A 2.5 V CMOS differential active inductor with tunable L and Q for frequencies up to 5 GHz

A differential active inductor in CMOS technology with a supply voltage of 2.5 V is presented. A self-resonant frequency of 5.6 GHz is achieved. The value of the inductance L can be controlled in the range from 10 nH up to 100 nH. The quality factor Q can be tuned independently of L to values as lar...

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Main Authors: Grozing, M., Pascht, A., Berroth, M.
Format: Conference Proceeding
Language:English
Subjects:
Active inductors
Circuit optimization
Equivalent circuits
Gyrators
Inductance
MOSFETs
Optical amplifiers
Q factor
Radio frequency
Transconductance
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Pascht, A.
Berroth, M.
description A differential active inductor in CMOS technology with a supply voltage of 2.5 V is presented. A self-resonant frequency of 5.6 GHz is achieved. The value of the inductance L can be controlled in the range from 10 nH up to 100 nH. The quality factor Q can be tuned independently of L to values as large as 600. The active inductor is realized with a differential gyrator. The gyrator transforms intrinsic capacitances of the MOSFETs to the emulated inductance.
doi_str_mv 10.1109/MWSYM.2001.966959
format conference_proceeding
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Active inductors
Circuit optimization
Equivalent circuits
Gyrators
Inductance
MOSFETs
Optical amplifiers
Q factor
Radio frequency
Transconductance
title A 2.5 V CMOS differential active inductor with tunable L and Q for frequencies up to 5 GHz
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