电压增益

Excellently DC performances include a maximum current gain of 50 and a low offset voltage of 70 mV.

经由实验所测量的结果，该元件的最大电流增益为50，补偿电压为70 mV。

The excellent DC performances are demonstrated include a maximum current gain of 88 and a low offset voltage of 54 mV.

经由实验所测量的结果，该元件的最大电流增益为88，补偿电压为54 mV。

It is found that the utilization of BAlq3/Alq3 isotype heterostructure emitter further reduces the leakage current, leading the BAlq3/Alq3 isotype heterostructure-based devices to higher output current and higher common-emitter gain at the same operational voltage compared to the case of Alq3 as the emitter.

研究发现，同Alq3单发射极层结构的金属基极晶体管相比，BAlq3/Alq3异质结发射极层的使用进一步降低了器件的漏电流，使器件在相同的电压下表现了更高的输出电流和更高的共发射极增益，为进一步实现高性能金属基极晶体管提供了新的方法。

The variations of the FWHM and peak of the gain curves with width and amplitude of the voltage pulse are obtained when the incident electrons have a gauss distribution.

在考虑入射电子为一高斯电子脉冲的情况下，获得了增益曲线的半峰全宽和峰值随脉冲电压幅度、宽度的变化规律。

In this graduating design, with help of the great function of graphical user interface provided by Matlab software, a virtual dual-channel oscilloscope had been designed, which can display two signal waves as well as the Lissajous figure, and test the parameters of different signals such as voltage, frequency and phase etc.

在本毕业设计中，采用MATLAB应用软件强大的图形用户界面功能设计出一虚拟双踪示波器。该示波器能在荧光屏上同时显示出两个幅度随时间变化的信号波形；显示李沙育图形；通过调节水平扫描速度及垂直增益可以更好测试信号波形；可以测试各种不同信号的电参数，如电压、频率、相位差等。

This dissertation introduces the whole scheme、the hardware electro circuit design and software design, the result of experiment on salinometer is preferred at the end of the dissertation. Salinometer is base on SOPC technology, and use digital technology to design circuit: the excitation source for balance bridge is generated by digital method, its shape、amplitude and frequency can be control by digital signal, the standard branch of bridge is composed of three digital-analog-conversion, and uses the method of successive approximation to regulate the balance of bridge.

盐度计以SOPC技术为基础，通过数字化方式设计测量电路：电桥的激励源由数字化方式产生，激励源的波形、幅值和频率等可由数字量控制；平衡电桥标准支路由3个数模转换器组合实现，测量时以逐次逼近的方式调整电桥的平衡度；检测电桥平衡度的高灵敏度数字检流计同样以数字化方式设计，它的增益由程序控制，将电桥的输出电压数字化，以软件判断电桥平衡度。

When the beam current is 7A, voltage is 90kV, the velocity ratio is 1.0 and the axial velocity spread is 2%, numerical results show a constant bandwidth of 20%with an efficiency 42%, the peak power and gain are, respectively, 260kW and 47dB.

当电子束的电流为7 A，电压为90 kV，速率比为1.0，纵向动量散度为2%时，计算得到了20%的常数驱动带宽和42%的效率，输出的峰值功率和增益分别为260 kW和47 dB。

It proposes the control-output transfer function of the nondeal Buck converter using circuit average method, the model in Pspice 10.0, the open-loop and gain of the voltage control loop simulations of the system. A prototype of output power 15W has been made up, and the experimental results are agreed with the simulative results.

用电路平均建模法推导出非理想Buck变换器控制-输出的传递函数，在PSpice10.0环境下建立了仿真模型，对系统进行了开环和电压控制环路增益仿真，并在研制的15W实验样机上进行了系统的实验测试。

Measurement results indicate that, by changing the control bits in the gain control circuit and differential circuit, the 3-step peak-to-peak voltage amplitudes are 240, 170 and 115 mV and the center frequency of the impulse can be tuned from 3.2 to 4.1 GHz.

测试结果得到通过改变增益控制和微分电路中的控制位，3级输出脉冲电压峰峰值分别为240 mV、170 mV和115 mV，频谱中心频率可调范围为3.2 GHz 至4.1 GHz。

The CTIA has a charge-voltage conversion gain of 1.6μV/e~- and helps the Nwell/Psub photodiode to achieve a dark current of 300 fA(3 nA/cm~2) with 300 mV reverse biased voltage.

所采用的改进CTIA结构读出电路功能正确，电荷-电压转换增益为1.6μV/e~-，这种结构令Nwell/Psub光电二极管在300 mV反向偏压条件下，暗电流仅为300fA(3 nA/cm~2)。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。