Numerical and experimental analysis of nonradiative dielectric guide modulator and mixer at Ka band

Date
2004
Authors
Pathak, N P
Basu, A
Koul, S K
Bhat, B
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Abstract
This letter describes the numerical analysis of an on/off modulator and a single-ended mixer in nonradiative dielectric (NRD) guide configuration at Ka band. Currently, only experimental results are available for such structures. A shunt mounted diode switch in NRD guide configuration is analyzed using the finite element method (FEM) in conjunction with linear circuit simulation. A novel mixer is similarly analyzed using FEM and harmonic balance analysis. The results obtained from numerical analysis are compared with measured results. It is demonstrated that some counter-intuitive experimental results can be explained through numerical analysis.
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Keywords
Finite element method (FEM), hybrid system analysis techniques, mixer, nonradiative dielectric (NRD) guide, on-off modulator, Schottky barrier diode
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