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Design of a Band-Pass Pseudo-2-Path Switched Capacitor Ladder Filter
San Jose, California March 21-March 23
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ISQED.2005.43Sixth International Symposium on Qual ...
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A. Zahabi, University of Tehran, Tehran, Iran
O. Shoaei, University of Tehran, Tehran, Iran
Y. Koolivand, University of Tehran, Tehran, Iran
A sixth order band-pass pseudo-two-path switched-capacitor ladder filter is designed. Sampling frequency is 300 kHz. Center frequency of the filter is 75 kHz and its bandwidth is 1.5 kHz. A fully differential telescopic OPAMP is designed for filter integrators in a 0.35 μm CMOS technology using HSPICE simulator. Pass-band gain of the filter is 0.5 dB with (V_{in})_{p-p} = 4V. Supply voltage is 3V. SDR is obtained 56.1 dB with (V_{in})_{p-p} = 1.2V at f_{in} ≈ 74.9 kHz. Total power consumption of the filter is 153 μW. Maximum capacitor spread is 53.
Citation:
A. Zahabi, O. Shoaei, Y. Koolivand, "Design of a Band-Pass Pseudo-2-Path Switched Capacitor Ladder Filter," isqed, pp.662-667, Sixth International Symposium on Quality of Electronic Design (ISQED'05), 2005
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