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Photovoltaic panel characterisation finds extensive use in output prediction, efficiency estimation and defect detection in photovoltaic (PV) industry. Out of the various characterisation methods available, the use of switched mode power converters is one of the most attractive solutions, owing to high speed, low power loss and additional maximum power point tracking ability. Duty ratio variation...
If mesh-node analysis lends itself well to solving transfer functions of electrical circuits, obtaining a meaningful symbolic formula at once is often impossible and requires extra efforts to get it. Applying classical analysis techniques to obtain a so-called low-entropy expression-implying the factored form in which you distinguish gains, poles, and zeros-can often lead to algebraic paralysis, as...
In this paper, we present new systematic method for the design of an analog PID controller, applied to the voltage-mode step-down (buck) DC/DC converters. The method relies on the specification of trajectory of the load transient response. Particularly, we are interested to design a controller limiting the voltage under/overshoot to its lowest possible value. It is shown that this lowest possible...
A high intercept points, cost-effective, and power-efficient switching FET double balanced mixer (DBM) is reported. The Switching FET DBM demonstrated in this work offers input intercept points (IIP3) and conversion loss typically 44 dBm and 8.5 dB respectively with 15 dBm LO power for the frequency band (RF: 900-2150 MHz, LO: 850-1950 MHz, IF: 50-200 MHz). The measured interport isolation is typically...
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