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EnglishA new technique is developed for determining analytically a millimeter-wave small-signal equivalent-circuit model of GaAs pseudomorphic HEMTs from scattering parameter measurements. In order to obtain a good agreement between model simulations and measurements up to 90 GHz, the conventional intrinsic output conductance is substituted by a voltage-controlled current source with a time delay. Consequently, a simple and accurate extraction procedure is proposed for taking into account the introduction of the output conductance time delay.
| Titolo: | A NEW MILLIMETER WAVE SMALL-SIGNAL MODEL FOR pHEMT DEVICES ACCOUNTING FOR THE OUTPUT CONDUCTANCE TIME DELAY |
| Autori: | |
| Data di pubblicazione: | 2008 |
| Rivista: | |
| Abstract: | A new technique is developed for determining analytically a millimeter-wave small-signal equivalent-circuit model of GaAs pseudomorphic HEMTs from scattering parameter measurements. In order to obtain a good agreement between model simulations and measurements up to 90 GHz, the conventional intrinsic output conductance is substituted by a voltage-controlled current source with a time delay. Consequently, a simple and accurate extraction procedure is proposed for taking into account the introduction of the output conductance time delay. |
| Handle: | http://hdl.handle.net/11570/810 |
| Appare nelle tipologie: | 14.a.1 Articolo su rivista |
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