线性放大器

线性放大器积分非线性的简便测量方法

A Simple Method of Measuring Integral Nonlinearity of a Linear Amplifier

光电耦合线性放大器的探讨

Approach to Photoelectric Coupled Linear Amplifier

而线性放大器（LOA）概念的提出又标志着SOA在线路放大的应用中取得了新的进展。

And with the concept of linear optical amplifier ( LOA ) being brought out , SOAs are now prepared for inline amplification .

本文分析并设计了一应用在UMTS频段（2.11~2.17GHz）的低噪声高线性放大器，用来放大WCDMA前馈线性功放中的失真信号。

In this paper , a low noise high linearity amplifier which works in UMTS frequencies is analyzed and designed , it is used to amplify the distorted signal in WCDMA feed-forward linear power amplifier system .

该线性放大器为AM调制，7MHz时效率优于75%。

The amplifier is amplitude modulated , the efficiency is higher than 75 % at 7 MHz .

交流励磁机电流线性放大器特性研究

Study on Linear - Current - Amplifier Characteristics of AC Exciter

前馈超线性放大器双环误差信号的提取

The Double-loop Error Signal Extraction in the Feed-forward Superlinear Amplifier

恒速运行时交流励磁系统电流线性放大器特性分析

Characteristics of Current-Linear-Amplifier of AC Exciter in Brushless AC Generator at Constant Speed

外推单位增益频率-线性放大器新增转换股后每股最小收益率

Extrapolated unity-gain frequency fully diluted earnings per share

本文阐述了一个用于数字通信系统的宽频高线性放大器的设计过程。

This paper describes a wide band high linearity power amplifier for digital communication system .

用分立元件组装线性放大器并与SSBWDL构成振荡器。

The oscillator is composed of a linear amplifier assembled with discrete components and a SSBWDLD .

对无刷交流发电机励磁系统的电流线性放大器特性进行了理论分析并做了仿真研究。

The linear current amplify property of excite system to brushless excite synchronous generator is analysised and simulated .

GB/T4855-1984半导体集成电路线性放大器系列和品种线性集成电路测试仪误差校验方法的研究

Families and products of linear amplifier for semiconductor integrated circuits The Research of Calibrating the Error of Linear IC Tester

D类放大器虽然具有很高的效率，但由于功率晶体管的开关工作方式，D类放大器引入的失真通常大于线性放大器，这也是目前D类放大器在音频放大领域并未得到广泛应用的主要原因。

Although class D amplifier has high efficiency , its distortion is larger than linear counterparts due to switching behaviour of power transistors .

采用三级线性放大器作为前置放大器取代传统的单级放大器，同时采用对数放大器取代传统的折线放大器，保证了在大扫描范围条件下系统反馈控制的线性度。

Single linear amplifier is replaced by tri - progression linear amplifier , and logarithm amplifier is used to ensure Signal-to-Noise and linearity of feedback .

能谱仪上用的线性放大器，除了有足够的放大倍数外，还须有良好的线性和宽广的动态范围。

The linear amplifier on the spectrometer , besides it has the enough enlargement factor , and needs the good linearity and the broad dynamic range .

着重研究了恒速情况下交流励磁系统的电流线性放大器特性的实现问题。

The characteristics of current-linear-amplifier of AC exciter means that the ratio of excitation currents of main generator and exciter is constant , independent on load and temperature .

传统的线性放大器虽然失真很小，但是效率不高，而且需要大面积的散热片。

Although the distortion of traditional linear amplifier is small , the efficiency is not high , and traditional linear amplifier requires a large area of the heat sink .

结果表明，在恒速运行时，电流线性放大器特性的好坏主要取决于电机的电抗负载因素，以及直轴同步电抗大小。

The result shows that the characteristics depend on mainly the commutating reactance-load factor and the direct-axis armature reactance of the exciter , and that the greater these two parameters , the better the current-linear-amplifier characteristics is .

介绍了一种利用线性放大器、模拟乘法器、加法器及电压/电流转换器实现线性化处理的热电偶温度变送器，给出了线性处理方法及相关的电路设计原理。

The paper introduces a thermocouple temperature transmitter which uses linear amplifier , analog multiplier , adder and voltage / current converter to achieve linear treatment . The linear treatment method and the relative circuit design theory are given .

本系统包括（1）铁氧体力矩电机，（2）谐波减速齿轮，（3）线性放大器或脉宽调制放大器，（4）传感器等元件。

The system consists of ( 1 ) a torque motor made out of ferrite permanent magnet ,( 2 ) a harmonic drive gear ,( 3 ) a linear amplifier or a pulse width modulative amplifier and ( 4 ) a sensor .

一般探测器输出脉冲信号幅度为几十毫伏，而多道脉冲幅度分析器输入脉冲幅度要求为1-10V，所以脉冲线性放大器必须具有一定的电压放大增益，为数倍到上百倍。

The common detector output pulse signal scope is several dozens millivolts , but the multichannel pulse analyzer input pulse amplitude request is 1-15V , therefore the pulse linear amplifier must have the certain voltage gain , about ten times to several times .

针对径向力的控制要求研制了双向电流型线性功率放大器和PID控制器。

The linear power amplifier of current-type and the PIDcontroller is designed for the control of radial force .

UHF宽带线性功率放大器设计

Design of a UHF Broadband Linear Power Amplifier

提出RF正交幂级数预失真线性功率放大器方案，可同时改善放大器幅度、相位失真。

The contributions of the thesis are presented as follows : 1 . A RF quadrature power series predistortion linearizer is presented .

深入探讨了MOSFET管和线性功率放大器的限流保护和温度保护电路。

The limiting current protection and temperature protection of MOSFET and linear power amplifier is the emphasis of discussion .

对UHF全固态电视发射机高频线性功率放大器的组成方式进行了研究。

Made a research in the composing mode of the high-frequency linear power amplifier of UHF complete solid-state transmitter .

该原型机采用了径向永磁轴承和单端轴向电磁轴承相结合的磁悬浮轴承系统，基于霍尔传感器的转子轴向位移径向检测系统，以及模拟PID控制器和线性功率放大器。

The prototype utilizes MB system combined with radial PMB and single axial AMB , rotor axial displacement detection system based on Hall sensors , analog PID controller and linear power amplifier .

近几年，数字信号处理（DSP）技术已广泛用于控制前馈线性功率放大器（PA）的参数之中，其大多数自适应算法均采用LMS自适应算法。

Digital signal processing ( DSP ) techniques have been proposed in current years to adaptively track the control parameters of a power amplifier ( PA ) feedforward linearizer .

同时讨论了使用此系统的CATV高频宽带线性功率放大器的设计。

With this system , some high frequency broadband linear power amplifiers , typically used in CATV , have been developed and discussed in this paper .