Title :
Analysis and suppression of self-jamming issue in mobile equipments by using APD measurement
Author :
Kazama, Satoshi ; Tsutagaya, Hiroshi
Author_Institution :
EMC Center, Taiyo Yuden Co., Ltd., Takasaki, Japan
Abstract :
Self-jamming issue in a mobile phone is problematical recently. Noise evaluation by using APD is very useful to analysis this issue. We describe countermeasure example of a self-jamming issue occurred between a DC-DC converter and a Japanese digital TV service (One-seg TV) in a Japanese mobile phone handset. This example shows that the noise measurement by APD and the near-filed APD mapping system are useful to countermeasure Self-jamming issues in mobile phones.
Keywords :
DC-DC power convertors; digital television; jamming; mobile handsets; statistical distributions; APD measurement; DC-DC converter; Japanese digital TV service; Japanese mobile phone handset; amplitude probability distribution; mobile equipments; noise evaluation; self-jamming issue; DC-DC power converters; Electromagnetic compatibility; Instruments; Jamming; Mobile handsets; Noise level; Noise measurement; Probability distribution; TV; Time measurement;
Conference_Titel :
Electromagnetic Compatibility (APEMC), 2010 Asia-Pacific Symposium on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-5621-5
DOI :
10.1109/APEMC.2010.5475882
