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A 2.3-2.7 GHz Dual-Mode RF Receiver for WLAN and Mobile WiMAX Applications in $0.13{\mu}m$ CMOS  

Lee, Seong-Ku (Dept. of Wireless Communications Engineering, Kwangwoon University)
Kim, Jong-Sik (Dept. of Wireless Communications Engineering, Kwangwoon University)
Kim, Young-Cho (Dept. of Wireless Communications Engineering, Kwangwoon University)
Shin, Hyun-Chol (Dept. of Wireless Communications Engineering, Kwangwoon University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.47, no.3, 2010 , pp. 51-57 More about this Journal
Abstract
A dual-mode direct conversion receiver is developed in $0.13\;{\mu}m$ RF CMOS process for IEEE 802.11n based wireless LAN and IEEE 802.16e based mobile WiMAX application. The RF receiver covers the frequency band between 2.3 and 2.7 GHz. Three-step gain control is realized in LNA by using current steering technique. Current bleeding technique is applied to the down-conversion mixer in order to lower the flicker noise. A frequency divide-by-2 circuit is included in the receiver for LO I/Q differential signal generation. The receiver consumes 56 mA at 1.4 V supply voltage including all LO buffers. Measured results show a power gain of 32 dB, a noise figure of 4.8 dB, a output $P_{1dB}$ of +6 dBm over the entire band.
Keywords
RF Receiver; WLAN; WiMAX; CMOS;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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