The statistics of noise induced in terminal loads of a twisted-wire pair running above ground and illuminated by a random plane-wave spectrum is investigated. Particularly, a previous prediction model is extended to the practically relevant case of non-ideal loads affected by imbalance, which leads to the conversion of common-mode into differential-mode (DM) noise. The model is based on a plane-wave integral representation of the field in an ideal reverberation chamber. The statistical distribution of DM-noise voltages induced in terminal loads is derived in closed form and validated versus numerical simulations. It is shown that load imbalance severely increases noise levels in a specified low-frequency range.
Influence of load imbalance on noise induced in a twisted-wire pair illuminated by a random plane-wave spectrum
SPADACINI, GIORDANO;GRASSI, FLAVIA;PIGNARI, SERGIO AMEDEO
2014-01-01
Abstract
The statistics of noise induced in terminal loads of a twisted-wire pair running above ground and illuminated by a random plane-wave spectrum is investigated. Particularly, a previous prediction model is extended to the practically relevant case of non-ideal loads affected by imbalance, which leads to the conversion of common-mode into differential-mode (DM) noise. The model is based on a plane-wave integral representation of the field in an ideal reverberation chamber. The statistical distribution of DM-noise voltages induced in terminal loads is derived in closed form and validated versus numerical simulations. It is shown that load imbalance severely increases noise levels in a specified low-frequency range.File | Dimensione | Formato | |
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