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Synthesis of Low-Sensitivity Analog Filters
Linköping University, Department of Electrical Engineering, Electronics System. Linköping University, The Institute of Technology.
2010 (English)In: ANALOG CIRCUIT DESIGN, 129-145 p.Article in journal (Refereed) Published
Abstract [en]

Doubly resistively terminated LC filters are optimal from an element sensitivity point of view and are therefore used as reference filter for high-performance active filters. The later inherits the sensitivity properties of the LC filter. Hence it is important to design the reference filter to have minimal element sensitivity. In this paper, we first review the mechanism for the low sensitivity and give an upper bound on the deviation in the passband attenuation. Next we compare classical lowpass approximations with respect to their influence on the sensitivity and propose the use of diminishing ripple in the passband to further reduce the sensitivity. Finally, we propose a design strategy for doubly resistively terminated LC filters with low sensitivity.

Place, publisher, year, edition, pages
SPRINGER , 2010. 129-145 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-58509DOI: 10.1007/978-90-481-3083-2_7ISI: 000273028100007OAI: diva2:342947
Available from: 2010-08-11 Created: 2010-08-11 Last updated: 2013-02-21

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Wanhammar, Lars
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Electronics SystemThe Institute of Technology
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ReferencesLink to record
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