|To:||"RSGB LF Group" <[email protected]>, [email protected]|
|Subject:||LF: Big PA|
|From:||"Tom Boucher" <[email protected]>|
|Date:||Wed, 23 May 2001 13:08:22 +0100|
Andy 'JNT Could you give me info on the little pot-core you use for your drivertransformer in your PA? Material, turns?
I used a Farnell 559-570 ferrite sleeve, intended for EMC suppression, no info on material, 16 turns on primary (1.1 mH) and 29 turns quadrifilar on the secondary. The TC-4426 driving it got rather hot so I ac coupled it with a 0.33 mFd which seemed to improve things a little. Thanks, Tom G3OLB
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