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Conductive noise from vehicle equipments which contain inverter circuits has been increased by the demand of higher switching operation of power devices in order to improve the power efficiency. On the other hand, since the vehicle equipments are required to minimize the volume, the noise filters should be built-in the housing of inverter circuits. In this case, it is necessary that the conductive...
Resonances in power distribution network are the major cause of voltage fluctuation and noise problems. In this paper, a new method that suppresses impedance peak is proposed. The proposed method uses a high series resistance (HSR) capacitor in parallel to regular bypass capacitors. By selecting the parameters so that the series resonance frequency of the HSR capacitor equals to the anti-resonance...
Several methods have been proposed for the calibration of an electrically small circular loop antenna in the MF and HF bands. They are the ‘standard field method,’ ‘three-antenna method,’ ‘impedance method,’ and so on. In this paper, the advantages and disadvantages of each method are discussed.
The electrical harness is an essential part of all the spacecraft. The prime contractors of spacecraft are especially active in efforts to optimize harness size and mass. The shielding of the harness for Electromagnetic Interference (EMI) control is an important element in this optimization, because cable shields and especially connector backshells have a significant mass impact. We present results...
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