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We have so many different technological advances that we can take advantage of towards our own benefit so why not fully utilize them? We need to know exactly what we aim to achieve before we put together one or two different technologies to create an end product that is extraordinary. We save resources on experimenting new methods while producing greater results for our future.
A transimpedance amplifier (TIA), which takes the current from a photodiode and converts it into a usable voltage with low output impedance, can provide effective gain for a photodiode signal.
The op amp-based current sensing circuit described here is not new, it has been around for some time, but with very little discussion of the circuit itself. Somewhere along the line it was informally given the name: "Current Drive" circuit, so we'll call it that for now.
EnOcean has enabled millions of wireless light switches that do not contain batteries and has now introduced the “Battery-free by EnOcean” seal to highlight the self-powered switches’ benefits at a glance.
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