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Re: [Amps] zero-voltage triac power supply

To: avilaseca@bluewin.ch, AMPS@contesting.com
Subject: Re: [Amps] zero-voltage triac power supply
From: Radio WC6W <wc6w@juno.com>
Date: Tue, 10 Aug 2004 19:14:10 -0700
List-post: <mailto:amps@contesting.com>
On Tue, 10 Aug 2004 09:33:49 +0200 Angel Vilaseca <avilaseca@bluewin.ch>
writes:
> Hi,

<snip>

> The book I read said that the whole "zero-voltage optically coupled
> triac" is packaged in an 8-pin DIL and is also very inexpensive. It 
> did not give any part number.

Hi Angel,
  Motorola used to make these as the MOC3031, MOC3041, MOC3061, MOC3081
series good for 250V, 400V, 600V & 800V respectively.   I don't know if
that product line went to ON Semi, has stayed at Mot or went somewhere
else.
 
> Has anyone already tried this?

  There was an article in May 1987, QST Magazine, pp23-25 that
implemented a plate V regulator this-a-way and exhibited poor results
with zero crossing operation.  The author reverted to using a standard
opto-isolator.

> 
> Vy 73 de 
> 
> Angel Vilaseca HB9SLV

73 & Good evening,
   Marv  WC6W






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