An Equation-Based Hybrid Method for Predicting Radiated Susceptibility Responses of RF/Microwave Circuits

An equation-based hybrid method combining field equations with circuit solver is proposed for characterizing the radiated susceptibility problems associated with the RF/microwave circuits, which are illuminated by a uniform plane incident wave. First, the analytical expressions for equivalent voltag...

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Bibliographic Details
Published in:IEEE transactions on electromagnetic compatibility 2011-05, Vol.53 (2), p.339-348
Main Authors: HSIEH, Han-Chang, CHIU, Cheng-Nan, LIN, Ming-Shing, WANG, Chi-Hsueh, CHEN, Chun Hsiung
Format: Article
Language:English
Subjects:
Analog circuits
Applied sciences
Circuit properties
Circuits
Computer simulation
Digital circuits
Electric, optical and optoelectronic circuits
Electronic circuits
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Equivalence
Exact sciences and technology
Field-circuitry coupling
Integrated circuit modeling
Mathematical analysis
Mathematical models
Microstrip
microstrip interconnect
Microwave circuits
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwave measurements
Microwave transistors
quadrature phase-shift keying (QPSK) modulated amplifier
radiated susceptibility
Radio frequencies
Radio frequency
radio-frequency (RF)/microwave circuit
Solvers
Studies
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Summary:An equation-based hybrid method combining field equations with circuit solver is proposed for characterizing the radiated susceptibility problems associated with the RF/microwave circuits, which are illuminated by a uniform plane incident wave. First, the analytical expressions for equivalent voltage and current sources are developed for discussing the global effect of the incident plane wave on the associated microstrip line elements. Then, by incorporating these field-induced equivalent source expressions into a commercial circuit solver, one may establish a fast model for analyzing the RF/microwave circuits with active and passive components. In this paper, the proposed model is used to characterize the microstrip circuits, such as the cross bend and RF amplifiers. The proposed model is also validated by comparing the results from both simulation and measurement and good agreement between them is observed. With the merit of short simulation time, the proposed fast model would be very efficient in discussing the radiated susceptibility problems associated with the analog/digital modulated circuits.
ISSN:0018-9375
1558-187X
DOI:10.1109/TEMC.2010.2095858