Pedro Fonseca da Mota

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A simple method was developed for DNA extraction of Mycobacterium bovis in milk and further detection of the bacterium by polymerase chain reaction (PCR). Milk previously seeded with M. bovis was used as the starting material. The procedure involved overnight digestion of a milk sample with proteinase K at 56 degrees C and phenol extraction, followed by(More)
The estimation of 1 dB compression and third-order intercept points can be obtained after the cross-correlation between dynamic current and output voltage of radio frequency power amplifiers. Estimation is performed using power measures and not power inferred from voltage measures. The underlining theory and a correlator that allows implementing this(More)
The estimation of 1 dB compression and third-order intercept points can be obtained after the cross-correlation between dynamic current and output voltage of radio frequency power amplifiers. This estimation is performed using actual power measurements and not power inferred from voltage values. The underlining theory and a correlator that allows(More)
Different built-in self testing schemes for RF circuits have been developed resorting to peak voltage detectors. These are simple to implement but provide a conditional RF power measurement accuracy as impedance is assumed to be known. A true power detector is presented which allows obtaining more accurate measurements, namely as far as output load(More)
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