Abstract: A programmable logic controller (PLC) system is provided. The programmable logic controller (PLC) system divides a memory region into a plurality of regions according to a function, and reads or transmits data from or to the divided regions according to an operation mode to be performed, wherein the plurality of regions obtained through division includes: a first storage region storing log data on the PLC system; and a second storage region storing a hyper text markup language (HTML) file.
Abstract: A method of designing a circuit with a field effect transistor (FET) for operation with a large signal. The method comprises the steps of expressing the FET with a two-terminal nonlinear circuit model having a source and a drain, such that a gate terminal thereof is open in at least a frequency band used thereby, and calculating behaviors of the circuit in operation with a large signal represented by a large amplitude of an input voltage, based on the two-terminal nonlinear circuit model.
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