Stability of Terminated Two Port Networks

Yoshihiro MIWA  

IEICE TRANSACTIONS on Electronics   Vol.E79-C   No.8   pp.1171-1176
Publication Date: 1996/08/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Electronic Circuits
stability condition,  S parameters,  active two port network,  microwave amplifier,  

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The purpose of this letter is to investigate the stability of the active two port networks having some restrictions on load and source terminations, and the stability conditions having two inequalities have been obtained. As the terminations making the active two port networks stable can be obtained from these inequalities, these stability conditions are very useful for designing high frequency amplifiers, especially, tuned amplifiers.