偏置电流

此外还设计了控制电路，使得LNA能够工作在四种不同偏置电流下。

The LNA can work in four modes with different bias current for a control circuit is designed additionally .

该电路可工作于1V电压、1μA的偏置电流下。

The circuits can operate below 1 V supply voltage and bias current of 1 μ A.

一种自偏置电流CMOS基准源的分析与设计

Analysis and Design of a Self-bias Current CMOS Reference

CMOS偏置电流基准源的两级温度补偿方法

CMOS Bias Current Reference with Two-Stage Temperature Compensation

环形Josephson结中的回波效应与第一零场台阶的下限偏置电流

Returning effect and the first zero field step in an annular Josephson junction

因为基于CMOS亚阈值特性产生了电路的偏置电流，所以工作电流仅16μA。

The power dissipation of the sensor is 16 μ A because the bias current is generated by the CMOS sub-threshold characteristic .

提出了一种新的利用开关电容技术调节偏置电流值大小的电路，应用该电路可以精确调节跨导运放Gm值的大小。

This paper presents a new circuit to tune Gm value of transconductor accurately which employs switched-capacitor technique to change the bias current of transconductor .

另外，可用开关装置实现偏置电流的脉冲，进而调制发射强度。然后，经过调制的组分被FFT分析器有选择性地检测。

Furthermore , the bias current can be pulsated with a switching device to modulate the emission intensities , and then the modulated component is selectively detected with the FFT analyser .

ADC的可重构功能是通过改变运放的偏置电流实现的，因此系统的优化和运放优化设计是本论文的两个研究重点。

The reconfiguration function is mainly achieved by changing the biasing current for the Op-amp . Therefore , the optimization of the system and Op-amp is the two research stresses of this thesis .

最大优点是通过控制OTA的偏置电流I（ABC）可以实现浮地电感量的连续调节。

It is simple and can be realized very easily . Its most advantage is that the volume of the inductor can be adjusted continuously by changing the bias current IABC .

自动功率控制部分通过调节VCSEL的偏置电流，使其在工作温度和本身的性能发生变化时能够保持恒定的平均光功率。

The automatic power control ( APC ) adjusts the VCSEL bias current to maintain average optical power over changes in temperature and VCSEL properties .

简要介绍了半导体激光器的温度特性的后，分析了激光驱动器偏置电流提供和自动功率控制（APC）功能。

After the introduction of the characteristics of semiconductor laser diode , the bias current supply of the laser driver and the automatic power control ( APC ) function were analyzed .

提出了一种设计CMOS运算跨导放大器（OTA）的新电路结构，这种结构是在基本OTA中引入偏置电流提升电路，故称为电流提升OTA。

A new architecture for CMOS OTA ( Operational Transconductance Amplifier ) design is presented . This structure adds a bias current booster to the basic OTA to improve electrical performance .

对一种新颖的双Buck逆变器（Dual-BuckInverter，简称DBI）进行了分析和研究，该逆器采用滞环电流控制策略，实现了无偏置电流半周期运行模式，提高了系统效率。

A novel Dual-Buck Inverter ( DBI ) is proposed in this paper , the system adopts hysteresis current control , achieves non-biased half cycle mode and improves system 's efficiency .

实验中测定SOA在130mA偏置电流下的噪声指数为7.7dB，表明应变量子阱结构改善了SOA的噪声性能。

7.7 dB noise figure of SOA directly coupled with fiber in both ends at 130 mA bias current shows that the noise character of SOA is improved by strained quantum well structure .

选用自偏置电流源为cascode增益结构提供基极偏置电流，并根据ADS仿真出的基极电流IB与最小噪声系数NF的关系曲线，确定使NF较小的偏置电流。

The self-bias current source is selected to provide the base biascurrent of cascode gain structure . According to IB-NF curve in ADS simulation , the bias current is determined to achieve the lower noise figure .

一种偏置电流可调节的高效率2.4GHz锗硅功率放大器

A High Efficiency SiGe Power Amplifier with Bias Current Controlling Circuit

研究了LED等半导体发光器件的感应结电压与入射信号光波长的对应关系.进一步分析了发光器件自身特性以及器件温度、偏置电流、入射信号光功率与探测灵敏度的关系。

The relationship between the wavelength of the input optical signal and the induced junction voltage is researched It is also researched that the sensor 's sensitivity of wavelength dependent on characteristics of the semiconductor device itself , the temperature of the sensors , bias current , and input power .

电路采用多列像素共享容式跨阻放大器（CTIA）和DAC，用补偿暗像元扣除静态电流，校正数据经DAC转换送至MOS管的栅极以控制偏置电流达到温度补偿目的。

It includes column-shared CTIA , DAC , and dummy pixel for static current reduction . Correction data are transferred by DAC to the gates of MOS transistors , to control the bias voltage .

SOA的偏置电流对SOA环形腔输出脉冲振幅的均衡度影响显著，对于基频为2.5GHz和10GHz输入脉冲序列分别存在一最佳的SOA偏置电流值；

Bias current of SOA effect on the amplitude of the output pulse train is great , and there is an optimized bias current of SOA for the base frequency of the 2.5 GHz and 10 GHz , respectively .

在稳定的环境中，进行了GMA预压力实验、偏置电流实验、迟滞特性实验和精密定位实验，根据实验结果确定了GMA偏置条件和工作范围。

In the stable environment , GMA pre-pressure experiment , biased current experiment , hysteresis performance experiment and precision positioning experiment were carried out , and the biased conditions and work scope were determined according to the experiments .

该驱动器的工作速率为DC至3Gb/s，调制电流和偏置电流调节范围分别为5～50mA，上升、下降时间小于100ps。

The driver has the rise / fall time of less than 100 ps and can be used for bit rate up to 3 Gb / s with the modulation and the bias current of 5 ~ 50 mA respectively .

微弱光电流信号的放大一直是关键，选用了低失调电压和低失调电压漂移、低输入偏置电流和低失调电流误差的ICL7650作为运放，设计了对光强的精密测量电路。

As the same time , ICL7650 is selected to amplify the slender signal as it offers exceptionally low input offset voltage and is extremely stable with respect to time and temperature .

当传感器在2mA的正向偏置电流下，由于少数载流子的不连续性以及多数载流子的注入，传感器电阻的正温度系数（PTC）区拓宽到573K（＋300℃）以上。

When the sensor is forward biased at a current of 2 mA , the range of positive temperature coefficient of the sensor resistance is extended up to + 300 C as a result of the minority current discontinuity and majority carrier injection .

同时通过优选元件使偏置电流误差、刻度因数误差和漂移减至最小，从而当电流幅值为120mA时，力矩电流产生器可获得1.25×10~（-5）的恒流精度。

The bias current error and scale factor error and drift can be minimized by means of choosing excellent components . When the magnitude of the torque-current is 120 mA , the torque current generator provides constant current with the accuracy of 1.25 × 10 ~ ( - 5 )

调制时的偏置电流低于阈值。

The modulation is driven by the bias current below the threshold .

新型自偏置电流模环滤波器设计

Design of a new type self-biased current mode loop filter

该积分器的时间常数由参考偏置电流控制。

The integrator time constant is tunable by varying a reference bias current .

其基本结构包括一个偏置电流发生器、激光器电流调制器和安全电路部分。

It contains a bias generator , a laser modulator , and comprehensive safety features .

为提高系统高频动态特性，提出了低偏置电流工作方式。

The low-bias current control method is proposed in order to improve system high frequency dynamic performance .