电压增益

并在考虑和忽略开关等效孤道电阻的情况下估计了K值。在同轴的模拟装置上进行过一系列试验研究，电压增益可达1.6倍。

A series of experimental investigations have been done at a coaxial test device and the voltage gain of 1.6 was obtained .

对后级LLC电路，运用基波分析法得到LLC电路的等效模型，推导出电压增益特性曲线。

According to second stage , the equivalent circuit model of the converter was obtained by fundamental analysis , and the voltage gain characteristic curve was deduced .

文中讨论了电参数对电压增益系数K影响；给出了短水线输出电压相对值的数学表达式；

The influence of the electrical parameters on voltage - gain coefficient K is discussed .

并介绍了无芯印刷电路板变压器的等效电路、电压增益、输入阻抗函数，同时说明了应用无芯PCB变压器的可靠性及其优点。

The reliability problems and advantages of coreless printed circuit board transformers for application are described .

恒电压增益的低电压Rail-to-Rail运算放大器

A Low-Voltage Rail-to-Rail Operational Amplifier with Constant Voltage Gain

该电荷泵结构既有四相位Dickson的高驱动能力，又有倍压器高电压增益、高转换效率的特点。

The structure of the charge pump has both high-drive capability of four-phase dickson charge pump and high voltage gain , high conversion efficiency characteristics of doubler .

设计的限幅器具有72dB的电压增益，可以对载波为1.5MHz、带宽为1MHz的中频信号进行放大；

The proposed limiter has 72 dB voltage gain and can amplify the 1.5 MHz intermediate frequency signal with 1 MHz bandwidth .

分析了不同开关频率范围内电路工作原理，并建立了基波等效电路，采用基波分析方法对LLC谐振电路的电压增益特性、输入阻抗特性进行了研究，确定了电路软开关工作范围。

Analyzed the circuit working principles in different frequency range , established the fundamental equivalent circuit , the LLC resonant circuit voltage gain characteristics , input impedance characteristics has been analyzed through fundamental analysis method , determined the soft-switching working range .

测试结果表明，在谐振频率点的1dB压缩点P1-dB为-8dBm，电压增益为-2.4dB，本振泄漏小于-50dBm。

Test results show that , at the resonant frequency , the system exhibits an input 1-dB compression point of-8 dBm , a conversion gain of-2.4 dB and a local leakage below-50 dB .

基于此，论文第二章推导了反映DCMLCC-SPRC电路特性的归一化解析表达式，其形式简单，仅含有等效电压增益和并联谐振电容与串联谐振电容比值两个参数。

Normalized analytic expressions in the simple form are derived in the second chapter , reflecting DCM LCC-SPRC circuit characteristics and containing only two parameters , the equivalent voltage gain and the ratio of the parallel resonant capacitor to the series resonant capacitor .

首先研究了全桥LLC谐振电路的工作原理，在此基础上分析了其直流电压增益，谐振参数对变换器的影响，空载和短路特性，并给出了谐振参数的设计方法。

First , the working principle of the full-bridge LLC resonant circuit is researched . Based on this , the DC voltage gain , the resonance parameters impact on the converter , no-load and short circuit characteristics are analyzed , and the design method of the resonance parameters is given .

一种输入端自然均流/高电压增益组合式变换器研究

Study on a Combined Converter With Natural Sharing Input-Current and High Voltage Gain

电压增益可以达到了理论上的最大值；

The voltage gain reaches the maximal value theoretically ;

它们可通过3位数字输入来提供8种电压增益以供选择。

They delivers a choice of eight volt-age gains by a 3 - bit digital input .

将电压增益提高到了理论上的最大值。

The second is that the voltage gain is increased to the extent of maximum value in theory .

许多实际的放大器将多个放大器级联起来，以获得较高的电压增益。

Many practical amplifiers chain together a series of analog amplifier stages to obtain a high overall voltage gain .

只有放大器耦合方能通过开压匝数比提高变压器电压增益。

Only transformer coupling can contribute to the voltage gain of an amplifier by virtue of a stepup turns ratio .

这些特性包括原点开关的存在性、最大电压增益及输入电流波形。

The performances include the existence of the " original switch ", the maximum voltage gain and waveform of the input current .

其研究工作主要集中在直流电压增益、直流失调、小信号频率响应、转换速率和带宽的限制等五个方面。

The differences are mainly focused on dc voltage gain , dc offset , small signal frequency response , slew rate and bandwidth limitation .

本文运用负反馈理论，分析了运算放大电路的闭环电压增益、闭环输入阻抗、闭环输出阻抗。

Degenerative theory is used to analyze closed loop gain , closed loop input impedance and closed loop output impedance of operational amplifier circuit .

利用虚短和虚断的概念来估算深度负反馈电路的电压增益。

Using the concept of virtual short circuit and virtual open circuit , the voltage gain of depth negative feedback circuit can be estimated .

普通电荷泵电路电压增益是固定的，随着输入电压的升高，电荷泵的转换效率变得越来越低。

As the voltage gain of common charge pump is settled , the transition efficiency will become lower and lower along with the input voltage rising .

该文对零输出换相策略、电压增益及开关动作顺序进行了详细的分析，并与双电压合成控制策略下共模电压的最大瞬时值进行了对比。

The paper analyzes in detail the synthetical method , the voltage gain and the switch action sequence of matrix converter based on the zero-output commutation strategy .

并分析了次级品质因数和耦合系数对电压增益、电流增益和传输功率的影响。

And the influence that secondary quality factor and the coupling coefficient impact on voltage gain , the current gain and transmission power gain is analyzed . 4 .

它们用于提高放大电路的增益和实现输出阻抗匹配，提高电流复制精度，减小电压增益误差。

They are used to enhance the gain of amplifier and realize the impedance matching , improve the current copying precision , decrease the tolerance of voltage gain .

通过改变短水线中储的溶液电阻便可获得不同的电压增益（输出电压对直流充电电压之比）。

Various voltage-gain ( ratio of output voltage to DC charge voltage ) of 1.2 ~ 1.6 times has been obtained by varying the value of the WLMS 's solution resistance .

从理论上建立了最大充电电压增益与电路内阻、电池内阻的关系，并以此来确定不同工作电流下的最低充电电压值。

The relationship between maximum charge voltage gain and circuit resistance , battery resistance is found in theory , and the minimum charge voltage can be ascertained under the difference work current .

其主要贡献是：（1）给出了计算最佳负载、电压增益、效率和输出功率等电气特性的公式；

The main contributions are as the follows : ( 1 ) . The formulas for calculating the optimal load , voltage 's gain , efficiency , the output power of PT and so on have been derived ;

根据对试验结果的分析，得出了两种有实用价值的电路&采用T型电阻反馈网络的放大电路和由数字系统控制电压增益的运放电路。

According to the analysis of testing result , reach the two circuits of having practical value one operational amplifier 's circuits feedback network by the T-shaped resistance the others voltage gain be controlled by digital system have been designed .

该变频器对感性负载具有电源侧超前的功率因数，有再生功能，输出波形接近正弦，主回路功北只有一次转换，功率器件的开关频率低，损耗小，电压增益达0.83。

Theoretical analysis shows that this FC has the following features : leading input power factor for inductive load , regenerative function , sine-shaped output voltages / currents , only one stage main power conversion , lower Switching frequency and also lower losses of the semiconductor devices .