NDLI: Second harmonic rejection based on feedback technique in CMOS mixer for multi-band DCR application

Content Provider	Springer Nature Link
Author	Mollaalipour, Marzieh
Copyright Year	2015
Abstract	This paper presents a broadband linearization technique for CMOS Gilbert-based mixer in zero IF receivers. In the proposed mixer the second order distortion is reduced by using feedback technique in the RF transconductance stage. Creating a negative feedback loop is better suited for achieving broadband IIP2 improvement compared to other technique. Moreover, the added circuit increases the conversion gain of the mixer. Simulation results, using 0.13 μm CMOS TSMC model, show that the proposed technique improves IIP2 of more than 20 dB in the 900 MHz–6 GHz RF input frequency rang for 100 MHz output bandwidth in comparison with the conventional mixer. So this technique is suitable for multi-band DCR application. The total power consumption is 3.3 mW and the excess power consumption due to additional circuits used to implement cancellation mechanism is less than 1 mW.
Starting Page	353
Ending Page	359
Page Count	7
File Format	PDF
ISSN	09251030
Journal	Analog Integrated Circuits and Signal Processing
Volume Number	85
Issue Number	2
e-ISSN	15731979
Language	English
Publisher	Springer US
Publisher Date	2015-08-27
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Gilbert-cell mixers Harmonic rejection Conversion gain Intermodulation products (IM2, IM3) Second and third-order input intercept point (IIP2 and IIP3) High linearity Volterra kernel Analysis Circuits and Systems Electrical Engineering Signal, Image and Speech Processing
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Signal Processing Hardware and Architecture

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