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  • 英語(yǔ)翻譯

    英語(yǔ)翻譯
    1、The heterodyne receiver architecture was ruled out due to the need of off-chip image rejection filters which opposes the goal of a low-cost application where direct antenna coupling is preferred.
    2、A traditional RF front-end consists of an LNA followd by I and Q mixers driven by I and Q LO signals ,respectively.(LO本季振蕩器)
    3、A microphotograph of the 5.77mm² die is shown in Fig.14.(圖表14)(die如何理解?)
    (來(lái)自《A Fully Integrated 2.4-GHz IEEE 802.15.4-Compliant Transceiver for ZigBee™ Application)
    英語(yǔ)人氣:601 ℃時(shí)間:2020-04-16 21:48:00
    優(yōu)質(zhì)解答
    【是這個(gè)意思】:1、外差式接收機(jī)的結(jié)構(gòu)設(shè)計(jì),并非是為適應(yīng)離片圖像帶阻濾波器的需要而考慮的,因?yàn)閹ё铻V波器與優(yōu)先直接天線聯(lián)接的低成本應(yīng)用的目標(biāo)相悖.2、傳統(tǒng)的RF前端設(shè)備是由一個(gè)LNA 以及附設(shè)的I與Q混音器所組成,...
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