Analysis and evaluation of using a tuning inductance on the performance of gilbert cell-based CMOS sub-harmonic mixer
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Document typeArticle
Defense date2012
Rights accessRestricted access - publisher's policy
Abstract
The effect of using a tuning inductance on the performance of a Gilbert cell-based two level transistor CMOS sub-harmonic mixer is investigated. The tuning inductor used between the RF and LO switching stages causes conversion gain enhancement and noise figure improvement. Additionally, it compensates LO distortion due to the phase mismatch of LO signals in the sub-harmonic mixer. The design procedure is done in 0.18 :m CMOS process at 1.8 V supply voltage and 2.4 GHz frequency and reveals that the mixer has exhibited high performance after a FOM-based comparison, without increase the power consumption of 5 mW. The inductive connection between the RF and LO stages causes 7 dB enhancement of conversion gain and 7.3 and 6 dB improvement of noise figure and LO distortion, respectively while the mixer has achieved up to 8 dB conversion gain, 0.5 dBm IIP3, and 13.8 dB noise figure.
CitationSaberkari, A., Shokouhi, S., Alarcon, E., Baghersalimi, G. Analysis and evaluation of using a tuning inductance on the performance of gilbert cell-based CMOS sub-harmonic mixer. "Research Journal of Applied Sciences, Engineering and Technology", 2012, vol. 4, núm. 5, p. 486-490.
ISSN2040-7459
Publisher versionhttp://www.maxwellsci.com/print/rjaset/v4-486-490.pdf
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