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3g UMTS Max Input Signal Level - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues. Original posts:

Amateur Radio | Antennas | Circuits & Components | Systems | Test & Measurement


rfengineer
Post subject: 3g UMTS max input signal level
Unread postPosted: Tue Sep 28, 2004 3:30 pm

I am trying to design a 3G (W-CDMA LNA) MobileUnit. I need to find out the p1dB at the input to deisgn the circuit properly. Does anyone know the exact maximum signal in the receive path?

Thanks


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Guest
Post subject:
Unread postPosted: Tue Sep 28, 2004 3:50 pm

You might try looking at transceiver ICs from Skyworks, RF Micro Devices, Renesas, etc., to see what their specs are. That should get you in the ballpark. Otherwise, you can get the 3G test spec and derive the value from it.

http://www.3gpp.org/specs/numbering.htm


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rfengineer
Post subject:
Unread postPosted: Tue Sep 28, 2004 6:41 pm

I have TG25.101 specification. Section 7.4 in that is very vague and I don't understand it. I do all else! Thanks



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