A linear active dipole array loaded with negative resistance devices
Resource
Antennas and Propagation Society International Symposium, 1993. AP-S. Digest
Journal
Antennas and Propagation Society International Symposium, 1993. AP-S
Pages
-
Date Issued
1993-07
Date
1993-07
Author(s)
Huang, Chien-Chang
DOI
N/A
Abstract
An approach based on the moment method and stability analysis is presented to simulate a linear active array under injection locking. In the modelling, linear dipole antennas and two terminal negative resistance active devices (e.g., a Gunn diode) are considered. First, each dipole antenna is treated as an equivalent circuit using the method of moments. A nonlinear circuit equation is then constructed to include the injection-locked oscillator. Stability criteria are derived to study the stability properties of the injection-locked dipole antenna. Numerical examples show the array radiation field intensity and locking range under different injection wave strengths. Simulation results indicate that variation of active device parameters may reduce the locking range slightly, but the radiation pattern is almost unchanged.>
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Type
journal article
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