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Mimimum delivery power for GPS

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Ata_sa16

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Hi all,

I want to know what is the power should be delivered to GPS antenna.

I want to design a PA which is used in GPS transceiver. Therefore, I want to know what is Pout ??? (dbm)

Thank you all.
 

GPS transceiver? GPS transmitters are expected on GPS satellites only. What are you talking about?
 

Thank you.

Imagine that. You have a system which receives GPS signal. And it is lost. You want to find it ! How does this system works? It receives cordinationw from satelite but it has to send it somewhere !
 
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Hi,

Did you read through the wikipedia pages?

GPS is receiving only. And it works with a couple of satellites at the same time.
Because you mive and because the satellites moves it is quite normal that it looses the signal from one satellite, but there are other satellites giving the position information.

The GPS receiver does not "send" any RF signal. It just calculates the position and transmits the position data to the host..often via (wired) UART to a microcontroller.

Klaus
 

Position reporting is no GPS function, it has to use a different radio channel. For land-based systems, it's usually GSM mobile phone, for air plane and marine emergency alarms, there are different global systems using 1.6 GHz or 406 MHz radio beacons.
 

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