Investigation of Interference in a Mobile Phone from a DC-to-DC Converter
Turning on the LCD screen of a mobile phone causes desensitization of its receiver in the GSM lower frequency band (900 MHz). In this paper, the measurement techniques used for the investigation of intra-system interference in a mobile phone caused due to the DC-DC converters present on-chip the LCD driver IC are presented. An equivalent noise source model is created by modelling the flexible printed circuit board traces and obtaining a Thevenin equivalent noise by changing the load conditions.
S. Shinde et al., "Investigation of Interference in a Mobile Phone from a DC-to-DC Converter," Proceedings of the 2013 IEEE International Symposium on Electromagnetic Compatibility (2013, Denver, CO), pp. 616-620, Institute of Electrical and Electronics Engineers (IEEE), Aug 2013.
The definitive version is available at http://dx.doi.org/10.1109/ISEMC.2013.6670485
2013 IEEE International Symposium on Electromagnetic Compatibility (2013: Aug. 5-9, Denver, CO)
Electrical and Computer Engineering
Electromagnetic Compatibility (EMC) Laboratory
Keywords and Phrases
DC-to-DC Converters; Flexible Printed Circuit Boards; LCD Drivers; Load Condition; Lower Frequencies; Measurement Techniques; Noise Source Models; Thevenin Equivalent; DC-DC Converters; Electromagnetic Compatibility; Frequency Bands; Liquid Crystal Displays; Mobile Phones; Cellular Telephones
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Article - Conference proceedings
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