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Old 8th August 2007, 06:39 AM   #1
arhi45 is offline arhi45  Romania
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Join Date: Jul 2003
Location: Orleans France
Default Pentode filter

hello all

I'm looking for a thread that I saw here (I think), about how to use a pentode to replace a choke coil in a filtering cellule. I can`t remember where I saw it and I can`t find it anywhere here or on Google.
Could anybody help me please?
Thank you
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Old 8th August 2007, 10:50 AM   #2
arhi45 is offline arhi45  Romania
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Join Date: Jul 2003
Location: Orleans France
OK, found, If sbdy interested, here:

http://www.tubecad.com/2007/01/blog0095.htm
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