Publisher : The Institute of Electronics Engineers of Korea
DOI : 10.5573/JSTS.2015.15.5.455
Title & Authors
EMI Issues in Pseudo-Differential Signaling for SDRAM Interface Jang, Young-Jae; Yi, Il-Min; Kim, Byungsub; Sim, Jae-Yoon; Park, Hong-June;
H-field EMI measurements have been performed for the single-ended, the differential, and the pseudo-differential signaling on a 11" FR4 microstrip line. The pseudo-differential signaling reduces EMI by more than 10 dB compared to the single-ended signaling if the delay mismatch is lower than 5% of a period for a 3 GHz clock signal. Empirical H-field equations for both differential and single-ended signaling showed fair agreements with measurements.
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