高频放大器

该仪器的硬件部分主要由天线、高频放大器、滤波电路、检波电路、A/D转换、核心芯片组成。

The hardware part of the instrument mainly makes up by the antenna , high-frequency amplifier , filter circuit , the detector circuit , A / D conversion , the core chips .

进入雷达接收支路前端的功率直接影响到低噪声高频放大器的使用寿命，因此采用什么样的限幅方式对雷达能否正常工作显得十分重要。

The signal power which come into the front of radar receiving route will directly effect the life of the low noise high-frequency amplifier , so adopting which limiter manner is very important for radar to work normally .

宽带高频放大器的设计与仿真实现

Design and Implementation of A High Frequency ( HF ) Amplifier

本文用双曲线函数法研究了晶体管高频放大器的阻塞问题，推导了有用输出与干扰的一般关系式，讨论了提高阻塞电平的方法。

Transistor blocking is investigated using hyperbolic function . A general expression is obtained showing the effect of interference on the useful output and methods of raising the blocking level are discussed .

探地雷达天线系统是探地雷达的关键部件，该系统包括高电压短脉冲发生器、脉冲辐射天线、接收天线、宽带低噪声高频放大器、采样变换电路和低频放大器。

The antenna system of GPR is a key part of GPR . The system is consists of a generator of high voltage and short pulses , a pulse radiation antenna , a receiving antenna , a broadband and low-noise RF amplifier , sampling transform circuits and MF amplifiers .

3kW高频磁放大器开关电源

A 3 kW Switching Stabilized Voltage Power Supply Using Magnetic Amplifier

用上述两种合金制做的频率达150～200kHz的高频磁放大器式开关电源，输出12V、9A，整机电源的效率达80%以上。

These two alloys can be used at high frequencies up to 200 kHz for magnetic amplifier switching power supply with output of 12V , 9A .

为实现其机动性一般是以汽车为载体的，数字卫星新闻采集系统的设备包括MPEG-2编码器，信道编码器，QPSK调制和上变频器，高频功率放大器和卫星天线以及供电设备等辅助设备。

We usually use the vehicle to realize its motivation . The equipments of the DSNG system including the MPEG-2 source encoder , the channel encoder , QPSK and upconverter , high-frequency power amplifier the satellite aerial , the equipment which afford the electricity and other auxiliary parts .

电子管高频功率放大器的新算法

A New Calculation Method for the Vacuum Tube High Frequency Power Amplifier

电子管高频功率放大器东芝图表算法分析

An Analysis of the TOSHIBA Graphic Solution to the High Frequency Tube Amplifier

开关式高频功率放大器的稳态分析

A steady-state analysis of high frequency switched-mode power amplifier

高频宽带放大器的优化设计

The Optimizing Design of HF Wideband Amplifiers

高频功率放大器是发射机的重要组成部分，因而也是通信系统必不可少的环节。

The basic principles and characteristics of high-frequency power amplifier are introduced in this paper .

高频功率放大器最佳导通角的理论定义与控制

Definition and Controlling of the Optimal Open Angle for Power Amplifiers of the High Frequency Circuit

前馈高频功率放大器线性化的研究

Linearization of High-Frequency Feedforward Power Amplifier

GB/T15295-1994电缆分配系统用混合集成电路高频宽带放大器系列和品种

Series and products of high frequency wideband amplifiers for hybrid integrated circuits used in cabled distribution systems

宽带超高频功率放大器

Broadband UHF Power Amplifier

本文在引入动态负载线和虚拟工作点电流的基础上，通过几个折线图形，讨论高频功率放大器各个状态参量对工作状态的影响。

On the basis of introducing the dynamic load line and the current of virtual operating point , the paper discusses the effect of state parameters of high-frequency tuned power amplifier on working order by several piecewise line diagrams .

高频磁放大器的应用简化了电路结构和软开关形成的机理，并能有效防止多路输出时的交叉干扰，明显地降低因输出整流二极管的反向恢复性能造成的电磁噪声。

The application of the high-frequency amplifier simplifies the circuit structure and the mechanism for forming soft switching , effectively prevents cross interference when multi-output performed , and obviously reduces the noise caused by reserve recovery of the output rectifier diode .

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 .

对控制信号而言，它是一个没有任何相位落后的PID控制器，R高频为一放大器，低频为积分器，中频段为PID。

For the control action it 's an adaptive PID controller without any phase lag , but there is an amplifier in the high frequency , an integrator in the low frequency , and a PID only in the medium frequency .

寻求先进、高效、实用、稳定、可靠的UHF电视发射机高频线性功率放大器，至今仍是一个十分重要的技术课题。

Pointed out that it is a very important subject to look for the advanced , high-efficiency , useable , stable , reliable high linear power amplifier of UHF TVtransmitter by now .

晶体管高频线性功率放大器调试方法探讨

Exploring the method of modulating and testing transistor high-frequency linear power amplifier

一种高频真对数放大器的设计

Design of a high frequency true logarithmic amplifier

甚高频宽带功率放大器的计算机仿真设计

Computer Simulating Design of VHF Broadband Power Amplifiers

改善高频集成运算放大器电路提高输出波形质量的新方法

A method of improving a high-frequence integrated amplifier circuit to raise the wave quality of its output

高频位移检测放大器

High-frequency displacement detection amplifier

文章提出了一种采用两输入全差分结构、线性可调范围宽的高频跨导运算放大器，适合于需大范围连续调谐的高频连续时间滤波器。

A fully balanced two-input , high-frequency widely linear-tunable OTA is proposed for the application in wide range of linear-tunable high-frequency continuous-time filters .

介绍了高速中规模集成数字频率合成器、晶体管高频大功率放大器的设计。

The high-speed digital frequency mixer made of medium-scale integrated circuits and the design of a high power transistor amplifier are also presented .

本文利用不定导纳矩阵分析方法，论述了三端器件混合π型等效电路与y参数等效电路组态的转换，为高频小信号放大器设计者提供计算上的方便。

This paper uses indeterminate admittance matrix analytical method , expound conversion of configuration between mix - π equivalent circuit of three extremity device and the y-parameters equivalent circuit . The paper supplies convenient calculate method for designers of high frequency small signal amplifier .