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A Fast Switchable and Band-Tunable 5-7.5GHz LNA in 45nm CMOS SOI Technology for Multi-Standard Wake-up Radios

This work presents design and full implementation of a fast switchable and band-tunable 5 - 7.5 GHz low noise amplifier (LNA) in a 45nm CMOS SOI technology. The target application are wake-up receivers that employ aggressive duty cycling. Based on a cascode topology, the LNA utilizes a transformer for its 50 input matching as well as a balun with a capacitor bank to realize 8 digitally selectable bands. According to measurement results, the fabricated LNA exhibits a voltage gain of 18 - 21 dB while drawing a current of merely 2.2mA from a 1V supply. At all the 8 bands from 5 to 7.5 GHz, the input reflection coefficient lies below -8 dB, and the noise figure ranges from 7.8 to 6.2 dB. The LNA is able to settle in less than 9.5 ns

Identiferoai:union.ndltd.org:DRESDEN/oai:qucosa:de:qucosa:35061
Date20 August 2019
CreatorsMa, Rui, Kreißig, Martin, Ellinger, Frank
PublisherIEEE / Institute of Electrical and Electronics Engineers Incorporated,
Source SetsHochschulschriftenserver (HSSS) der SLUB Dresden
LanguageEnglish
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/acceptedVersion, doc-type:conferenceObject, info:eu-repo/semantics/conferenceObject, doc-type:Text
Rightsinfo:eu-repo/semantics/openAccess
Relation10.1109/ICECS.2018.8617866, info:eu-repo/grantAgreement/Europäische Kommission/H2020/687973//GREAT heteroGeneous integRated magnetic tEchnology using multifunctional standardized sTack/GREAT

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