Title :
Contactless electromagnetic field mapping system on planar circuits in EMC/EMI investigations
Author :
Noda, Y. ; Takamori, H. ; Kamiji, Y. ; Chen, C.P. ; Anada, T. ; Thomas, D.W.P. ; Christopoulos, C.
Author_Institution :
Dept. of Electron. & Inf. Eng., Kanagawa Univ., Yokohama, Japan
Abstract :
A contactless EM field mapping system on microwave planar circuits in the ultra-wideband (UWB) 1 to 12 GHz has been successfully established for the EMC/EMI problem. By using a small coaxial and loop-type probes, 2D field distributions in UWB-BPF are measured. The upper limit of the operating frequency and the spatial resolution for the measurement system will be clarified. Electromagnetic near field distributions above UWB bandpass filter were measured to validate the effectiveness of probes. In addition, the application of this system was extendedly studied to experimentally determine the effective dielectric constant in the microstrip, coplanar waveguide and slotted line.
Keywords :
UHF filters; band-pass filters; coplanar waveguides; electric noise measurement; electromagnetic compatibility; electromagnetic interference; microstrip circuits; microwave filters; permittivity; 2D field distribution; EMC-EMI investigations; UWB bandpass filter; coaxial probe; contactless electromagnetic field mapping system; coplanar waveguide; dielectric constant; electromagnetic near field distributions; frequency 1 GHz to 12 GHz; loop type probe; microstrip; microwave planar circuits; operating frequency; slotted line; spatial resolution; Band pass filters; Electromagnetic compatibility; Magnetic field measurement; Magnetic fields; Microstrip; Microwave filters; Probes; UWB; bandpass filter; coaxial probe; electromagnetic field measurement system; field-mapping; loop anntena;
Conference_Titel :
EMC Europe 2011 York
Conference_Location :
York
Print_ISBN :
978-1-4577-1709-3
