A 3.6mW differential common-gate CMOS LNA with positive-negative feedback
A common-gate (CG) LNA has been widely investigated because it features superior bandwidth, linearity, stability, and robustness to PVT variations compared to a common-source (CS) topology. In spite of these advantages, the dependence of gain and NF on the restricted transconductance (gm) renders th...
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| creator | Sanghyun Woo Woonyun Kim Chang-Ho Lee Kyutae Lim Laskar, J. |
| description | A common-gate (CG) LNA has been widely investigated because it features superior bandwidth, linearity, stability, and robustness to PVT variations compared to a common-source (CS) topology. In spite of these advantages, the dependence of gain and NF on the restricted transconductance (gm) renders this topology unsuitable for various wireless applications. The input impedance of a CG LNA is simplified as Mgm, and the noise factor is inversely proportional to gm. In order to achieve high gain and low NF, gm should be increased, which deteriorates the 50Omega input impedance matching for a conventional CG LNA. |
| doi_str_mv | 10.1109/ISSCC.2009.4977386 |
| format | Conference Proceeding |
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In spite of these advantages, the dependence of gain and NF on the restricted transconductance (gm) renders this topology unsuitable for various wireless applications. The input impedance of a CG LNA is simplified as Mgm, and the noise factor is inversely proportional to gm. In order to achieve high gain and low NF, gm should be increased, which deteriorates the 50Omega input impedance matching for a conventional CG LNA.</description><identifier>ISSN: 0193-6530</identifier><identifier>ISBN: 9781424434589</identifier><identifier>ISBN: 1424434580</identifier><identifier>EISSN: 2376-8606</identifier><identifier>DOI: 10.1109/ISSCC.2009.4977386</identifier><identifier>LCCN: 81-644810</identifier><language>eng</language><publisher>IEEE</publisher><subject>Bandwidth ; Character generation ; Feedback ; Impedance ; Linearity ; Noise measurement ; Noise robustness ; Robust stability ; Topology ; Transconductance</subject><ispartof>2009 IEEE International Solid-State Circuits Conference - Digest of Technical Papers, 2009, p.218-219,219a</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4977386$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,780,784,789,790,2058,27925,54920</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4977386$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Sanghyun Woo</creatorcontrib><creatorcontrib>Woonyun Kim</creatorcontrib><creatorcontrib>Chang-Ho Lee</creatorcontrib><creatorcontrib>Kyutae Lim</creatorcontrib><creatorcontrib>Laskar, J.</creatorcontrib><title>A 3.6mW differential common-gate CMOS LNA with positive-negative feedback</title><title>2009 IEEE International Solid-State Circuits Conference - Digest of Technical Papers</title><addtitle>ISSCC</addtitle><description>A common-gate (CG) LNA has been widely investigated because it features superior bandwidth, linearity, stability, and robustness to PVT variations compared to a common-source (CS) topology. In spite of these advantages, the dependence of gain and NF on the restricted transconductance (gm) renders this topology unsuitable for various wireless applications. The input impedance of a CG LNA is simplified as Mgm, and the noise factor is inversely proportional to gm. 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In spite of these advantages, the dependence of gain and NF on the restricted transconductance (gm) renders this topology unsuitable for various wireless applications. The input impedance of a CG LNA is simplified as Mgm, and the noise factor is inversely proportional to gm. In order to achieve high gain and low NF, gm should be increased, which deteriorates the 50Omega input impedance matching for a conventional CG LNA.</abstract><pub>IEEE</pub><doi>10.1109/ISSCC.2009.4977386</doi></addata></record> |
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| subjects | Bandwidth Character generation Feedback Impedance Linearity Noise measurement Noise robustness Robust stability Topology Transconductance |
| title | A 3.6mW differential common-gate CMOS LNA with positive-negative feedback |
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