Design of multi-standard (IEEE 802.11a/b/g and WCDMA) RF front-end using reconfigurable mixer

Kim, Changjae; Jang, Young-Kyun; Yoo, Hyung-Joun

doi:10.1109/icce.2005.1429893

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2016

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“…A multiband RF frontend to meet these conditions can be realized by a multiband circuit such as a reconfigurable mixer and low noise amplifier (LNA), or by a multifunction circuit such as an active filter has the features of a LNA and a passive filter simultaneously. However, implementation for a multiband RF front-end receiving very different frequency bands has significant technical limitations [3,4,5,6].…”

Section: Introductionmentioning

confidence: 99%

Simplified multiband front-end architecture using a multifunction circuit

Kim

Hwang

et al. 2016

IEICE Electron. Express

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A multifunction circuit to simplify a multiband front-end operating at very different bands is proposed. The multifunction circuit operates as a sub-harmonic mixer or an attenuator depending on a control voltage. A multiband front-end using the proposed multifunction circuit can reduce component, is 23 percent smaller, and is less expensive compared to a conventional architecture with a switching circuit.

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Section: Introductionmentioning

confidence: 99%