一种用于800mhz低电流消耗山顶中继器的有源双栅GaAs FET混频器

[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings Pub Date : 1991-05-09 DOI:10.1109/PACRIM.1991.160683

B. Buxton, R. Vahldieck, J. Bornemann

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引用次数: 1

摘要

提出了一种用于800 ~ 900 MHz频率范围内的低噪声接收机前端的双栅GaAs场效应管混频器。该电路是在低成本的0.062英寸玻璃纤维基板上制作的，in /sub / r为4.2，并采用廉价的普通表面贴装元件设计。该样机的三阶截距为9 dBm，相对于输出电平，最小增益为13.9 dB，当本端功率为-2 dBm，漏极电流为3.0 mA时，灵敏度为-119.3 dBm。为了提高性能和更容易集成到接收器中，输出阻抗设置为1500 ω。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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An active dual-gate GaAs FET mixer for 800 MHz low current consumption mountain top repeaters

A dual-gate GaAs FET mixer for use in a low-noise receiver front end in the frequency range of 800 to 900 MHz is presented. The circuit is made on a low-cost 0.062-in fiber glass substrate with in /sub r/ of 4.2 and is designed with inexpensive common surface mount components. The prototype has a third-order intercept of 9 dBm, with respect to the output level, a minimum gain of 13.9 dB, and a sensitivity of -119.3 dBm when driven with an LO power of -2 dBm and with a drain current of 3.0 mA. For improved performance and for easier integration into the receiver, the output impedance is set at 1500 Omega .<>

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[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings

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