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EZ81 rörlikrikar fråga 
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Mrcool

Joined: 09 Jan 2008, 22:05
Posts: 956
Location: Luleå
Post EZ81 rörlikrikar fråga
Varför lägger man ena sidan av glöden på den likriktade spänningen ?

se schemat: http://hem.passagen.se/lako63/images/SCHEMA/614b.jpg

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03 Sep 2011, 21:02
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Conviction

Joined: 28 Dec 2007, 14:53
Posts: 490
Post Re: EZ81 rörlikrikar fråga
Hmm, det är väl ändå centertappen?! Och så ligger det ju en konding mellan B+ och jord. Kanske något gammalt virtuell jord-trick.

--Olle
04 Sep 2011, 13:21
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Mrcool

Joined: 09 Jan 2008, 22:05
Posts: 956
Location: Luleå
Post Re: EZ81 rörlikrikar fråga
Fick ett svar på AX84.com
" It is to reduce the stress on the heater-cathode insulation. Common practice for rectifiers with isolated heaters. "

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05 Sep 2011, 11:49
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Conviction

Joined: 28 Dec 2007, 14:53
Posts: 490
Post Re: EZ81 rörlikrikar fråga
... Nu upptäckte jag vad du menade. Missade punkten vid EZ81:an.
05 Sep 2011, 11:55
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