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Comparing the Performance of MMIC Matrix and Distributed Amplifiers
Emad HAMIDI Mahmoud MOHAMMAD-TAHERI
IEICE TRANSACTIONS on Electronics
Publication Date: 2007/10/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Microwaves, Millimeter-Waves
distributed amplifier, matrix distributed amplifier, scattering parameters,
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A comparison is made between the performance of the MMIC matrix and distributed amplifiers. It has been shown that based on the analytical formulations, in most typical cases a cascaded dual stage distributed amplifier has more gain than that of a two-tier matrix amplifier with the same number of transistors; however the difference is not significant. Results of the analytical approach are then compared with the simulated and the measured results and a good agreement between the results has been obtained. Then other scattering parameters of the matrix and distributed amplifiers have been compared.