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How to modify balanced SAW filters and related matching circuits to single ended one

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crenyen

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Hi All
I am designing my WiMAX products.
There are 2 balanced SAW filters used in my design.
For some reasons, I need to measeure the frequency response of this filter and matching.

Unfortunately, I only have two ports Vector Network Analyzer which are not able of measuring the frequency response with 4 ports.
Can anyone tell me how to modify this balanced SAW filters and related matching circuits to single ended one?

Thanks
BR

Added after 32 minutes:

Here is my present SAW Filter circuit.
 

Re: SAW filter measure

This is just a guess but it sounds like your filters may have balanced inputs and outputs. You may find that baluns on the input and output pairs are what you need to convert to single ended lines and then you may go on with your measurements.

I hope this helps.
 

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