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Analysis of imperfections in N-phase high-Q band-pass filters

Nikoofard, Ali ; Kananian, Siavash ; Behmanesh, Baktash LU orcid ; Atarodi, Seyed Mojtaba and Fotowat-Ahmady, Ali (2015)
Abstract
The effect of clock skew and duty-cycle on the performance of high-Q N-phase band-pass filters (BPFs) have been examined in this paper. Following a mathematical approach and using the analytical derivations carried out, the effects of such non-idealities as clock skew and duty-cycle error are determined in an N-path filter. It is analytically proved that image signals from all integer multiples of the clock signal, rather than just those at (1 ± kN) multiples of the clock signal, land atop the wanted RF spectrum. In a real world clock generator, with non-idealities in effect, filtering property and proper behavior of the filter is adversely affected. Finally, system level simulation along with circuit simulation using TSMC 0.18μm process... (More)
The effect of clock skew and duty-cycle on the performance of high-Q N-phase band-pass filters (BPFs) have been examined in this paper. Following a mathematical approach and using the analytical derivations carried out, the effects of such non-idealities as clock skew and duty-cycle error are determined in an N-path filter. It is analytically proved that image signals from all integer multiples of the clock signal, rather than just those at (1 ± kN) multiples of the clock signal, land atop the wanted RF spectrum. In a real world clock generator, with non-idealities in effect, filtering property and proper behavior of the filter is adversely affected. Finally, system level simulation along with circuit simulation using TSMC 0.18μm process have been performed which corroborate the proposed analytical derivations. (Less)
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author
; ; ; and
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
host publication
2015 IEEE International Symposium on Circuits and Systems (ISCAS)
publisher
IEEE - Institute of Electrical and Electronics Engineers Inc.
external identifiers
  • scopus:84946227504
ISBN
978-1-4799-8391-9
DOI
10.1109/ISCAS.2015.7168623
language
English
LU publication?
no
id
f6c29e69-1f71-481c-881e-f94445fce6c1
date added to LUP
2021-11-30 12:10:53
date last changed
2022-02-02 01:42:30
@inproceedings{f6c29e69-1f71-481c-881e-f94445fce6c1,
  abstract     = {{The effect of clock skew and duty-cycle on the performance of high-Q N-phase band-pass filters (BPFs) have been examined in this paper. Following a mathematical approach and using the analytical derivations carried out, the effects of such non-idealities as clock skew and duty-cycle error are determined in an N-path filter. It is analytically proved that image signals from all integer multiples of the clock signal, rather than just those at (1 ± kN) multiples of the clock signal, land atop the wanted RF spectrum. In a real world clock generator, with non-idealities in effect, filtering property and proper behavior of the filter is adversely affected. Finally, system level simulation along with circuit simulation using TSMC 0.18μm process have been performed which corroborate the proposed analytical derivations.}},
  author       = {{Nikoofard, Ali and Kananian, Siavash and Behmanesh, Baktash and Atarodi, Seyed Mojtaba and Fotowat-Ahmady, Ali}},
  booktitle    = {{2015 IEEE International Symposium on Circuits and Systems (ISCAS)}},
  isbn         = {{978-1-4799-8391-9}},
  language     = {{eng}},
  month        = {{07}},
  publisher    = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}},
  title        = {{Analysis of imperfections in N-phase high-Q band-pass filters}},
  url          = {{http://dx.doi.org/10.1109/ISCAS.2015.7168623}},
  doi          = {{10.1109/ISCAS.2015.7168623}},
  year         = {{2015}},
}