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Dear all,
what is the most power efficient way to choose between two power sources?
To be more precise, I have a solar powered circuit with a dc regulated output and a rechargable battery, and want to be able to automatically select the best of those two upon voltage level conditions...
voltage multiplying
Hi all!
I need a circuit for a wireless receiver (@433MHz) front end that will use the (very low) RF power from the transmitter to produce (at its O/P) a voltage high enough to raise an µP interrupt. The circuit should ideally draw no power, i.e. no use of amplifiers etc...
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