Wideband impedance matching of integrated antennas and CMOS low noise amplifiers for a multi-band UWB receiver
ieee（2004）
摘要
This work presents a wideband impedance matching technique of integrated antennas and CMOS low noise amplifiers for a multi-band UWB receiver. Reflection and insertion loss are reduced by the direct interconnection between dipole antennas and differential low noise amplifiers without an intermediate balun. The wideband impedance matching is achieved by designing impedance ripples in the frequency response of reactive circuits to match the frequency-dependent antenna impedance. Simulation results demonstrate that this design scheme is feasible for CMOS technology.
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关键词
cmos analogue integrated circuits,mmic amplifiers,band-pass filters,differential amplifiers,dipole antennas,frequency response,impedance matching,microwave antennas,multifrequency antennas,radio receivers,ultra wideband antennas,ultra wideband communication,cmos differential lna,bandpass filter,frequency-dependent antenna impedance,insertion loss reduction,integrated antennas,multiband uwb receiver,reactive circuit frequency response impedance ripples,reflection loss reduction,wideband impedance matching,indexing terms,low noise amplifier,band pass filters,insertion loss
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