In other words, collector current mimics, or mirrors, diode current. 换句话说,集电极电流模仿或镜像了二极管电流。
Does the collector current rise in equal steps for equal increments of base current? 基极电流作等值增长时,集电极电流是否也相应地等值上升呢?
Therefore, if we have a way of holding emitter current constant through a transistor, the transistor will work to regulate collector current at a constant value. 于是,只要我们能让晶体管的发射极电流保持恒定,它就能保持发射极电流为恒定值。
Remember, the transistor's collector current is almost equal to its emitter current, as the α ratio of a typical transistor is almost unity ( 1). 不要忘了,通常典型晶体管的系数α乎是1,因此晶体管集电极电流与发射极电流也几乎是相等的。
At the entrance to the water with check valve to prevent water at night by the collector current, and cause the heat loss. 水入口处设有止回阀以防止夜间水由收集器逆流,引起热损失。
Adds a new data collector to the current selection. 给当前选项添加一个新的数据收集器。
With this method in mind, the features of the collector current are analyzed when resonating circuit or resistor is loaded. 以此方式分析了负载为谐振回路及负载为纯电阻下集电极电流的特点。
Collector to-base current gain 集电极-基极电流增益
However, many library staff can only operate the book collector for current using, only a few of them have the knowledge of its data conversion. 然而,不少图书馆人员只会简单操作采集器现采图书,对其数据转换却一知半解。
We've seen already how maintaining a constant base current through an active transistor results in the regulation of collector current, according to the β ratio. 我们已经看到有源晶体管的恒定的基极电流是如何以系数β制集电极电流的。
On condition that semiconductor triodes not entering saturation region while working in the reserve AGC region, we properly increase quiescence collector current, making the oscillator start oscillation easily with efficient output amplitude. 应在三极管工作在反向AGC区且不会进入饱和区的前提下,适当增大静态集电极电流,从而使振荡电路易于起振并有足够的输出幅度。
Many factors, such as frequency, carrier forward delay time τ F and collector current, have influence on high frequency noise characteristics. 频率f、载流子正向延迟时间τF、集电极电流等因素都对高频噪声有影响。
The low phase noise potential of K-band VCO using NPN silicon-Germanium transistor with low noise floor, high cut-off frequency ( 70GHz) and high collector current capacity has been studied in detail. 因此在设计中,选用了具有低噪声基底、高截止频率(70GHz)、高集电极电流容量的锗化硅材料的NPN晶体管,有利于提高系统的噪声性能。
The idealized model of tuned power amplifier of the class E is that the collector current fall time is zero. The purpose of the paper is to analyze the equations governing the operation of the amplifier when the collector current fall time is nonzero. E类调谐功率放大器的理想模型是集电极电流下降时间为零,笔者在集电极电流下降时间不为零的情况下对E类放大器进行了分析;
This paper has analysed the waveforms of Class E amplifier with shunt inductor. The value of the collector current and voltage, the output power, and the parameters of the load network are also determined, which provide reference basis for the design of the amplifier. 本文对带旁路电感的E类放大器的波形、集电极电流和电压、输出功率进行了分析,计算出负载网络的最佳参数,为该类放大器的设计提供了依据。
The base current and the junction leakage current increase, while the collector current and the breakdown voltage decrease for SiGe HBTs after radiation. 辐照后基极电流、结漏电流增大,集电极电流、击穿电压减小。
It is convenient to analyze the sensitivity of parameters, the distortion of output voltage as well as other performances such as the peak collector current, the peak collector_emitter voltage and the power_output capability etc. 容易分析E类放大器的参数灵敏度、谐波畸变及其它性能如集电极峰值电流、集射极峰值电压、输出功率能力等。
Analysis of the Lapse of Collector Current in Resonant Amplifier under Overvoltage State 谐振放大器过压状态下集电极电流凹陷分析
The waveforms of the collector current and collector-emitter voltage are also determined under the optimum operation condition. 在最佳工作条件下,给出了集电极电流和集电极&发射极电压波形。
Under the state of optimum operation of the amplifier, the following basic amplifier parameters are determined: the waveforms of the collector current, the collector-to-emitter voltage, the instantaneous power dissipated in the transistor, the collector efficiency, and the values of the load-network components. 在最佳工作状态下,确定了放大器的集电极电流和集电极-发射极电压波形、晶体管的瞬间能量损失、集电极效率和负载网络参数。
By adopting a simple and easy, we get the calculation formula of common-emitter and common-base configuration loop gain of oscillator circuit of three-point capacitance, hence work out an improved design of quiescence collector current and feedback. 采用一种简便方法,得到了共基和共射组态电容三点式振荡电路环路增益的近似计算公式,并由此找出了静态集电极电流和反馈系数的优化设计方案。
Many factors, such as frequency, base current, collector current, geometry size ( emitter area and length), Ge fraction and temperature, will have influence on low-frequency noise characteristics. 频率、基极电流、集电极电流、发射极几何尺寸(面积、条长)、Ge组份x、温度等诸多因素都对低频噪声有影响。
Electrical test indicates that the current gain and collector current of implanted transistor is larger than that without implantation. 电学特性测量结果表明,经过离子注入的多晶硅发射极晶体管的电流增益和最大电流增益对应的集电极电流明显高于未经离子注入的晶体管。
Piecewise Model for Collector Current in SOI Gate Controlled Hybrid Transistor SOI栅控混合管(GCHT)集电极电流的分区模型
Analytical Model of Collector Current Density and Base Transit Time 集电极电流密度和基区渡越时间的解析模型
Effects of the Collector Current Fall Time on the Class E Amplifier 集电极电流下降时间对E类放大器的影响
So do the transistor with high collector-emitter voltage and high collector current. 其次,发射装置选用了高耐压的晶体三极管完成对电压和电流的放大。
It reaches 131% T when the relative sensitivity coefficient of the collector current of silicon magnetic-sensitive transistor differential circuit is measured in experiment. 实验测试硅磁敏三极管差分电路的集电极电流相对磁灵敏度达到了131%/T。
The lower resistance should select properly, too big to make radio frequency signal drive collector current too little, too small to make amplifier instable easily. 下偏电阻要选取适中,过大会使射频信号推动集电极电流的能力过小,过小容易使放大器不稳定。