DocumentCode
3581676
Title
A low-power UWB radar transceiver with fast switching wideband LNA for short-range detection
Author
Won, You-Sun ; Yuwono, Sigit ; Jung, Jae-Hoon ; Han, Seok-Kyun ; Lee, Sang-Gug
Author_Institution
Dept. of Electrical Engineering, KAIST, Daejeon, 305-701, Korea
fYear
2014
Firstpage
1124
Lastpage
1126
Abstract
This paper presents a short-range UWB radar that extends the detection-range. The minimum detectable-range is shortened by the adoption of an LNA with fast-switching operation, whereas the maximum detectable-range is improved by a wideband transceiver. To minimize the power dissipation, the radar transceiver is turned on/off in synchronization with transmit pulses. The proposed radar operates at 4 GHz with 1 GHz bandwidth, and measurements show the detectable-range of 0.1 to 1.5 m for an antenna gain of 2 dBi while consuming 2.13 nJ/pulse from a 1.2 V supply at 1 MHz PRF. The chip occupies an area of 1.98 mm2.
Keywords
Abstracts; Decision support systems; FCC; Low-noise amplifiers; Transmitters; Ultra wideband radar; Low-noise amplifiers; pulse generation; switched circuits; transceivers; ultra wideband radar;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Conference (APMC), 2014 Asia-Pacific
Type
conf
Filename
7067685
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