Mismatch of MOSFET small signal parameters under analog operation

Roland Thewes; Carsten Linnenbank; Ute Kollmer; Stefan Burges; Ulrich Schaper; Ralf Brederlow; Werner Weber

doi:10.1109/55.887462

Mismatch of MOSFET small signal parameters under analog operation

Roland Thewes, Carsten Linnenbank, Ute Kollmer, Stefan Burges, Ulrich Schaper, Ralf Brederlow, Werner Weber

Research output: Contribution to journal › Article › peer-review

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Abstract

The matching behavior of drain current I_D and small signal parameters transconductance g_m and differential output conductance g_DS of MOSFETs is investigated under typical analog operating conditions. Whereas for the normalized standard deviations of I_D and g_m the well known proportionality to (W×L_eff)^-1/2 is obtained, the normalized standard deviation of g_DS clearly deviates from this width and length dependence. For this parameter, a proportionality to W^-1/2 is found.

Original language	English
Pages (from-to)	552-553
Number of pages	2
Journal	IEEE Electron Device Letters
Volume	21
Issue number	12
DOIs	https://doi.org/10.1109/55.887462
State	Published - Dec 2000
Externally published	Yes

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abstract = "The matching behavior of drain current ID and small signal parameters transconductance gm and differential output conductance gDS of MOSFETs is investigated under typical analog operating conditions. Whereas for the normalized standard deviations of ID and gm the well known proportionality to (W×Leff)-1/2 is obtained, the normalized standard deviation of gDS clearly deviates from this width and length dependence. For this parameter, a proportionality to W-1/2 is found.",

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AU - Thewes, Roland

AU - Linnenbank, Carsten

AU - Kollmer, Ute

AU - Burges, Stefan

AU - Schaper, Ulrich

AU - Brederlow, Ralf

AU - Weber, Werner

PY - 2000/12

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AB - The matching behavior of drain current ID and small signal parameters transconductance gm and differential output conductance gDS of MOSFETs is investigated under typical analog operating conditions. Whereas for the normalized standard deviations of ID and gm the well known proportionality to (W×Leff)-1/2 is obtained, the normalized standard deviation of gDS clearly deviates from this width and length dependence. For this parameter, a proportionality to W-1/2 is found.

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Mismatch of MOSFET small signal parameters under analog operation

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