Nonlinear interference and distortions have a profound impact on wireless communication system operation, especially under conditions of severe electromagnetic environment (overcrowded spectrum, strong interfering signals, multipath and multi-signal environment etc.). In this paper, we propose a new behavioral-level simulation technique – the "instantaneous" quadrature technique, which can be e...

In this paper, a novel CMOS Operational Amplifier input stage which is robust to high power electromagnetic interference (EMI) without any significant penalty in baseband performance is presented and its operation principle is discussed. An opamp which includes the new input stage is proposed and it is compared in terms of immunity to EMI with a standard opamp circuit on the basis of computer s...

As structural materials, cement-matrix composites have received much attention in terms of their mechanical properties, but relatively little attention in terms of their electrical conduction properties. Nevertheless, the electrical properties are relevant to the use of the structural materials for non-structural purposes such as sensing and electromagnetic interference (EMI) shielding. The abi...

An ECG signal is basically an index of the functionality of the heart. For example, a physician can detect arrhythmia by studying abnormalities in the ECG signal. Since very fine features present in an ECG signal may convey important information, it is important to have the signal as clean as possible. Power line interference may be significant in electrocardiography. Often, a proper recording ...

The emission spectrum of digital hardware under the influence of external electromagnetic interference is shown to contain information about the interaction of the incident energy with the digital circuits in the system. The generation mechanism of the re-emission spectrum is reviewed, describing how nonlinear effects may be a precursor to the failure of the equipment under test. Measurements o...

In this paper a high resistant EMI interference CMOS operational amplifier has been designed and simulated. It is designed by implementing easy modification of the differential pair with active current load. The power amplifier seems to be leading the output voltage power with respect to the input supply given, the two stage power amplifier was designed in this current technology and results ar...

Free space optics (FSO) is a technology that uses modulated optical beams to transmit information line-of-sight through the atmosphere. To date, the primary focus of FSO research and development has been toward the transmission of digital signals, primarily for “last mile” applications. This paper reports the use of FSO to transport modulated radio frequency (RF) analog signals, together with a...

− This paper deals with the susceptibility to electromagnetic interference of CMOS integrated current sensors for power transistor current monitoring. Conventional integrated solution are first considered, hence a new integrated current sensor based on the Hall effect in a split-drain MOS transistors (MagFET) is proposed. The susceptibility to radio frequency interference of a conventional (wir...

Even with the development of more advanced technology of ECG, there are still problems on interference to ECG signals. Many attempts have been made to detect and eliminate the source of noises and artifacts from the original ECG signals. Several studies have been done to observe and study the EMI effect, however, most of them only focus on the EMI effect of mobile phone during ECG acquisition. ...

— pin-level fault injection, heavy-ion radiation, and electromagnetic interference (EMI) — and their use in the validation of MARS, a faulttolerant distributed real-time system. The objectives of this study are: (i) to validate the fault-tolerance features of the MARS system, and (ii) to gain a better understanding of the features and impact of the three fault injection techniques. Coverage mea...