NDLI: Design of a Ku-band Gilbert mixer with gain, noise figure and linearity enhancement

Content Provider	IEEE Xplore Digital Library
Author	Elyasi, Hedieh Nabavi, Abdolreza
Copyright Year	2011
Description	Author affiliation: Tarbiat Modares University (Elyasi, Hedieh; Nabavi, Abdolreza)
Abstract	This paper presents the first Ku-band (12–18 GHz) mixer employs a Post Distortion Cancellation (PDC) technique to absorb the Third Order Intermodulation Distortion (IMD3) generated by transconductance stage. As the parasitic capacitances degrade the gain, noise figure and linearity of the circuit, an extra inductor is added between source nodes of switching transistors to enhance all the above three features. Simulations in a 0.18-μm CMOS technology demonstrate 4.1 dB IIP3 improvement compared to conventional Gilbert mixer. The gain and noise figure are also improved by approximately 0.6 dB and 1 dB in the entire band, respectively. The proposed circuit draws only 3-mA from a 1.8-V supply, which appears to be the same power as that in conventional mixer.
Starting Page	1
Ending Page	6
File Size	331724
Page Count	6
File Format	PDF
ISBN	9781457707308
e-ISBN	9789644634284
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-17
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	AmirKabir Univ of Tech
Subject Keyword	CMOS Gilbert mixer Post distortion cancellation Noise Linearity Ku-band CMOS integrated circuits Transistors Flicker noise Mixers Gain Transconductance
Content Type	Text
Resource Type	Article

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Design of a Ku-band Gilbert mixer with gain, noise figure and linearity enhancement