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Noise Figure of a SAW Filter - 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


Michael
Post subject: Noise Figure of a SAW Filter Posted: Fri Oct 14, 2005 11:51 am
Good day. I was given a receiver design that uses two SAW filters from Sawtek (856327 and 854656). I need to do a noise figure analysis for the receiver and I am a little confused about how to handle these filters.

I have contacted Sawtek and they were not able to provide me with any data. Also I do not have access to these devices so I cannot measure them.

Does anyone have any suggestions about where to find information about this (website, book, magazine article, etc.) ?

I am using Microwave Office for the simulation.

Thank you for your time and help.

Michael


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SAWster
Post subject: Posted: Fri Oct 14, 2005 1:12 pm
The NF is basically equal to the insertion loss at any given frequency, but it must be measured at the input/output impedance used with the SAW device.



Posted  11/12/2012

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