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Article Dans Une Revue Microwave journal Année : 2010

Miniaturized Semi-Lumped UWB Bandpass Filter with Improved out-of-band performances

Résumé

A miniaturized ultra wideband (UWB) bandpass filter with improved out-of band performances is presented in this paper. Based on the combination of low-pass and high-pass filters, the UWB filter is realized in a semi-lumped technology using microstrip transmission lines and surface mounted capacitors. In this paper, the filter de-sign rules have been carried out. Furthermore, filters having a 3-dB fractional bandwidth of 142% centered at 0.77 GHz have been realized. Measurements in good agreement with simulations, show attractive properties of return loss (|S11|<-18 dB), insertion loss (<0.3 dB). Moreover, a technique adopting capacitively loaded stubs was used to extend the stopband till 8 times the center frequency.
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Dates et versions

hal-00625189 , version 1 (21-09-2011)

Identifiants

  • HAL Id : hal-00625189 , version 1

Citer

Darine Kaddour, Jean-Daniel Arnould, Philippe Ferrari. Miniaturized Semi-Lumped UWB Bandpass Filter with Improved out-of-band performances. Microwave journal, 2010, 53 (10), pp.110-126. ⟨hal-00625189⟩
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