Title :
Shielding effectiveness diagnostics using a network analyzer
Author :
Cromarty, Brian J. ; Paknys, Robert
Author_Institution :
Thomson Consumer Electron., Indianapolis, IN, USA
Abstract :
Shielding effectiveness measurements in an anechoic chamber are often too time consuming and expensive to be performed on most product enclosures. A method is proposed to estimate and improve the shielding effectiveness of a metal enclosure that contains no RF absorbing materials, in "real time," on a benchtop, using only a scalar network analyzer. This method uses the input power and the reflection coefficient of the source to estimate the transmission coefficient and the total radiated power
Keywords :
anechoic chambers (electromagnetic); electric impedance measurement; electromagnetic compatibility; electromagnetic interference; electromagnetic shielding; network analysers; EMC; anechoic chamber; input impedance measurement; input power; product enclosures; radiated power transmission coefficient estimation; reflection coefficient; scalar network analyzer; shielding effectiveness measurements; Anechoic chambers; Cables; Conducting materials; Consumer electronics; Electromagnetic compatibility; Equations; Performance evaluation; Power engineering and energy; Radio frequency; Time measurement;
Conference_Titel :
Electromagnetic Compatibility, 2001. EMC. 2001 IEEE International Symposium on
Conference_Location :
Montreal, Que.
Print_ISBN :
0-7803-6569-0
DOI :
10.1109/ISEMC.2001.950461
