一种无线电频率放大器。
Purpose: Audio frequency amplifier applications.
用途：用于音频放大。
The core of this method is the selected-frequency amplifier.
而选频平衡法的核心是选频放大器。
Purpose: Audio frequency amplifier, driver stage amplifier applications.
用途：用于音频一般放大，驱动级放大。
A low frequency amplifier module delivering 300 watts RMS to the internal components.
低频放大器模块提供300瓦有效值的内部组件。
The method improving the property of the front medium frequency amplifier was proposed based on experiments.
通过实验得出了改善前置中频放大器性能的方法。
The units incorporate a low frequency amplifier module capable of delivering 300 watts RMS to the internal components.
这些单位纳入低频放大器模块提供300瓦有效值的内部组件的能力。
An intermediate frequency amplifier is designed to suppress the parasitic amplitude modulation and suppression effect is also analyzed.
设计了一种中频放大器以抑制寄生调幅干扰并分析抑制效果。
In this paper, digital potentiometers X9C103 to change the high-frequency amplifier feedback resistor to achieve the control feedback purposes.
本文采用数字电位器x9c 103来改变高频放大器的反馈电阻以达到控制反馈的目的。
The property of the front medium frequency amplifier influences directly the technical targets of the machine. Yet the property of amplifiers are often unstable.
通信机中的收信前置中频放大器，其性能的高低将直接影响整机技术指标。
Each of them is composed of high frequency amplifier, intermediate frequency amplifier and sampling, digital phase uprightness intersector, DDS and the S band signal inspirator for the transmitter.
接收机的每个通道都由高频放大器、中频放大、中频采样、数字正交器组成，另外还有DDS信号产生和频率激励源用来形成雷达发射机所需的S波段脉冲调制激励信号。
The amplifier input is a voltage proportional to the photocurrent signal produced by a photodiode, which is irradiated by a modulated light beam at the same chopper frequency.
放大器输入为电压信号，与光敏二极管产生的光电流信号成比例。调制光柱以断路器同样的频率照射光敏二极管。
The simulation results show the open-loop and closed-loop frequency responses, output saturation, and the slew-rate of operational amplifier are truly reflected by this model.
仿真结果显示，运放开环与闭环时的频率响应、输出饱和、转换速率等特性得到了真实的反映。
The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated.
指出了高频开关电源在高保真音频功率放大器中广阔的应用前景。
And the power amplifier can realize accurately tracking and amplification for ac signals with frequency range up to 1000hz.
功率放大器可以实现交流信号的准确跟踪和放大，输出频率范围可达1000赫兹。
Amplifier self-oscillates at a frequency depending on the velocity of the fluid.
放大器自激振荡的频率就取决于流体的速度。
This paper describes a method of suppressing correlation jamming at the frequency of reference signal which cannot be suppressed by lock-in amplifier and Boxcar integrator.
锁定放大器和取样积分器都不能抑制与参考信号同频率的干扰。本文提出了一种能抑制这种干扰的方法。
The radiation frequency tunability of the relativistic klystron amplifier still depends on design of the extract cavity.
相对论速调管放大器辐射频率的可调性还取决于提取腔的设计。
By PIC simulations, the output characteristics of the amplifier such as the frequency response etc are analyzed.
通过PIC粒子模拟，分析了该放大器的频率响应特点等输出特性。
This article introduces a technology of time amplifier based on frequency converter. It can be used for phase detection of sine period signal or determination of time delay.
本文介绍一种基于频率变换的时间放大技术，可用于正弦周期信号的相位精确测量或延迟时间测量。
Volume and frequency can be adjusted perfectly for each DSP amplifier channel.
每个dsp放大器声道的音量和频率都可以调节到最佳状态。
This paper investigates various combined frequency interference in integrated and double-converted transceivers, and points out that the reason is the non-linearity of frequency mixer and amplifier.
研究了一体化二次变频收发信机中各种组合频率干扰的产生原因：主要是由于混频器和放大器的非线性。
The paper presents an efficient digital adaptive method compensating for nonlinear distortions caused by a high-power amplifier (HPA) in orthogonal frequency division multiplexing(OFDM) system.
本文提出了一种用于正交频分复用（OFDM）系统中由大功率放大器引起的非线性失真的有效的数字自适应补偿方法。
When electrical current stimuli of predetermined frequency and amplitudes are applied on a subject, an amplifier is employed to monitor the subject's galvanic skin response (GSR).
当向被试施加特定频率、幅度的电流刺激时，被试的皮肤电流响应信号由一个放大仪客观地记录下来。
The mix-lookin detection technique for high frequency signal measurement with low frequency look-in amplifier is presented.
本文提出一种利用低频锁相放大器测量高频信号的混频-锁相检测技术。
In intelligent peripheral subsystem, Radio Frequency Front Modules include linear power amplifier, low noise amplifier and detection control circuit.
智能天线子系统中，射频前端模块包括线性功率放大器，低噪放大器，检测控制电路。
This paper presents a detailed discussion of the method for measuring low frequency noise in operational amplifier devices as well as an analysis of some key problems in the measuring process.
本文中详细给出了运放器件低频噪声的测试方法并对测试过程中的若干关键问题进行了深入剖析。
A composite motor vibration transducer with differential charge amplifier and adaptive frequency compensating circuit is introduced.
阐述了手持式内置微型差动式电荷放大器和频率补偿电路一体化的发动机振动传感器。
As a practical example a frequency response and stability judgement of an amplifier with negative feedback are chosen to show the use of this method.
本文还选择了频率应和负反馈放大器稳定性判别中的一些实际问题，作为这种方法应用的实例。
As a practical example a frequency response and stability judgement of an amplifier with negative feedback are chosen to show the use of this method.
本文还选择了频率应和负反馈放大器稳定性判别中的一些实际问题，作为这种方法应用的实例。
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