Electrothermal modeling and measurement for spatial power combining at millimeter wavelengths

Authors
Batty, W Panks, AJ Johnson, RG Snowden, CM
Citation
W. Batty et al., Electrothermal modeling and measurement for spatial power combining at millimeter wavelengths, IEEE MICR T, 47(12), 1999, pp. 2574-2585
Citations number
28
Categorie Soggetti
Eletrical & Eletronics Engineeing
Journal title
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
ISSN journal
00189480 → ACNP
Volume
47
Issue
12
Year of publication
1999
Pages
2574 - 2585
Database
ISI
SICI code
0018-9480(199912)47:12<2574:EMAMFS>2.0.ZU;2-2
Abstract
In this paper, the first completely physical coupled electrothermal model, suitable for large-signal simulation of MESFET- and HEMT-based MMIC's and M MIC arrays, on a timescale suitable for computer-aided design, is presented . The model is validated experimentally by high-resolution thermal imaging of a MMIC 38-GHz three-stage balanced amplifier, mounted on a CU/FR-4 subst rate and cooled entirely by natural convection and radiation into free spac e.