
因增益与带漏电流和功耗成比例,一个最小漏电流会在MOS场效应管振荡放大器元件能够提供适当的增益用于振荡的时候出现。
Thus, since gain scales with drain current and power dissipation, a minimum drain current exists at which a MOSFET oscillator amplifier element supplies adequate gain for oscillation.
采用半内腔式的激光器结构,激光增益管窗片的两表面镀有高增透膜并作为腔内应力双折射元件。
In our experiments, we use a half-intracavity laser. The discharge tube's window plate with high anti-reflecting film is used as a stress birefringence element.
以半导体光放大器为非线性元件的全光开关中,由于SOA中交叉增益调制和交叉相位调制并存,会导致光开关各输出端口性能有所差异。
For SOA-based all-optical switching, because cross-phase modulation and cross-gain modulation is co-exist in SOA, the properties of each output port is different.
讨论了聚焦元件的截断效应,研究了天线增益与束腰半径关系并利用高斯波束法设计了毫米波成像准光学系统,在系统参数确定的前提下对聚焦元件进行一体化设计。
The performances of quasi-optics for millimeter-wave imaging system decide the capability of the system, so it is the emphasis of the research of millimeter wave imaging system.
讨论了聚焦元件的截断效应,研究了天线增益与束腰半径关系并利用高斯波束法设计了毫米波成像准光学系统,在系统参数确定的前提下对聚焦元件进行一体化设计。
The performances of quasi-optics for millimeter-wave imaging system decide the capability of the system, so it is the emphasis of the research of millimeter wave imaging system.
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