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Iranian Journal of Electrical and Electronic Engineering، جلد ۸، شماره ۲، صفحات ۱۲۹-۱۳۷
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عنوان انگلیسی Cancellation of Series-Loss Resistance in UWB Active Inductors using RC Feedback
چکیده انگلیسی مقاله One of the most important features of the Active Inductors (AIs) is their input equivalent resistance, namely series-loss resistance, which should be low enough to have a high Quality Factor (QF). Most of the previous methods by this goal did not yield a high enough QF. This paper presents a new method, namely applying an RC feedback, to cancel series-loss resistance entirely. As the RC feedback cancels series-loss resistance, it enhances the Self-Resonant Frequency (SRF) as well. The SRF of the AI has a range as high as 0.25-12.5 GHz. Compared to the previous reports, the QF has been improved by applying the RC feedback. The structure is such that the QF can be adjusted independent of the SRF. For example, a very high quality factor of 13159 at the frequency of 6.6 GHz with a 2.2 nH inductance is obtained, while noise voltage and power dissipation are less than 4.6 nV Hz and 4 mW, respectively. The AI is designed and simulated using 90 nm CMOS process and 1.2 V power supply. To the best of authors’ knowledge, this is the first time an RC feedback has been implemented to cancel series-loss resistance.
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نویسندگان مقاله m رفیعی | m. rafei
narmak, tehran 16846-13114, iran


محمدرضا موسوی | m r mosavi
narmak, tehran 16846-13114, iran
نشانی اینترنتی http://ijeee.iust.ac.ir/browse.php?a_code=A-10-78-4&slc_lang=en&sid=en
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده 2-Analog Circuits
نوع مقاله منتشر شده Research Paper
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