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As system integration in wireless portable electronic devices has increased significantly, the analysis of electromagnetic compatibility (EMC) has become important to prevent the malfunction of integrated circuits (ICs). To evaluate the radiative immunity of an integrated circuit, we employ the IEC-standardized IC stripline method. In this paper, we provide an electromagnetic immunity analysis of...
Voltage controlled oscillators (VCOs) are one of the most sensitive circuit block to electromagnetic noise. The phase noise of VCOs depends on the time when the noise is injected, so it has time-variant nature to electromagnetic interference (EMI). In this paper, we apply the phase noise theory in analyzing the electromagnetic susceptibility (EMS) of phase noise in VCOs in presence of noise in power...
A 45 GHz millimeter-wave (MMW) VCO adopting digitally switchable metal-oxide-metal (MOM) capacitors as the tuning element is described in this work. The MOM capacitor is designed to have discrete capacitance values in order to extend frequency tuning range. The MMW VCO with the switchable MOM capacitor demonstrates an operation frequency ranging from 43.5 to 45.5 GHz. The measured phase noise at 3...
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