Optimal low power complex filter

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United States of America Patent

PATENT NO 9148183
APP PUB NO 20150028944A1
SERIAL NO

13953730

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Abstract

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The optimal low power complex filter, as a second order complex filter, is based on current amplifiers (CAs) and is utilized to implement a 4th order current-mode filter that can be used for intermediate frequency (IF) applications, such as, for example, low-IF Bluetooth receivers. Fabricated in a standard 0.18 μm CMOS technology, experimental results show that the present design offers improved characteristics over the existing solutions in terms of power consumption and spurious-free dynamic range (SFDR). The 4th order filter exhibits in-band SFDR of 65.8 dB while consuming only 1 mW.

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Patent Owner(s)

Patent OwnerAddress
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSDHAHRAN
KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY11442 RIYADH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alzaher, Hussain Dhahran, SA 18 48

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