[R-390] Correction in My ER Article

[Cecil Acuff]

Either way it was good stuff Bill....

Keep it up....

73

Cecil...
----- Original Message ----- 
From: "William G Feldmann" <n6py at qnet.com>
To: "R390 LISTINGS" <r-390 at mailman.qth.net>
Sent: Friday, September 22, 2006 6:52 PM
Subject: [R-390] Correction in My ER Article


> Hi All,
>
> I made a big P/N goof in my R-390A article in the September issue of
> Electric Radio.  I just found out about it when I returned this week from 
> my
> New Mexico vacation.  It was my fault not being more careful re-looking up
> the part number after doing the modification and loosing the bag with the
> part number the relay came in.
>
> I mistakenly listed in the text for the product detector modification a 
> 8ma.
> coil relay instead of the 5ma. one I used.  The right Mouser P/N is
> 653-G6A-274P40-DC48.  But if someone has already ordered the wrong relay 
> it
> will work fine if a 22K coil resistor is used in place of the 39K in the
> schematic for R2B.  Also I used a 5 watt metal film resistor for R2B 
> because
> I happened to have one and not a 2 watt that is smaller and will work fine
> since the required dissipation is only .94 watts.  So a 2 watt will work
> fine for R2B if you have one or are ordering the resistor.
>
> There will be a correction in the October issue but just wanted to give
> those of you on the reflector a heads up because some of you may be the 
> most
> likely to use the modification.  Also readers seem to often miss the
> corrections.  Next time I'll be more careful.
>
> Bill N6PY
>
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