The front-end amplifier for optical receiver is made up of two important circuits: preamplifier and main amplifier.
光接收机前端放大电路主要由两个关键电路构成：前置放大器和主放大器。
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.
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。
For most music, Schindall explained, a high-end audio system with big speakers might do just fine with a 1-watt amplifier.
Schindall解释说，对大多数音乐来说，带有大功率扬声器的高端音频系统用1瓦的扩音器就可以了。
Its measurement signal is to lead into harmonic signal digital measurement analysis system via ta end screen voltage signal amplifier.
其测量信号是经过TA末屏电压信号放大器引入谐波信号数字测量分析系统的。
The temperature information acquisition unit based on C8051F330 is composed of processor, analog front-end operational amplifier, serial port communications and so on.
基于C8051F330的温度信息采集器，由处理器、模拟前端运算放大器和串口通讯等组成。
A measurement amplifier circuit is designed, which consists of circuits of differential amplifier, a common-mode rejection, double-end and single-end conversions and programmed gain amplifier.
设计了一个测量放大器电路，它由差动放大电路、共模抑制电路、双端单端转换电路和程控增益放大电路组成。
The system is powered by a very high quality digital amplifier delivering 100 Watts of high-end digital stereo.
该系统是由一个非常高品质的数字放大器提供100瓦的数字立体声。
This is fortunate, since most RF paths are duplex (bidirectional) channels with a need for signals to go from antenna to front end (receive mode) and from power amplifier to antenna (transmit mode).
这是幸运的，因为大多数RF路径是双工(双向)通道需要的信号从天线到前端(接收模式)和功率放大器天线(发射模式)。
According to the designing theory of amplitude amplifier pole, it could be designed by big end diameter, magnification, area index and other parameters.
由变幅杆大端直径、放大倍数、面积系数等已知条件，按照变幅杆设计理论对超声振动系统中的变幅杆进行设计；
Negative feedback makes the amp sound "tighter", particularly in the low end, where the speaker resonant hump has the most effect on amplifier output.
负反馈使放大器声音“更严格”，尤其是在低端，那里的一位发言者谐振驼峰拥有最影响放大器输出。
The sense amplifier circuit is commonly symmetrical which needs a matched layout design, so the system design and layout design is also discussed at the end.
通常情况下，灵敏放大器均设计为对称结构，对版图有着很高的对称要求，最后也对系统和版图设计做了简要讨论。
Then theoretical resonance length, small end diameter, displacement node, magnification factor, shape factor and other parameters of the amplitude amplifier pole could be determined.
确定出其理论共振长度、小端直径、位移节点、放大系数、形状因数等参数。
Thirdly, the receiving-end consist of signal detection circuit, amplifier and data receiving circuit is also fabricated. Measuring results show that it performs well.
第三，研究与实现了接收端的信号检测、信号放大、数据采集电路，测试表明电路功能良好。
Additionally, the head amplifier adopts a differential amplification mode to test the change of the signals on the secondary end for eliminating various interfering signals.
此外，为消除各种干扰信号，前置放大器采用差动放大方式来检测次级端上的信号变化。
KTV professional amplifier, power amplifier civilian high, medium and low-end package of software and hardware development.
KTV专业功放、调音台、民用功放高、中、低档整套软件和硬件开发。
The output of the machine connect DAC0832 to carry on a DA conversion, again pass operation amplifier to put an end exportation wave-form.
在单片机的输出端口接DAC0832进行DA转换，再通过运放进行波形调整，最后输出波形接在示波器上显示。
The output of the machine connect DAC0832 to carry on a DA conversion, again pass operation amplifier to put an end exportation wave-form.
在单片机的输出端口接DAC0832进行DA转换，再通过运放进行波形调整，最后输出波形接在示波器上显示。
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