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2011•Modern Electronics TechniqueRequires access

Design of Broadband Low Noise Amplifier

Jiang Fang-kun

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Abstract

The broadband characteristic of Lange couplers was used to design L/S band balanced broadband low noise amplifier,and a simulated design software was used to optimize the operating frequency,noise figure,gain,input and output SWR and other several important indicators.The designed amplifier whose gain is 33～35 dB,noise figure≤1 dB,input and output SWR 1.5 when the frequency rang is 1.2～2.5 GHz.The low noise amplifier has prefect performance and meets the technical requirements.

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What this paper is about

The broadband characteristic of Lange couplers was used to design L/S band balanced broadband low noise amplifier,and a simulated design software was used to optimize the operating frequency,noise figure,gain,input and output SWR and other several important indicators.The designed amplifier whose gain is 33～35 dB,noise figure≤1 dB,input and output SWR 1.5 when the frequency rang is 1.2～2.5 GHz.The low noise amplifier has prefect performance and meets the technical requirements.

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Available abstract

The broadband characteristic of Lange couplers was used to design L/S band balanced broadband low noise amplifier,and a simulated design software was used to optimize the operating frequency,noise figure,gain,input and output SWR and other several important indicators.The designed amplifier whose gain is 33～35 dB,noise figure≤1 dB,input and output SWR 1.5 when the frequency rang is 1.2～2.5 GHz.The low noise amplifier has prefect performance and meets the technical requirements.

Key concepts: Broadband, Low-noise amplifier, Effective input noise temperature, Noise figure, Amplifier, Electronic engineering, Noise (video), Electrical engineering

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