Title :
Accurate Extraction of Noise Source Impedance of an SMPS Under Operating Conditions
Author :
Tarateeraseth, Vuttipon ; Hu, Bo ; See, Kye Yak ; Canavero, Flavio G.
Author_Institution :
Dipt. di Elettron., Politec. di Torino, Torino, Italy
Abstract :
An accurate measurement method to extract the common mode (CM) and the differential mode (DM) noise source impedances of a switched-mode power supply (SMPS) under its operating condition is developed and validated. With a proper premeasurement calibration process, the proposed method allows extraction of both the CM and the DM noise source impedances with very good accuracy. These noise source impedances come in handy to design an electromagnetic interference filter for an SMPS systematically with minimum hassle.
Keywords :
calibration; electromagnetic interference; switched mode power supplies; SMPS; common mode noise source impedance; differential mode noise source impedance; electromagnetic interference filter; premeasurement calibration process; switched-mode power supply; Common mode (CM); EMI filter; differential mode (DM); electromagnetic interference (EMI); noise source impedance; switched-mode power supply (SMPS);
Journal_Title :
Power Electronics, IEEE Transactions on
DOI :
10.1109/TPEL.2009.2024675
