On the design and sensitivity of RC sequence asymmetric polyphase networks in RF integrated transceivers

RC sequence asymmetric polyphase networks provide an efficient way for wide-band quadrature signal generation in RF integrated wireless transceivers with reduced sensitivity to component mismatch. In addition, polyphase networks represent a passive implementation for complex analog filters used for...

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Published in1999 IEEE International Symposium on Circuits and Systems (ISCAS) Vol. 2; pp. 593 - 597 vol.2
Main Authors Galal, S.H., Tawfik, M.S., Ragaie, H.F.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1999
Subjects
Intelligent networks
Oscillators
Passive filters
Radio frequency
Signal design
Signal generators
Transceivers
Transmitters
Voltage
Wireless sensor networks
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Summary:RC sequence asymmetric polyphase networks provide an efficient way for wide-band quadrature signal generation in RF integrated wireless transceivers with reduced sensitivity to component mismatch. In addition, polyphase networks represent a passive implementation for complex analog filters used for image signal suppression. The behavior of one, two and three-stage networks is evaluated analytically. A design methodology is proposed and a sensitivity analysis based on Monte Carlo simulation is presented. The effect of the absolute variation of R and C values on the phase and gain matching as well as on the image signal suppression is investigated.
ISBN:0780354710
9780780354715
DOI:10.1109/ISCAS.1999.780829