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ABSTRACT: A novel UWB short-range radar (SRR) which effectively mitigates its impacts on radio services using the restricted band such as radio astronomy or Earth Exploring Satellite Service is introduced. The essential components, a burst oscillator generating no carrier leak, and antennas with notch-filtering function are presented in detail. Other key MMICs, such as a high-speed square-law detector, variable gain LNA, a sample-hold circuit, etc. are also described with the performances of the SRR
Ultra-Wideband, The 2006 IEEE 2006 International Conference on; 10/2006
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ABSTRACT: A novel UWB SRR complying with the FCC new spectrum mask, and its key components, a carrier-leak-free BO, an antenna with notch filtering function, has been described. Furthermore, an incoherent receiving system which consists of SLD, variable gain LNA, SH has been presented, enabling simple and low-cost SRR. We make further efforts for developing simpler SRR with one-chip Tx- and one-chip Rx-modules.
Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings; 01/2006
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ABSTRACT: The design and performance of an MMIC burst oscillator that oscillates only while the driving pulse is applied are described. Since it does not generate carrier leak, a UWB radar using this oscillator may effectively mitigate interference with services using the restricted frequency band by locating its spectrum sufficiently far from the band.
Electronics Letters 05/2005; · 0.96 Impact Factor
