National Changhua University of Education Institutional Repository : Item 987654321/11674

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NCUEIR > College of Engineering > Department and Graduate Institute of Electronic Engineering > Periodical Articles > Item 987654321/11674

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/11674

Title:	A 24-GHz Transmitter With On-Chip Dipole Antenna in 0.13-um CMOS
Authors:	Cao, Changhua;Ding, Yanping;Yang, Xiuge;Lin, Jau-Jr;Wu, Hsin-Ta;Verma, Ashok K.;Lin, Jenshan;Martin, Frederick;Kenneth, K. O.
Contributors:	電機工程學系
Keywords:	Complementary metal oxide silicon (CMOS);Frequency synthesizer;On-chip antenna;Single-chip radio;Transmitter
Date:	2008-06
Issue Date:	2012-06-18T02:37:08Z
Publisher:	Institute of Electrical and Electronics Engineers
Abstract:	A fully integrated dual-conversion transmitter chain with an on-chip dipole antenna and an integer-N synthesizer operating in the 24-GHz Instrument, Scientific and Medical (ISM) band was fabricated in 0.13-μm CMOS. The choice of 24-GHz operation enables the integration of a 4-mm long antenna on chip. The transmitter chain can support data rate of 100 Mb/s. It provides 6-dBm output power to a 100-Ω load at 22.4 GHz with 152-mW power dissipation including that of a frequency synthesizer. At this output power level, the dual conversion architecture can mitigate the VCO pulling even when an antenna and a power amplifier are integrated on the same substrate as the VCO. The out-of-band emissions due to the modulation side lobes and image have been sufficiently suppressed. The stray emissions of local oscillator can also be reduced using circuit techniques. The signal from the transmitter has been picked up 95 meters away with a horn antenna, which suggests that wireless communications between a single chip radio and a base station 100 meters away is possible.
Relation:	IEEE Journal of Solid-State Circuits, 43(6):1394-1402
Appears in Collections:	[Department and Graduate Institute of Electronic Engineering] Periodical Articles

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