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H-bridge switching power amplifiers are popular for their high efficiency and large power output.Based on analysis and experiments of mainstream DAA and DAPS, a 10W H-bridge power amplifier circuit is designed with JAZZ 0.5um BCD technology.

本文在分析国内外数字音频功放及后级开关功率放大器现状的基础上，采用JAZZ的0.5umBCD工艺，设计了一种高效率宽功率输出范围的数字音频H桥功率放大电路。

In the demodulating Log Amplifiers, a special architecture of RSSI is proposed.

本文介绍了RSSI特殊的具体电路及其结构。

The use of a phase-splitting stage harks back to valve amplifiers, where it was inescapable as a complementary valve technology has so far eluded us.

分相器的使用就要提到电子管放大器，它当然就是一项互补电子管技术，但我们确常常忽略它。

"Though film, microfilms, punch cards, punch tapes , type recordings, holograms, and other devices preserve a large volume of information in small space, the information on them is available to human senses only through apparatus such as enlargers, readers, and amplifiers."

尽管电影、缩微胶片、打孔资料卡、打孔磁带、录音磁带、全息图和其他方法能以较小面积贮存大量信息，但人类感官必须要通过象放大器，阅读器和扩大机等仪器才能接受到这些信息。

"Though film, microfilms, punch cards, punch tapes, type recordings, holograms, and other devices preserve a large volume of information in small space, the information on them is available to human senses only through apparatus such as enlargers, reader s, and amplifiers."

尽管电影、缩微胶片、打孔资料卡、打孔磁带、录音磁带、全息图和其他方法能以较小面积贮存大量信息，但人类感官必须要通过象放大器，阅读器和扩大机等仪器才能接受到这些信息。

The electronic amplifiers made music more penetrating.

电子扩音器使音乐变得有穿透力。

This resonator consists of only three operational amplifiers,and provides a pules train of the switching signal to control static switch on or off with adjustable frequency f and conduction duty k.

这种谐振器仅由三个运算放大器组成，能产生开关信号脉冲列来控制静态开关的导通和关断，其频率f和导通占空比k可调。

Early used to detect objects without photoelectric sensor is a small metal cylindrical equipment, with a camera calibration transmitter, will focus on optical receivers, the receiver will be receiving a cable superimposes the vacuum tube amplifiers.

早期的用来检测物体有无的光电传感器是一种小的金属圆柱形设备，发射器带一个校准镜头，将光聚焦射向接收器，接收器出电缆将这套装置接到一个真空管放大器上。

It will change as you move around depending on your proximity to various instruments, amplifiers and wedges.

当你走来走去时凭你对不同乐器，放大器和舞台的了解，听到的声音也将起变化。

It has separate microphone pickups and amplifiers for each string.

每根琴弦都有各自独立的拾音器和放大器。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。