理论分析结果表明，单周控制开关功率放大器的输出信号与输入信号成线性变化关系，其控制性能由输出滤波器决定。
The theory research results of one cycle controlled switching power amplifier show that the output signal follow the input signal linearly, and the control performance is decided by output filter.
作者的解决这个问题是使用可调谐射频前置放大器这也渠道作为一个低通滤波器调谐88-108兆赫时，低端的带异国情调的地方大部分的谎言。
The author's solution to this problem is to use a tuneable RF preamplifier which also acts as a low pass filter when tuning the low end of the 88-108 MHz band where most of the exotic channels lie.
经由将回路滤波器中的运算跨导放大器的规格做最佳化，一个电流最佳化的技术被提出。
A current optimization technique is proposed by making a specification optimization of the Operational Transconductance Amplifier in loop filter.
大功率滤波器(38)位于功率放大器(20)的下游并引起线性失真。
A high power filter (38) is located downstream of the power amplifier (20) and causes linear distortion.
一个廉价的内置音频芯片可能有某种在放大器的低通滤波器，避免吸烟本身虽然。
A cheap builtin audio chip is likely to have some sort of low pass filter in its amp to avoid smoking itself though.
在电路和电子技术的文献中可以找到如何用运算放大器构造简单的滤波器。
In the texts of electrical circuits and electronics they will also show how to build simple filter circuits using Op-Amp.
放大器前的部件，诸如带通滤波器(32)，引起线性失真。
A pre-amp component, such as a band-pass filter (32), causes linear distortion.
你还需要一堆模拟滤波围绕放大器。
You also need a lot of analogue filtering wrapped around these amps.
以RC有源滤波电路为例，介绍了一种对含有运算放大器网络进行分析的新的约束网络法，并对其进行了较细致的研究。
A new restraining network method for analysing the network with operational amplifier is investigated in detail, taking RC active filter as a sample.
检测电路分为全桥平衡模块、电荷放大器模块、信号放大模块、相关双采样模块、采样保持模块、闭环反馈模块、低通滤波模块和数字时序控制模块。
The circuit is divided into full bridge module, charge sense amplifier module, correlated double sampling and holding module, closed-loop feedback module, low-pass filter and time controlling module.
它包含一个精密的仪表放大器，滤波输出和内置激发供应。
It contains a precision instrumentation amplifier, filtered output and a built-in excitation supply.
所述放大器可进一步包括第二滤波级(360)及第二缓冲级(370)。
The amplifier may further include a second filter stage (360) and a second buffer stage (370).
在用户需用外部放大器来满足系统专用滤波或增益要求的应用中，此特性会很有用。
This is useful in applications where the user needs to use an external amplifier to implement system-specific filtering or gain requirements.
由于半导体光放大器的宽增益谱与滤波器的较大可调谐范围，使得激光器输出可以在较大的波长可调谐范围内保持较大功率输出。
With broad gain spectral width of SOA and large tuning range of filter, the output power of the output pulse train could keep big enough over a large tuning range.
构造了一些新的基于电流反馈放大器的电压模式双二阶滤波器，多滤波功能和参数可调是这些电路的主要优点。
Some new voltage-mode second-order filters based on current feedback amplifier are proposed. The major merits of these circuits are multiple filtering function and adjustable parameter.
发射机电路由脉冲信号产生电路、带通滤波器、功率放大器组成。
The transmitter circuit consists of a pulse signal generator circuit, band-pass filters, power amplifiers.
整个雷达接收系统是由放大器、滤波器及混频器等多级模块构成的；
The whole radar receiving system consists of many modules such as amplifiers, filters and mixers.
提出了一种新的任意阶运算跨导放大器——电容(OTA - C)多功能滤波器的设计方法。
This paper presents a new general design method for arbitrary order operational transconductance amplifiers and capacitors (OTA-C) multifunction filters.
并根据宽波束超声波流量计的特点重点进行了自动增益控制放大器和跟踪带通滤波器的设计。
Based on the characteristic of the Wide-beam ultrasonic flowmeter, automatic gain control amplifier and the tracking band-pass filter are devised.
本文提出了一个新的高q单放大器开关电容(SC)滤波器，给出了该电路最大与最小电容比最小的最优设计。
A new high Q switched-capacitor (SC) filter using a single amplifier is presented. An optimal design for minimizing capacitor spreads of the circuit is obtained.
前置放大器与均衡器或滤波器跟在雪崩二极管检测器的后面以获得增益，线性信号处理及噪声宽带的抑制。
The avalanche photodiode detector is followed by a front-end amplifier and equalizer or filter to provide gain as well as linear signal processing and noise bandwidth redution.
其中包括信号的调制电路、电光变换、光检测器、均衡放大器和滤波器等。
It is Consisted of modulation circuits, electrical optical converting, photodetector, equalizing amplifier and filter etc.
该电路在视频放大器、有源滤波器、高速数据转换器等电子系统中有着广泛的应用前景。
This circuit finds wide applications in video amplifiers, active filters, high speed data conversions and other electronic systems.
利用这种方法实现的D类功率放大器具有高效率高性能的特点，并能降低滤波器性能的要求。
By using the scheme, the Class-D amplifier has gained high efficiency and high performance, and it can lower the requirement of output filters.
研究了连接动态压力传感器的信号线长度、放大器的滤波频率和数据采集系统的采样频率对空气压力波测量的影响。
The effects of the signal line length, the filter and the sampling frequencies on measuring air pressure pulse were studied in this paper.
分析了采用滤波器来抑制光通信系统中的放大器自发辐射噪声。
The filter used to suppress spontaneous emission noise of amplifier in optical communication system is also analyzed.
放大器的输出接有滤波器，可有效抑制带外谐波和无用发射分量。
The output of Amplifier has a filter, which can inhibit the out-off-band harmonic waves and unwanted emission component.
通过与大华无线电厂合作，研制了超高频传感器，其主要由天线、超高频放大器、高通滤波器、宽带检波器等组成。
A uhf sensor is designed and fabricated, which mostly consists of antenna, uhf amplifier, high pass filter, and broadband wave detector.
从理论上分析了利用光纤环形镜（FLM）中的偏振耦合效应作为滤波器，对掺铒光纤放大器（EDFA）实现增益平坦化的方法。
The method of erbium-doped fiber amplifier(EDFA) gain flattening using a fiber loop mirror(FLM) acting as a wavelength filter was analyzed in theory.
从理论上分析了利用光纤环形镜（FLM）中的偏振耦合效应作为滤波器，对掺铒光纤放大器（EDFA）实现增益平坦化的方法。
The method of erbium-doped fiber amplifier(EDFA) gain flattening using a fiber loop mirror(FLM) acting as a wavelength filter was analyzed in theory.
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