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International Journal of Engineering، جلد ۱۷، شماره ۱، صفحات ۱۹-۲۴
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
A Very Low Voltage 9th Order Linear Phase Baseband Switched Capacitor Filter (RESEARCH NOTE) |
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| چکیده انگلیسی مقاله |
A very low voltage 9th order linear phase baseband switched capacitor (SC) filter has been designed to be used as part of a cellular GSM (Global System Mobile) receiver. A Gaussian-to-6dB filter of the order of seven is chosen and a second order function is added to reduce the group delay variations around. The filter uses a fully differential topology to increase the dynamic range and reduce the clock feed-through noise and the distortion due to low voltage amplifier. Using a chopper stabilization technique in opamp design reduces the flicker noise. In order to reduce the charge injection two methods of delayed clock phases and dummy switches are used. The filter is realized by cascading the biquad sections. The filter has been designed in a 0.35μm CMOS technology and simulated with Hspice using BSIM 3V3 model. The filter operates at 2MHz sampling frequency and 1MHz chopping frequency with a corner frequency of 100KHz and 7mW power consumption. |
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| کلیدواژه‌های انگلیسی مقاله |
Low Voltage Analog Circuit, Baseband SC Filter |
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| نویسندگان مقاله |
P. Goravanchi |
Electerical Engineering, Shahid Beheshti University
O. Hashemipour |
Electerical Engineering, Shahid Beheshti University
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| نشانی اینترنتی |
http://www.ije.ir/article_71488_6f11a58c0f06f31a6421ae6b77f4025d.pdf |
| فایل مقاله |
اشکال در دسترسی به فایل - ./files/site1/rds_journals/409/article-409-2417254.pdf |
| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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| نوع مقاله منتشر شده |
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