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Generalized Analysis of High-Order Switch-RC $N$ -Path Mixers/Filters Using the Adjoint Network.
- Source :
- IEEE Transactions on Circuits & Systems. Part I: Regular Papers; Oct2018, Vol. 65 Issue 10, p3267-3278, 12p
- Publication Year :
- 2018
-
Abstract
- This paper presents a systematic method to analyze $N$ -path mixers and filters consisting of periodically switched $RC$ -networks of arbitrary order. It is assumed that each capacitor periodically exchanges charge with the rest of the network during the on-phase of the switching clock, then samples its charge, and holds it perfectly until the next on-phase. This assumption allows for using the adjoint network for simplified analysis of the harmonic transfer functions that describe the signal transfer and folding. Moreover, harmonic transfer cancellations due to the $N$ -path implementation with $N$ equal capacitors switched by $N$ non-overlapping clocks are systematically analyzed. The method is applied to a recently published $N$ -path filter-mixer combination and verified by simulations. [ABSTRACT FROM AUTHOR]
- Subjects :
- HARMONIC suppression filters
CAPACITORS
Subjects
Details
- Language :
- English
- ISSN :
- 15498328
- Volume :
- 65
- Issue :
- 10
- Database :
- Complementary Index
- Journal :
- IEEE Transactions on Circuits & Systems. Part I: Regular Papers
- Publication Type :
- Periodical
- Accession number :
- 131629663
- Full Text :
- https://doi.org/10.1109/TCSI.2018.2816342