Behaviors of Negative Resistances and Its Influences on VCO Design

Yao-Huang KAO  Tzung-Hsiung WU  

IEICE TRANSACTIONS on Electronics   Vol.E84-C   No.2   pp.243-248
Publication Date: 2001/02/01
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Microwaves, Millimeter-Waves
oscillator,  VCO,  wideband,  negative resistance,  

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The features of the negative resistance in common source and common gate FET configurations for wideband VCO are studied. They are also explained by the simplified three-capacitor model. A design procedure is then developed. The results are applied to a design of wide band oscillator at the several gigahertz region.