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Communication Dans Un Congrès Année : 2010

Novel MMIC architectures for tunable microwave wideband active filters

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1
F. Bergeras
  • Fonction : Auteur
P. Dueme
  • Fonction : Auteur
J. Plaze
  • Fonction : Auteur
B. Darcel
  • Fonction : Auteur
Bernard Jarry
Michel Campovecchio

Résumé

This paper reports on two novel architectures for designing tunable microwave active bandpass filters in MMIC technology. The 1st MMIC concerns a frequency-tunable active bandpass filter based on the principle of "actively-coupled passive resonators". Starting from a specific synthesis method developed for fixed-frequency high-order filters, the frequency tuning ability is now performed by the use of varactor-diodes. This new feature is illustrated by the design of a tunable 3-pole active bandpass filter centered at 12 GHz on GaAs. The 2nd MMIC implements a frequency-selective wideband active bandpass filter with the ability to select the required band. This feature is achieved by the use of a channelized configuration. To demonstrate this ability, a GaAs chip has been designed using 3 active filtering channels, embedded in a distributed topology to perform a 3-pole bandpass response in the [9-15] GHz range. The 1st chip was designed using the UMS PH25 process [1] (0.25μm GaAs P-HEMT) whereas the 2nd one used the OMMIC ED02AH process (0.2μm GaAs P-HEMT).
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Dates et versions

hal-00607078 , version 1 (07-07-2011)

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Citer

F. Bergeras, P. Dueme, J. Plaze, B. Darcel, Bernard Jarry, et al.. Novel MMIC architectures for tunable microwave wideband active filters. Microwave Symposium Digest (MTT), 2010 IEEE MTT-S International, May 2010, Anaheim, CA, United States. pp.1356-1359, ⟨10.1109/MWSYM.2010.5516316⟩. ⟨hal-00607078⟩

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