This application note describes a closed loop, computer- controlled, variable attenuator for the control of output power from a tunable laser. It is based on the combination of a 1/2 wave-plate and a ...
The LMH6521 device contains two high performance, digitally controlled variable gain amplifiers (DVGA). Both channels of LMH6521 have an independent, digitally controlled attenuator followed by a high ...
Just over a decade ago, an article titled, "Advanced Control Strategies Move into the Field" (Control, October 2008), highlighted three evolving trends in the process control world that would "make ...
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