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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A CMOS 5 nV$/surd $Hz 74-dB-Gain-Range 82-dB-DR Multistandard Baseband Chain for Bluetooth, UMTS, and WLAN
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A CMOS 5 nV$/surd $Hz 74-dB-Gain-Range 82-dB-DR Multistandard Baseband Chain for Bluetooth, UMTS, and WLAN

机译:用于蓝牙,UMTS和WLAN的CMOS 5 nV $ / surd $ Hz 74-dB增益范围82-dB-DR多标准基带链

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摘要

An analog baseband chain for a multistandard (Bluetooth, WCDMA/UMTS, and WLAN) reconfigurable receiver in a 0.13 $mu{hbox {m}}$ CMOS occupying 1.65 ${hbox {mm}}{2}$ is presented. The circuit consits of an open-loop programmable-gain amplifier (PGA1), an Active- $G_m$-$RC$ low-pass filter (LPF), and a closed-loop programmable-gain amplifier (PGA2). The chain gain can be programmed in the range $-{hbox{6}}div {hbox {68~dB}}$, while the input-referred noise (IRN) is 5 $hbox{nV}/surd hbox{Hz}$. A dynamic range (DR) larger than 82 dB is achieved for a 1% total harmonic distortion (THD). The current consumption is minimized and adjusted for the different operation conditions, down to 11 mA for the full chain.
机译:提出了在0.13 $ mu {hbox {m}} $ CMOS中占用1.65 $ {hbox {mm}} {2} $的多标准(蓝牙,WCDMA / UMTS和WLAN)可重配置接收机的模拟基带链。该电路由一个开环可编程增益放大器(PGA1),一个有源-$ G_m $-$ RC $低通滤波器(LPF)和一个闭环可编程增益放大器(PGA2)组成。可以在$-{hbox {6}} div {hbox {68〜dB}} $范围内编程链增益,而输入参考噪声(IRN)为5 $ hbox {nV} / surd hbox {Hz} $。对于1%的总谐波失真(THD),可实现大于82 dB的动态范围(DR)。电流消耗被最小化,并针对不同的工作条件进行了调整,对于整个链,电流消耗低至11 mA。

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