这对目前无线通讯接收机的可变增益放大器设计具有很高的参考价值。
These results are relatively satisfactory compared to the conventional VGA design. This provides a very good reference for the current VGA design in wireless receiver.
介绍了程控增益放大器三种电路实现方式，以及这几类电路在电声系统中的应用。
Three kinds of programmable gain amplifier circuit are introduced in this article. Their applications to electro-acoustic system are introduced, too.
该放大器由电流调节型可变增益单元、宽范围指数电压转换电路及固定增益放大器构成。
It consists of a variable-gain cell based on a current-steering structure, a novel wide-range exponential voltage generator, and a stage of a fixed-gain amplifier.
详细叙述了高位数字译码器13位DAC的工作原理，并对可变增益放大器作了理论分析。
The principle of the most significant bits digital decoder-13 bits DAC is described in detail, and the gain controlled amplifier is theoretically analysed.
该可编程增益放大器采用源极反馈电阻可变的差分放大器结构，且带有直流漂移校正电路。
The PGA consists of the differential amplifier with variable source degeneration resistor and the DC-offset correction circuit.
芬德侧目几年回来时，他们挤满了两个经典的放大器和现代的高增益放大器紧缩成一个盒子。
Fender turned heads a few years back when they crammed two classic amps and the high gain crunch of modern amps into one box.
而且，可以发送增益值，它可用来控制在8-PSK操作期间的收发信机中的可变增益放大器（VGA）。
Furthermore, a gain value may be sent which may be used to control a variable gain amplifier (VGA) within the transceiver during 8-PSK operation.
然后经过一级可变增益放大器，在经过A/D变换，通过单片机串口将数字数据传输到ARM主控制板内进行处理。
Then after a variable gain amplifier, After A / D conversion and through the microcontroller serial digital data to the ARM within the main control panel for processing.
介绍了一种实用的程控增益技术，该技术利用DAC0832作为程控增益放大器，具有良好的控制特性，线性度好。
This paper introduces a sort of program-controlled-gain technology, which makes use of DAC0832. The amplifier has good control and linear characteristic.
提出一种自动量程切换电压测量系统的设计方法，该系统基于程控增益放大器器件，使用单片机控制其增益实现量程的自动切换。
It presents a system of voltage measurement with self-scale, based on the program control amplifier controlled by the single chip computer.
该系统中的硬件包括D／A和A／D转换接口、程控增益放大器、多路取样阀门控制接口等；软件包括在线流程分析和常规分析软件。
Hardware interface includes A/D, D/A converters, programmable gain controller and multiplex sampling valve controller. software includes on-line process analysis and normal analysis unit.
本发明提供一种具有自动增益控制功能的无线接收器及自动增益控制方法，其中，该接收电路包含可程序化增益放大器以及低噪声放大器。
A wireless receiver with automatic gain control and a method for automatic gain control of a receiving circuit utilized in a wireless receiver are provided.
本文通过对LD泵浦高增益放大器系统的结构设计，对影响结构稳定性的因素和作用机理以及提高结构稳定性途径方面进行了较详细的研究。
In this paper we present a design for LD pumped high-gain amplifier system. Factors that have influence on the stability of the structures and method of improvement were fully discussed.
也许映入我们脑海的第一个问题就是如何让一个增益无穷大的运算放大器发挥作用。
Eg. Perhaps the first question that come to mind is how an amplifier with infinite gain can be made useful.
和电压表电路一样，可以使用如图1 - 11所示的组合电路来改变皮安表放大器的增益。
Picoammeter amplifier gain can be changed as in the voltmeter circuit by using the combination shown in Figure 1-11.
采用自动增益控制(agc)技术实现的宽频带放大器在雷达系统及其他相关电子领域有着广泛的应用。
Wideband amplifier, realized by the technology of automatic gain control (AGC), is used widely in radar system and other correlative electronic fields.
该保护端由一个单位增益的低阻抗放大器驱动。
This guard is driven by a unity-gain, low impedance amplifier.
折叠共源共栅放大器的增益、共模抑制比等。
And gain, common mode rejection ration in folded cascade amplifier.
许多实际的放大器将多个放大器级联起来，以获得较高的电压增益。
Many practical amplifiers chain together a series of analog amplifier stages to obtain a high overall voltage gain.
这个屏蔽由一个单位增益的低阻抗放大器(保护)驱动。
Now this shield is driven by a unity-gain, low impedance amplifier (Guard).
对于一般的放大器。一个问题是其增益au或者AI取决于两端口系统的内部特性。(分析书上的译句)。
One problem with electronic devices corresponding to the generalized amplifiers is that the gains, AU or ai, depend upon internal properties of the two-port system.
在发送方向，收发信机向功率放大器提供射频信号，功率放大器根据给定调制类型的增益和斜坡信息对信号进行放大。
In the transmit direction, the transceiver provides RF signals to the power amplifier, which amplifies the signals based on gain and ramp information for a given modulation type.
介绍了光纤光学参量放大器的理论，基于耦合波方程推导出光纤光学参量放大器的增益表达式。
Theory of fiber optical parametric amplifiers (FOPAs) is introduced and the expression for the gain of FOPAs is deduced from the basic coupled wave equations.
当接收到短脉冲检测开始触发信号时，向自动增益控制放大器(201)输出一个增益控制信号，以便用最大值进行放大。
Upon reception of a burst detection start trigger signal, a gain control signal is output to an automatic gain control amplifier (201) so as to perform amplification with a maximum value.
基于速率方程建立了线性光放大器(loa)的数值模型，模拟了线性光放大器的增益钳制特性。
The numerical model of the linear optical amplifier (LOA) is built based on the rate equations. The gain clamping characteristics of LOA are simulated.
这就要求电压的总增益达到109，因此就需要很多放大器级联起来。
This requires an overall voltage gain of 109, so a number of voltage gain stages will be required.
负反馈的最重要作用在于使放大器总增益不至于因基本放大器增益的改变而变化，其总增益的大小完全取决于反馈网络的元件参数。
The most important effect of this is to make the overall amplifier gain almost immune to changes in the amplifier unit gain, and dependent almost entirely on the feedback network components.
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.
设计了一种新型可变增益线性脉冲放大器。
I have designed a kind of new variable gain linear pulse amplifier.
这方法降低了增益，但加宽了放大器的通频带。
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