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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+RE\:\s+TDA2030\s+amplifier\s+by\s+OM2TW\s*$/: 1 ]

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1. LF: RE: TDA2030 amplifier by OM2TW (score: 1)
Author: "Gasparik Richard" <[email protected]>
Date: Thu, 22 Jan 2004 08:24:41 +0100
Hi Dick, L3/L4 is a step up transformer. Normaly the TDA 2030 have 4-8 Ohm output impedance. You must look for an toroid with very high permeability (2000 and more) and make an L3:L4 = 1:3 transforme
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-01/msg00153.html (10,102 bytes)

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