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This paper presents a low power, wide bandwidth low noise amplifier (LNA) with current-reused transformer feedback topology in 90-nm CMOS. The current-reused technique is employed to reduce the power consumption and meanwhile maintain the moderate gain by using Gm-boosted in common-gate (CG) stage. The input matching adopts a gate-source feedback transformer to achieve wideband gain and noise matching...
A miniaturized full differential bandpass filter with significant area reduction is presented. To achieve miniaturized circuit area and effectively reduce cost, the transformer based structure and organic substrate (FR-4) were adopted to realize the bandpass filter design. The coupled resonator synthesis method was used, and properly shifted tapped feed-line to obtain better impedance match at ports...
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