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| Re: How to improve IMD performance of isolator - RF Cafe Forums | ||||||
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Because of the high maintenance needed to monitor and filter spammers from the RF Cafe Forums, I decided that it would
be best to just archive the pages to make all the good information posted in the past available for review. It is unfortunate
that the scumbags of the world ruin an otherwise useful venue for people wanting to exchanged useful ideas and views.
It seems that the more formal social media like Facebook pretty much dominate this kind of venue anymore anyway, so if
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Below are all of the forum threads, including all the responses to the original posts. gangsway Post subject: How to improve IMD performance of isolatorPosted: Mon Aug 31, 2009 5:21 am Captain Joined: Tue Nov 11, 2008 5:03 am Posts: 11 Location: Shanghai, China I am trying to improve the IMD performance of an old design isolator, band is 859to 904MHz, the outline dimension is typical 1inch housing. I chose ferrite G113 with dia=22mm and thickness=1mm. Appreciate your help? _________________ glad to learn from you Top IR Post subject: Re: How to improve IMD performance of isolator Posted: Mon Sep 07, 2009 1:58 pm Site Admin Joined: Mon Jun 27, 2005 2:02 pm Posts: 373 Location: Germany Hello gangsway, The reasons for IMD degradation in isolators are mainly due: 1. Unsuitable contact geometry. 2. Use of magnetic materials (e.g. Nickel) in the conducting direction (signal flow direction). 3. Contact contamination or oxidation. I found this article which can be useful for you: http://www.m2global.com/cbu/documents/I ... ropIns.pdf Top gangsway Post subject: Re: How to improve IMD performance of isolatorPosted: Tue Sep 22, 2009 11:21 am Captain Joined: Tue Nov 11, 2008 5:03 am Posts: 11 Location: Shanghai, China Hi IR, thanks for the linked articles. Appreciate more isolator circulator design relevant article from you. many thanks. _________________ glad to learn from you Posted 11/12/2012 | ||||||
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