[R-390] 8640 was Deoxit

JamesMiller [email protected]
Sun, 30 Nov 2003 12:27:08 -0500


Well I must have had a brain slip.  I tried it and yes 447 khz.  Wouldnt you
know.  The manual says 500 khz is the low limit, and I never bothered to try
it lower in the over coverage region.  Thanks guys.


----- Original Message ----- 
From: "Cecil Acuff" <[email protected]>
To: "mikea" <[email protected]>; "JamesMiller" <[email protected]>
Cc: <[email protected]>
Sent: Sunday, November 30, 2003 11:16 AM
Subject: Re: [R-390] Deoxit


> I agree with mike...mine goes below 455Khz as well...It has options 1,2
and
> 3 too...but I don't think it is any of those options that cause it to do
> that...
>
> Cecil...
> ----- Original Message ----- 
> From: "mikea" <[email protected]>
> To: "JamesMiller" <[email protected]>
> Cc: <[email protected]>
> Sent: Sunday, November 30, 2003 9:12 AM
> Subject: Re: [R-390] Deoxit
>
>
> > On Sat, Nov 29, 2003 at 10:38:19PM -0500, JamesMiller wrote:
> > > I have an 8640B with all except the low freq. option.  It doesn't go
> below
> > > 500 Khz now, and it would be real nice to have it go down to 455 khz
to
> do
> > > IF deck alignments.  How hard is it to find a low freq. option and add
> it to
> > > an 8640B?
> >
> > As I remember, the HP designers _explicitly_ built the 8640B so that
> > the real low end would be 455 KHz or a bit lower, just so it _could_
> > be used for tweaking IF decks. I know mine goes down below 455 KHz:
> > the low end is 447.8774 KHz this morning.
> >
> > Mine only has options 1, 2, and 3, and so there's no LF option
> > involved. Maybe yours needs some retweaking, or to be looked at, or
> > something? I certainly don't claim to be anything more than a user/
> > operator when it comes to the 8640B.
> >
> > -- 
> > Mike Andrews
> > [email protected]
> > Tired old sysadmin
> > _______________________________________________
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> > [email protected]
> > http://mailman.qth.net/mailman/listinfo/r-390
> >
>
>