Aluminum choke rings and a dorne margolin dipole antenna element , low - noise amplifier exhibit superior low - noise performance , obtaining 流圈和一個dorne margolin偶極元件,低噪音放大器lna體現(xiàn)了出色的低噪音功
Methods of measurement for radio equipment used in satellite earth - stations ; measurement for sub - systems ; low - noise amplifier ; identical with iec 60510 - 2 - 3 : 1989 衛(wèi)星地面站無線電設備的測量方法.分系統(tǒng)測量.低噪聲
Methods of measurement for radio equipment used in satellite earth stations ; part 2 : measurements for sub - systems ; section three : low - noise amplifier 衛(wèi)星地面站用無線電設備的測量方法.第2部分:分系統(tǒng)的測量.第3節(jié):低噪聲放大器
Uses double - hybrid design forward : first , low - noise amplifier module , then power double amplifier module or gaas power double amplifier module , while using independent module return 正向采用雙模塊設計,第一級采用低噪音放大模塊,第二級采用功率倍增或砷化鎵功率倍增模
In view of the problem of signal - to - noise and stability of circuit of photoelectric detection for weak signal , a low - noise amplifier circuit of photoelectric detection is designed , with the functions of filter and phase compensation 摘要針對光電檢測中對微弱信號放大而帶來的信噪比和穩(wěn)定性問題,設計了一種低噪聲光電信號放大電路,它具有電壓、電流濾波和相位補償功能。
To date , most research on cmos rf circuits is focused on cmos rf front - end including some key building blocks such as low - noise amplifier ( lna ) , mixer , bandpass filters , voltage control oscillators and power amplifiers . in si rf 1c , inductors need be realized on a silicon substrate along with all of the other devices in a single chip . in fact , the need for high q integrated inductors in rfics is increasing 在無線通信技術對cmos射頻集成電路需求的大背景下,本論文在大量深入調研的基礎上,圍繞射頻集成電路中必不可少的、有多種應用的無源器件?硅集成電感及其相關的cmos射頻集成單元電路,先后在上海冶金所微電子分部工藝線上及利用上海市科委的多目標芯片項目( mpw )在無錫華晶上華半導體有限公司進行了大量的實驗研究,得到了一些新的結果。
百科解釋
Low-noise amplifier (LNA) is an electronic amplifier used to amplify possibly very weak signals (for example, captured by an antenna). It is usually located very close to the detection device to reduce losses in the feedline.