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This paper studies the common mode impedance of DC-DC converter in an embedded network. The frequency range of interest starts from few Hz up to tens of MHz. The low frequencies may be helpful for network studies (leakage currents, stability investigation …), whereas high frequencies are dedicated to EMC analysis. Online (i.e. with working converter) and offline (no switching) impedances will be compared,...
Since the 1980-ties, the asymmetric mains impedances have been defined by IEC CISPR 16–1–2 [1] and used in an artificial mains network (AMN) suited in the frequency range (10) 150 kHz to 30 MHz. The mains impedance has recently been extended by the definition of asymmetric or common-mode artificial networks (AAN) and coupling/ decoupling networks (CDN) which are defined to be used in the frequency...
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