Towards low power N-Path filters for flexible RF-Channel selection

Eric A.M. Klumperink; M.C.M. Soer; R.E. Struiksma; Frank Edward van Vliet; Bram Nauta

doi:10.1007/978-3-319-21185-5_15

Towards low power N-Path filters for flexible RF-Channel selection

Eric A.M. Klumperink, M.C.M. Soer, R.E. Struiksma, Frank Edward van Vliet, Bram Nauta

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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Abstract

N-path filters can offer high-linearity high-Q channel selection filtering at a flexibly programmable RF center frequency, which is highly wanted for Software Defined Radio. Relying on capacitors and MOSFET switches, driven by digital non-overlapping clocks, N-path filters fit well to CMOS and benefit from Moore’s law. The basis of this filtering is the linear periodically time variant (LPTV) behaviour of a switch-R-C series circuit, which realizes frequency translated filtering, where a baseband filter characteristic is shifted around the switching frequency. This paper reviews the basic concept of N-path filters and recent developments, with special attention to possibilities to reduce power consumption by increasing the impedance level. The basic operation of the switch-R-C kernel that is at the core of N-path filtering is reviewed in terms of transfer function and noise performance.

Original language	Undefined
Title of host publication	24th Workshop on Advances in Analog Circuit Design, AACD 2015
Place of Publication	Switserland
Publisher	Springer
Pages	255-274
Number of pages	20
ISBN (Print)	978-3-319-21184-8
DOIs	https://doi.org/10.1007/978-3-319-21185-5_15
Publication status	Published - 22 Apr 2015
Event	24th Workshop on Advances in Analog Circuit Design, AACD 2015 - Neuchatel, Switzerland Duration: 21 Apr 2015 → 23 Apr 2015 Conference number: 24

Publication series

Name	Efficient Sensor Interfaces, Advanced Amplifiers and Low Power Systems
Publisher	Springer

Conference

Conference	24th Workshop on Advances in Analog Circuit Design, AACD 2015
Abbreviated title	AACD
Country/Territory	Switzerland
City	Neuchatel
Period	21/04/15 → 23/04/15

Keywords

EWI-26930
METIS-316882
IR-100198

Access to Document

10.1007/978-3-319-21185-5_15

Cite this

Klumperink, E. A. M., Soer, M. C. M., Struiksma, R. E., van Vliet, F. E., & Nauta, B. (2015). Towards low power N-Path filters for flexible RF-Channel selection. In 24th Workshop on Advances in Analog Circuit Design, AACD 2015 (pp. 255-274). (Efficient Sensor Interfaces, Advanced Amplifiers and Low Power Systems). Springer. https://doi.org/10.1007/978-3-319-21185-5_15

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title = "Towards low power N-Path filters for flexible RF-Channel selection",

abstract = "N-path filters can offer high-linearity high-Q channel selection filtering at a flexibly programmable RF center frequency, which is highly wanted for Software Defined Radio. Relying on capacitors and MOSFET switches, driven by digital non-overlapping clocks, N-path filters fit well to CMOS and benefit from Moore{\textquoteright}s law. The basis of this filtering is the linear periodically time variant (LPTV) behaviour of a switch-R-C series circuit, which realizes frequency translated filtering, where a baseband filter characteristic is shifted around the switching frequency. This paper reviews the basic concept of N-path filters and recent developments, with special attention to possibilities to reduce power consumption by increasing the impedance level. The basic operation of the switch-R-C kernel that is at the core of N-path filtering is reviewed in terms of transfer function and noise performance.",

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author = "Klumperink, {Eric A.M.} and M.C.M. Soer and R.E. Struiksma and {van Vliet}, {Frank Edward} and Bram Nauta",

note = "10.1007/978-3-319-21185-5_15 ; 24th Workshop on Advances in Analog Circuit Design, AACD 2015 ; Conference date: 21-04-2015 Through 23-04-2015",

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Klumperink, EAM, Soer, MCM, Struiksma, RE, van Vliet, FE & Nauta, B 2015, Towards low power N-Path filters for flexible RF-Channel selection. in 24th Workshop on Advances in Analog Circuit Design, AACD 2015. Efficient Sensor Interfaces, Advanced Amplifiers and Low Power Systems, Springer, Switserland, pp. 255-274, 24th Workshop on Advances in Analog Circuit Design, AACD 2015, Neuchatel, Switzerland, 21/04/15. https://doi.org/10.1007/978-3-319-21185-5_15

Towards low power N-Path filters for flexible RF-Channel selection. / Klumperink, Eric A.M.; Soer, M.C.M.; Struiksma, R.E. et al.
24th Workshop on Advances in Analog Circuit Design, AACD 2015. Switserland: Springer, 2015. p. 255-274 (Efficient Sensor Interfaces, Advanced Amplifiers and Low Power Systems).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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