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| Avago MGA-86576 MMIC放大方案 | |||||
作者：Avago 文章来源：Avago 点击数： 更新时间：2008-6-16  |
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MGA-86576 1.5–8 GHz Low Noise GaAs MMIC Amplifier Avago’s MGA-86576 is an economical, easy-to-use GaAs MMIC amplifier that offers low noise and excellent gain for applications from 1.5 to 8 GHz. The MGA-86576 may be used without impedance matching as a high performance 2 dB NF gain block. Alternatively, with the addition of a simple series inductor at the input, the device noise figure can be reduced to 1.6dB at 4 GHz. The circuit uses state-of-the-art PHEMT technology with self-biasing current sources, a source-follower interstage, resistive feedback, and on chip impedance matching networks. A patented, on-chip active bias circuit allows operation from a single +5 V power supply. Current consumption is only 16 mA. These devices are 100% RF tested to assure consistent performance. 主要特性: 1.6 dB Noise Figure at 4 GHz 23 dB Gain at 4 GHz +6 dBm P1dB at 4 GHz Single +5 V Bias Supply 应用: LNA or Gain Stage for 2.4 GHz and 5.7 GHz ISM Bands Front End Amplifier for GPS Receivers LNA or Gain Stage for PCN and MMDS Applications C-Band Satellite Receivers Broadband Amplifier for Instrumentation  图1. MGA-86576方框图  图2. MGA-86576放大演示电路图.  图3.完整的MGA-86576演示放大器布局图. |
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