用途：用于射频，高频放大。
高频放大器输出功率40瓦。
低成本高频装置，高频放大方法，无线通信装置和移动电话。
Low cost high-frequency device, high-frequency amplifying method, radio communication device and mobile phone.
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。
In this paper, digital potentiometers X9C103 to change the high-frequency amplifier feedback resistor to achieve the control feedback purposes.
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.
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。
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.
按作家兼投资者NassimNicholasTaleb的说法，高频交易“放大了变化并最终使系统更加脆弱”。
According to Nassim Nicholas Taleb, an author and investor, HFT "magnifies changes and ultimately makes the system weaker".
速调管一种用速度调节的方法放大或产生超高频率的电子管。
An electron tube used to amplify or generate ultrahigh frequency by means of velocity modulation.
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。
The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated.
此外本文参照高频电路的设计特点，分析了低场磁共振信号放大电路的噪声干扰来源，给出了一些减少噪声干扰的具体措施。
By imitating of the design characters of the high frequency circuit, the origin and the classification of the noise interferences of the low field NMR circuit system are analyzed.
本文讨论了砷化镓双栅场效应管在电视接收机UHF频道选择器中作高频调谐放大和变频应用时的一些考虑，并给出有关的实验结果。
This paper goes into the application of the GaAs Dual-Gate FET to the high frequency tuning-amplification and frequency conversion in a TV UHF channel selector and gives some experimental results.
用途与简介：本机是利用电磁感应的原理，高频信号经放大由感应线圈输出。
Brief introduction: SWFL apply electromagn etic induction principle, and the amplified high frequency signal is put out through inductor .
用途：用于音频、高频功率放大。
Purpose: Audio frequency and high frequency power amplifier.
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 mix-lookin detection technique for high frequency signal measurement with low frequency look-in amplifier is presented.
结合数字合成脉冲的技术特点及信号特征，提出利用恒流源差分放大电路具有非线性工作区的特点实现高频脉冲信号调理的方法。
Considering the characteristics of digital-synthesis technology and pulse signal, this paper proposes a method to implement the adjustment of high-speed pulse using differential amplifier.
该分布式电源系统采用高频母线形式，原边电路采用双管正激电路，电压前馈控制，后级利用磁放大器精确控制。
The primary circuit has the form of double switch forward of feedforward control, the second circuit used the magnetic amplifier as the post regulator.
软土对高频地微动信号有滤波作用，对低频信号起放大作用，而硬土层则相反。
Soft soil can filter high frequency signals, but can amplify low frequency signals.
电感是电子电路设计中的重要元件，广泛应用在滤波器、带通放大器、高频补偿等各种电路中。
Inductor is the important elements in electronic circuit design, widely used in filters, band-pass amplifiers and other high-frequency compensation circuit.
所述有源放大器补偿电阻损耗、高频趋肤效应和高频辐射。
The active amplifiers compensate ohmic losses, high frequency skin effects, and high frequency radiation.
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。
The associated key technology of electron apparatus's front analog input circuit is deeply researched, including high frequency circuit theoretic and high speed amplifier.
寻求先进、高效、实用、稳定、可靠的UHF电视发射机高频线性功率放大器，至今仍是一个十分重要的技术课题。
Pointed out that it is a very important subject to look for the advanced, high-efficiency, useable, stable, reliable high linear power amplifier of UHF TVtransmitter by now.
利用该程序研究了椭圆波导FEM放大器的输出功率、效率、带宽等高频特性，并对不同椭圆度的椭圆波导FEM放大器的性能进行了计算、对比分析。
The characteristics of FEM amplifier with elliptical guide, such as the evolutin of power, efficiency and bandwidth, are analyzed. These results are useful to design FEM devices.
高频信号源包括振荡电路，阻抗匹配电路和功率放大电路。
The high frequency power supply involves the oscillator, the impedance matching and the power amplifier.
因此本文还详细阐述以下内容：硬件方面采用了高频窄脉冲信号发生及接收放大电路、高速数据采集电路；
On the aspect of hardware, they include: narrow pulse and high frequency ultrasonic sensor's design, high frequency signal generator and receiver's design, high speed data completed sampling's design.
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-speed digital frequency mixer made of medium-scale integrated circuits and the design of a high power transistor amplifier are also presented.
该公司的主要产品门类涵盖放大器、电池管理、数据转换器、高频、接口、电压调节器和电压基准。
The Company's principal product categories include amplifiers, battery management, data converters, high frequency, interface, voltage regulators and voltage references.
分析了高频开关电源的特点及将其应用到音频功率放大器中所遇到的主要问题，以及解决这些问题的基本方法。
The problems in its application on audio frequency power amplifier and the main methods to solve them are pointed out.
高频功率放大器的特点是输出功率大和效率高。
High power's characteristics of the enlarger is greatly to output powers and the efficiency is high.
高频功率放大器的特点是输出功率大和效率高。
High power's characteristics of the enlarger is greatly to output powers and the efficiency is high.
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