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Multibias scalable HEMT small-signal modeling based on a hybrid direct extraction/particle swarm optimization approach

: Campos-Roca, Y.; Massler, H.; Leuther, A.


Microelectronics journal 43 (2012), No.8, pp.562-568
ISSN: 0026-2692
ISSN: 0959-8324
Journal Article
Fraunhofer IAF ()
metamorphic high electron mobility transistor (mHEMT); particle swarm optimization (PSO); pseudomorphic high electron mobility transistor (PHEMT); scalability; small-signal modeling

A new multibias HEMT small-signal model extraction method is proposed. The approach, based on scaling rules, combines direct extraction techniques and a particle swarm optimization algorithm. This method has been successfully tested with PHEMTs and MHEMTs, leading to accurate and scalable models up to 70 and 120 GHz, respectively.