NDLI: A current-mode 6–9GHz UWB transmitter with output power flattening technique

Content Provider	IEEE Xplore Digital Library
Author	Yunfeng Chen Jinhan Fan Wei Li Ning Li Junyan Ren
Copyright Year	2010
Description	Author affiliation: State Key Laboratory of ASIC & System (Yunfeng Chen; Jinhan Fan; Wei Li; Ning Li; Junyan Ren)
Abstract	This paper presents a current-mode 6~9GHz RF transmitter for OFDM-UWB system applications. By a current-mode low pass filter with variable gain between the digital-to-analog converter and the up-conversion mixer, this transmitter exceeds the traditional voltage-mode counterpart in terms of high linearity (+3.5-dBm output 1-dB compression point, +12.5-dBm output third intercept point) and low spurious emission (<-50-dBc LO leakage, >50-dB sideband rejection) with low power consumption (40-mA current under 1.2-V supply voltage). By an output power flattening technique, the output power ripple is restricted within ±0.5dB. By an inductor-less divider and active-inductor LO buffer, a small die area of 0.72 $mm^{2}$ is obtained with TSMC's 0.13-μm 1P8M RF CMOS technology. The design is verified through post-layout simulations.
Starting Page	329
Ending Page	332
File Size	516793
Page Count	4
File Format	PDF
ISBN	9781424453085
DOI	10.1109/ISCAS.2010.5537818
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-30
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transmitters Power generation Radio frequency Voltage CMOS technology Low pass filters Gain Digital-analog conversion Linearity Energy consumption
Content Type	Text
Resource Type	Article

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