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 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。
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。
As a result, an AMPLIFIER of this type may have outstanding low frequency POWER supply rejection, but the negative supply rejection is fundamentally limited at high frequencies.
因此，此类放大器会有杰出的低频电源抑制，但负电源抑制在高频下相当有限。
A new evaluation approach for the in-band nonlinear distortion, which is formed by the orthogonal frequency division multiplex (OFDM) signal passing through the high power amplifier, is presented.
提出了研究正交频分复用(OFDM)信号通过高功率放大器产生的带内非线性畸变的一种新方法。
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。
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。
The high-speed digital frequency mixer made of medium-scale integrated circuits and the design of a high power transistor amplifier are also presented.
介绍了高速中规模集成数字频率合成器、晶体管高频大功率放大器的设计。
The high frequency power amplifier outputs 40 Watts.
高频放大器输出功率40瓦。
The associated key technology of electron apparatus's front analog input circuit is deeply researched, including high frequency circuit theoretic and high speed amplifier.
本文还对仪器前端模拟输入通道所涉及的一些关键技术进行了深入研究，研究内容主要包括高频电路设计理论和高速放大器技术。
Purpose: Audio frequency and high frequency power amplifier.
用途：用于音频、高频功率放大。
The high frequency power supply involves the oscillator, the impedance matching and the power amplifier.
高频信号源包括振荡电路，阻抗匹配电路和功率放大电路。
With the ever-increasing data rates, require high accuracy amplifier with very high dc gain and high unity gain frequency in order to meet both accuracy and fast settling requirements of the system.
而随着数据传输速率的增加，在许多方面需要高增益和高带宽的运放去满足系统的精度和速度的要求。
High power operation of single-frequency Raman fiber amplifier (SF-FRA) is usually limited by the generating of stimulated Brillouin scattering (SBS).
高功率单频光纤拉曼放大器(SF -FRA)的输出功率往往会由于受激布里渊散射(SBS)的出现而受到限制。
The design for high-power MOS tube as the core original pipe, using discrete components and integrated operational amplifier combines the low-frequency power amplifier design.
本计划以大功率管MOS管为核心原件，采用分立元件与集成运放相连合计划出的低频功率放大器。
Based on the conventional Class-E resonant high-frequency power amplifier, a new control scheme used in Active-clamped Class-E inverter for ultra-high frequency induction heating is proposed.
以传统的E类高频功率放大电路为基础，提出了应用于高频感应加热电源的有源箝位E类逆变电源的一种新型控制方法。
During signal processing, choosing low noise, high-precision, low-power amplifier AD620 as a pre-amplifier, and high-and low-pass filter and the frequency notch filter removal of interfering signals.
在信号处理中选用具有低噪声、高精度、低功耗放大器ad620作为前置放大器，并以高、低通滤波器和工频陷波器清除干扰信号。
During signal processing, choosing low noise, high-precision, low-power amplifier AD620 as a pre-amplifier, and high-and low-pass filter and the frequency notch filter removal of interfering signals.
在信号处理中选用具有低噪声、高精度、低功耗放大器ad620作为前置放大器，并以高、低通滤波器和工频陷波器清除干扰信号。
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