本文介绍了一种密封式匹配负载,以及将它置于冷、热态作为一种噪声源在低噪声fet放大器及毫米波混频器测试中的应用。
A sealed coaxial matched load at hot or cold condition used in the measurement of low-noise FET amplifier and millimeter wave mixer is described.
本文介绍了源与负载匹配的条件及在设计、使用中应注意的技术问题,以使放大器输出电压达到满幅或接近满幅状态。
The efforts should be made in design and operation to ensure full or near full amplitude for output voltage of the amplifier.
所设计的射频2W线性功率放大器是基于负载线匹配原理,采用功率回退法技术。
The 2W linear RF Power Amplifier in this paper is designed in Feedback method, based on Loadline Theory.
本文介绍一种与高阻红外探测器相匹配的积分放大器,用来读出探测器的输出信号。
An integrating amplifier working together with the infrared detectors with high impedance, for example InSb (pv), will be here introduced.
通过对输入匹配、噪声和线性度的分析,给出了改进低噪声放大器综合性能的方法。
An analysis of input-matching and noise and linearity is presented, which follows up a method to upgrade the general performance of Low Noise Amplifier.
感应磁力仪与前置放大器之间的匹配问题是大地电磁测深仪中最关键的一项技术。
Matching a inductive magnetometer with its preamplifier is the keyest technique in magnetotelluric sounding system.
论文首先从理论的方面对放大器的设计进行分析,对放大器的电路模型、偏置点、线性、热稳定性、输入输出匹配进行理论上的分析。
First, we analyse the power amplifier in theory in the circuit mode, biasing point linearity, thermal stability, input and output matching circuit.
该器件的两个输入采样保持放大器之间具备高匹配度的孔径延迟。
The part features very tight aperture delay matching between the two input sample and hold amplifiers.
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.
系统不能精确地匹配输入和输出的情况。电子放大器就是一个非常普通的例子,另外还有家庭立体声音响放大器。
The inability of a system to exactly match input and output, a general example being an electronic amplifier and the classic example being a home stereophonic amplifier.
本文研究了几种常用仪表放大器电路结构,发现多需通过激光调阻技术来提高电 阻网络的匹配精度以达到高的共模抑制比。
The fact that most of these topologies need laser-trimming technique to improve the match precision to reach high CMRR is found after investigating several instrumentation amplifier topologies.
程控放大器能够把这样的信号变换成与测量或控制电路相匹配的输入电压。
Programmed amplifier is able to convert these signals into input voltage which match with testing circuits.
同时针对主要来自模拟电路的诸如实际电容的不精确匹配、放大器的有限增益等因素,通过MATLAB模型来详细分析这些模拟电路误差会对于电路性能产生的影响。
The difference between the real circuit and the design model due to the capacity mismatching, finite gain of amplifier and other analog mismatch can be simulated by MATLAB.
文中给出了一个阻容并联负载匹配网络和一个微波单片集成电路FET放大器匹配网络的设计实例。
Two design examples, the matching networks for the load with a resistance and a capacitance in parallel and for a MMIC FET amplifier are presented to illustrate the applications of this technique.
本文也对CMOS低噪声放大器进行了分析,将传统共源共栅结构看作二级放大器级联形式,并由此引入级间匹配网络。
In this paper, the traditional cascode structure of CMOS LNA is considered as a two-stage amplifier and inter-stage matching network is introduced accordingly.
提出了具有可变光衰减的串联量子阱半导体光放大器的数字模型并与实验数据相匹配。
A model for the number of QW SOAs in series with variable optical attenuation is developed and matched to the experimental data.
基于非线性和不匹配的物理理解,一种新型的低电压CMOS差分放大器的偏移消除技术的建议。
Based on a physical understanding of nonlinearity and mismatch, a novel offset-cancellation technique for low voltage CMOS differential amplifiers is proposed.
将该方法和宽带匹配网络的机助设计方法——简化实频技术相结合,成功地设计出了混合集总分布参数微波固态放大器。
By combining this procedure with the simplified real frequency technique, a CAD procedure for broadband matching networks, the microwave solid state...
由于半导体工艺制程的关系,一般来说低噪声放大器噪声匹配和输入端驻波比匹配是矛盾的。
Due to semiconductor process we must trade off between input voltage standing wave ratio (VSWR) and Noise Figure. In this paper, a balanced LNA is adopted.
由于半导体工艺制程的关系,一般来说低噪声放大器噪声匹配和输入端驻波比匹配是矛盾的。
Due to semiconductor process we must trade off between input voltage standing wave ratio (VSWR) and Noise Figure. In this paper, a balanced LNA is adopted.
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