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A Dual Band CMOS Receiver With Hybrid Down Conversion Mixer for IEEE 802.11a/b/g/n WLAN Applications

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3 Author(s)
Dong-Ok Han ; Central R&D Inst., Samsung Electro-Mech. Co. Ltd. (SEMCO), Suwon, South Korea ; Jeong-Hoon Kim ; Sang-Gyu Park

A low power dual band fully integrated receiver incorporating IEEE 802.11a/b/g/n WLAN standards was manufactured using 0.13 ??m CMOS technology. In this letter, the proposed hybrid mixer, which uses both double- and direct-conversion architecture, operates in the 5 GHz band in order to eliminate the need for high LO frequency generators. This hybrid mixer is a small low power device that shares a 2.4 GHz LNA inductor with the first 5G band mixer. The receiver is operated with a single-ended 1.2 V supply demanding only 77mA at the 2.4 GHz and 90 mA at the 5 GHz bands. The error vector magnitude is 3.4%/3.1% at the 2.4 GHz/5 GHz bands, respectively.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:20 ,  Issue: 4 )

Date of Publication:

April 2010

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