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Conception de diviseurs de fréquence analogiques réalisés en technologie monolithique à base de transistors pseudomorphiques à haute mobilité électronique

Abstract : A contribution to the design of monolithic analog frequency dividers based on pseudomorphic high electron mobility transistors at microwave frequencies is reported. The different existing circuits are first described according to a new classification considering frequency division principles. Afterwards, an analytical approach based on simplified models is developed to lighten frequency division mechanism. Then a general methodological approach based on CAD techniques is studied through different analysis methods. Finally, the "open loop" method is rather chosen. However, some kind of chaotical bifurcation processes have been observed while using this method. A presented complementary study allow us to verify that they do not imply devices (physical) instability. A next part is dedicated to monolithic circuits design. Following some general considerations about the applied technology, a general design methodology and its direct application to the design of several frequency dividers are reported. Two of these circuits have been integrated The second one is based on a topology which makes use of a cold transistor as main element and features almost 30 % bandwidth. Experimental results are thus compared to the simulation and to previously published results. Eventually, a last part is dedicated to the phase noise in frequency dividers.
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https://tel.archives-ouvertes.fr/tel-00010077
Contributor : Emilie Marchand <>
Submitted on : Thursday, September 8, 2005 - 3:27:08 PM
Last modification on : Friday, January 10, 2020 - 9:08:09 PM
Long-term archiving on: : Tuesday, September 7, 2010 - 5:29:18 PM

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  • HAL Id : tel-00010077, version 1

Citation

Simon Desgrez. Conception de diviseurs de fréquence analogiques réalisés en technologie monolithique à base de transistors pseudomorphiques à haute mobilité électronique. Micro et nanotechnologies/Microélectronique. Université Paul Sabatier - Toulouse III, 1997. Français. ⟨tel-00010077⟩

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