According to the characteristics of VHF-band circuit, a VHF broadband high-power amplifier was introduced in this paper.
本文根据VHF频段电路的特点，设计了一款VHF宽带大功率放大器。
During a seven-day auction on eBay that ended on May 29, Novocin says he sold four items, including an X-Band Weather Radar Modulator for and a high-frequency radio circuit card for .
最后，经过七天的竞价，诺沃辛卖出了四件零件，包括以500美元的售价卖出一个雷达调节器和以32美元卖出一个高频无线电电路板。
Current mode theory enables design of super wide frequency band, super high speed analog switches by introducing circuit structures and principles.
采用电流模理论和电流模电路设计超宽频带、超高速度模拟开关。
This paper introduces a low supply voltage band -gap reference circuit which used a self-bias cascode current mirror.
因此介绍了一种采用自偏置低压共源共栅电流源的带隙基准电路结构，用两个电阻代替了偏置电路。
The transmitter circuit consists of a pulse signal generator circuit, band-pass filters, power amplifiers.
发射机电路由脉冲信号产生电路、带通滤波器、功率放大器组成。
At least one antenna is connected to an adjusting circuit with a switch, by which the antenna's operating band can be displaced in a desired way.
至少一个天线连接至有转换开关的调节电路，通过调节电路能够根据需要使天线的工作频带移位。
An introduction of the design and implementation of a broad-band square circuit is given, which is used to recover the carrier of the high speed QPSK signal.
介绍采用微波混频器的上变频特性实现宽带平方电路的设计方法与具体实现，主要用于高码速率QPS K信号的载波恢复。
In this paper, design method for wide band and low noise AGC amplifier is intro-duced. Circuit design and implementation is presented based on some application.
介绍了宽带低噪声agc放大器的设计方法，并结合具体应用进行了电路设计和实现。
This paper introduces thought and process which are wide-band amplifier design in photon counter system. The detail circuit is given.
本文介绍光子计数系统中宽带放大电路的设计思想和设计过程，给出了具体设计电路。
This article introduces the basic principle of radar narrow band doppler filters, puts up the designing method of the hardware circuit and analyzes the filter accuracy.
介绍了采用数字方法实现雷达窄带多普勒滤波器组的基本原理，给出了硬件电路的设计方法，并对滤波器精度进行了分析。
The objective function of the sector array bias circuit is constructed, which is applied to CAD of the broad-band microstrip bias circuit with a good result.
导出了扇形阵偏置电路的目标函数，此目标函数用于计算机辅助设计宽带微带偏置电路，取得了很好的效果。
The selection of plan of super small size s band FM transmitter, its circuit design and structural arrangement are introduced, and the stability and quality of the transmitter are also analyzed.
介绍S波段超小型调频发射机方案的选择、电路设计、结构安排，并对该发射机的稳定性和质量进行了分析。
This paper introduces the design thought of a wide band digital frequency synthesis loop. The principle circuit is given.
介绍了一种宽带数字式频率合成环路的设计思想，给出了原理电路。
The system uses a powerful transmitting circuit that transmits width-variable pulses, and a sensitive receiving circuit that offers quite wide frequency band.
该系统采用大功率、可变发射脉宽的发送电路，高灵敏度、宽带的接收电路，能实现快速、动态、高分辨率的采集和成像。
The frequency prediction of skywave propagation in shortwave band is the precondition of performance prediction of skywave communication circuit.
短波天波传播频率预测是短波天波通信电路性能预测的前提。
Combined with wide band current feedback amplifier, FET input circuit and programmable circuit, variable gain amplification circuit with high speed and high input impedance is designed.
并以宽带电流反馈运算放大器为核心，辅以FET输入电路及程控电路构建了高速高输入阻抗可变增益放大电路。
The protection circuit on the input end has a gate electrode comprised of a band-like conductive film.
输入端的保护电路有由带状导电膜组成的栅电极。
The factors which will be encountered are descried and modules include anti-aliasing filter, clock circuit, band gap voltage reference, sc integrator, latched comparator and DAC are designed.
最后在考虑实际因素的基础上，依次设计了时钟产生电路、前置滤波器、带隙基准源、开关电容积分器、锁存比较器和DAC等子模块电路并做了仿真。
By taking the rectangular metal patch on a printed circuit board as the radiation element and by cutting a C-shaped slot in the rectangular patch, a frequency band notch is implemented.
该天线采用印刷电路板上的矩形贴片作为辐射单元，通过在矩形贴片上开一个C形槽来实现陷波功能。
By applying frequency analysis method to a standard active band-pass filter circuit, a formula to calculate characteristic frequencies is offered.
根据标准有源带通滤波器原理，采用频域分析法，可得出有源带通滤波器的特征频率计算公式。
This Paper Proposes a interface circuit which can input the signals of two dimensional monochrome picture into a computer. This circuit is characterized by wide band, pragmatism and multifunction.
介绍了一种二维黑白图像信号输入计算机系统的接口电路。
This paper analyzed chiefly the circuit of single side-band mixing by use of orthographic signal and described advantages of the mixing circuit.
本文主要分析用正交信号实现单边带混频电路，并阐述其优越性。
Inductor is the important elements in electronic circuit design, widely used in filters, band-pass amplifiers and other high-frequency compensation circuit.
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。
The device parameter as well as resonance frequency, mechanical quality factor and work band width were determined by the equivalent circuit input impedance admittance circle diagram.
分析压电式超声波换能器的等效电路，并由等效电路输入阻抗的导纳圆图确定了换能器的元器件参数以及谐振频率、机械品质因数和工作带宽等特征参量。
In the paper, the calculating method of signal extraction filter pass-band according to the paper-counting speed and the utility circuit of separating strong interference in pass-band are given.
并针对点钞速度给出了信号提取滤波器通频带的计算方法，以及在带内分离强干扰的实用电路。
A novel microstrip circuit was presented, and design method for X band microwave power module was introduced.
介绍了一种新颖X频段功放模块的设计方法和研制过程。
CMOS wide band transresistance circuit based on current feedback op is introduced.
介绍了用CMOS电流反馈放大器构成互阻放大器的基本原理。
Points 204 and 206 denote the short circuit (low impedance) points in the first conductor 102 which resonates at the low band.
点204和206表示在低波段处谐振的第一导体102中的短路（低阻抗）点。
The method is worthy of learning for designing broad band power amplifier matching circuit fast and accurately.
此方法对快速有效地设计宽带功率放大器匹配电路有着很好的借鉴作用。
The method is worthy of learning for designing broad band power amplifier matching circuit fast and accurately.
此方法对快速有效地设计宽带功率放大器匹配电路有着很好的借鉴作用。
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