1.Current Feedback Operational Amplifier (abbreviation: CFA) also is called transimpedance operational amplifier, it has very good performance advantage, and its ability that handles linearly big scope and high frequency signal is better than Voltage Feedback Operational Amplifier (abbreviation: VFA).
电流反馈运算放大器(Current Feedback Operational Amplifier,简称CFA)又称跨阻运算放大器,它具有极佳的性能优点,其线性地处理大幅度、高频率信号的能力远优于电压反馈运算放大器(Voltage Feedback Operational Amplifier,简称VFA)。
2.A 0. 98μm Laser Diode Pumped Erbium-Doped Fiber Amplifier with 40nm Bandwidth
A 0．98μm Laser Diode Pumped Erbium－Doped Fiber Amplifier with 40nm Bandwidth
3.In this paper, we present a 1.8 V、0.18 μm PLL. The proposed PLL is based on VCO with CSA (Current Steer Amplifier).
设计了一种 1 .8V、0 .1 8μm工艺的低噪声低功耗锁相环电路 ,其采用 CSA(Current Steer Amplifier)架构的压控振荡器 (VCO)。
4.The recent research and development situations of the optical fiber amplifier including erbium doped fiber amplifier (EDFA), thulium doped fiber amplifier (TDFA), Raman fiber amplifier (FRA) and semiconductor optical amplifier (SOA) domestic and abroad are described, and the trend of the amplifiers are discussed, the characteristics of them are compared.
摘要介绍了国内外光放大器的最新研究动态，主要包括掺铒光纤放大器、掺铥光纤放大器、光纤喇曼放大器及半导体光放大器，并指出相关放大器的发展趋势，最后对光纤放大器的特性进行了比较分析。
5.Huang Xianlu, Yang wenze, Ding Yanyun and Feng Qi: The quantitative analysis of instantaneous floating-point amplifier in DFS-V seismic system, OGP, 23(2) 1988: 219～226 On the basis of analysing the principle and circuit of instantaneous floating-point amplifier(IFP amplifier) in DFS-V seismic system, we developed a set of mathematic models for quantitative analysis of IFP amplifier, and designed the program for computing and plotting.
黄先律,杨文泽,丁燕云,冯淇:DFS-V仪器瞬时浮点放大器的定量分析,《石油地球物理勘探》,23(2)1988:219～226 本文在分析DFS-V仪器IFP工作原理和电路特点的基础上,提出了一套对IFP进行定量分析的数学模型,并编制了计算和绘图程序。
6.It introduces a circuit of programmable weak current amplifier, this circuit can output voltage according with input range of ADC by using programmable amplifier controlled by AT89C51, key principles of weak current amplifier and operation theory of programmable amplifier LH0086 are given too.
介绍了一种动态变化范围较大的可编程微电流放大电路,通过AT89C51单片机控制可编程放大器,输出符合A/D转换器输入范围的电压,同时介绍了微电流放大电路的设计要点和可编程增益放大器LH0086的工作原理
7.Two experiment designs have been studied, which are about MOPA transmitter using high-power fiber amplifier as power amplifier and the receiver using low-noise fiber amplifier as preamplifier.
研究高功率光纤放大器用作功放的主振功放光发射系统的实验方案，低噪声光纤放大器用作光接收机的前置放大器的实验方案.
8.Compared with analog power amplifier, digital amplifier has many advantages, such as Hi-Fi, high efficiency, good match between amplifier and loudhailer, easy update, convenient debugging and so on.
数字功放产品相对模拟功放有很多的优点:高效率、保真度较好、功放和扬声器的匹配好、升级换代容易、生产调试方便等,且与未来的全数字式音频广播、高清晰度电视的发展趋势相匹配。
9.Th is paper proposes the design of an optical isolated differential amplifier based o n the principle of differential amplifier. The amplifier has the character of wi de pass band,lower temperature shift,high CMRR and high anti-EMI ability. And input ter-minals and output terminals are electrical isolated as well.
介绍了一种基于差动原理设计的光隔离差动放大器,这种放大器具有宽频带、低温度漂移、高共模抑制比、较高的抗EMI性能等优点,输入端与输出端之间利用光耦合器件进行电隔离,可用于多种电子测量电路中。
10.A novel amplifier chain which is composed of the forward wave crossed-field amplifier (CFA) driven directly by solid state amplifier (SSA) is better in performances and reliability compared with traditional three stage chain which is composed of "SSA+TWTA+CFA".
摘要采用固态放大器直接驱动前向波管的新型放大链与“固态-中功率行波管-前向波管”三级放大链相比较，具有更好的性能指标。
