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A CMOS Multi-Mode Baseband Filter with Automatic Tuning
Kang-Yoon LEE Deog-Kyoon JEONG
IEICE TRANSACTIONS on Electronics
Publication Date: 2003/02/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Microwaves, Millimeter-Waves
filter, tuning, baseband, multi-mode, corner frequency,
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This paper presents a baseband filter for multi-mode applications with a new automatic tuning method. 5th-order Chebyshev low pass filter is designed for implementing the baseband channel-select filter. Capacitors and resistors were shared between modes to minimize the area. The new corner frequency tuning method is proposed to compensate the process variation. This method can reduce the noise level due to MOS switches.