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Re: Testing a monolitic band filter (3 pins)


 

Connect with a small coupling cap?!?
Dg9bfc sigi

Am 20.05.2022 21:03 schrieb Gerard <kabupos@...>:




Hello,

I¡¯ll start with one simple thing? (see picture)
Take the features of? only one of? the 45M15A 2-pole filter
How to have this measurement at -3DB

If I cascade 2 filters, the 2nd cannot amplify the loss of the first????

My two questions are:
How to have a maximum loss of 3 db using a single filter?? Sch¨¦matic?

What is the method to pair 2 filters 2 poles to have one of 4 poles.?
please put a specific example.

Thank's








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