How to generate DC voltage from the received RF signal?

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danda821

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RF to DC generator

I am wondering if there is any efficent way to generate DC voltage from the received RF signal. Thanks.
 

Re: RF to DC generator

I think select the strongest station, rectify it and filter the DC component. Maybe try something like a charge pump with parallel such circuits to get more power.
 

Re: RF to DC generator

but you need the DC to make what ????
to power something or to mesure de power in RF ????????
 

Re: RF to DC generator

I know this circuit. It works. But the efficiecy is very low, around 10-15%, it depends on the received RF frequency ( the higher the worse).
 

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