Dynamic range optimization of continuous-time G/sub m/-C filters
2005
This paper presents a fast procedure for the system-level evaluation of noise and distortion in continuous-time G/sub m/-C filters. The presented approach is based on Volterra's series expansion and matrix algebra manipulation. This procedure has been integrated in a constrained optimization routine to improve the dynamic range of filters while keeping the area and power consumption at a minimum. A seventh-order, elliptic, G/sub m/-C low-pass filter, realized in a 0.18/spl mu/m CMOS technology, following the proposed procedure, demonstrates the suitability of the approach.
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