Re: [TenTec] Filters

[Stan Gammons <s_gammons@charter.net>]

lol!

Yep, all of the trees got in the way and I couldn't see the forest :)

I'll look for another filter.

73

Stan
KM4HQE


On 09/12/2017 11:43 PM, rick@dj0ip.de wrote:
> You're wasting your time.
> You already found the forest.  If you ignore the trees, you'll see it!  (hi)
> That filter probably has a bad crystal.
> Just get a new filter Stan.
>
> 73
> Rick, DJ0IP
>
> -----Original Message-----
> From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Stan
> Gammons
> Sent: Wednesday, September 13, 2017 6:32 AM
> To: tentec@contesting.com
> Subject: Re: [TenTec] Filters
>
> ???  The 2.4 Khz filter I have is broken?   That's what I think. I
> wouldn't think -24 db for the peaks in the passband of the filter would be
> "normal"  The other filters were all around -15 db peaks in the passband.  I
> would post the frequency response graphs, but attachments are allowed on
> this group.
>
>
> 73
>
> Stan
> KM4HQE
>
>
> On 09/12/2017 11:21 PM, rick@dj0ip.de wrote:
> > No you don't, it's broken.
> > 73
> > Rick, DJ0IP
> >
> > -----Original Message-----
> > From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Stan
> > Gammons
> > Sent: Wednesday, September 13, 2017 4:56 AM
> > To: Discussion of Ten-Tec Equipment
> > Subject: [TenTec] Filters
> >
> > I finally got around to doing a sweep of the filters on the PBT board
> > in my Omni VI using the Midnight SNA.  I think I see why the signal
> > level shown on the S-meter increases when I switch from 2.4 Khz to 1.8
> Khz.
> > The 2.4 Khz filter has like 9 to 10 db more loss than the 1.8 Khz or
> > 500 Hz filters.  The extra 1.8 Khz and 500 Hz filters I have all
> > measured roughly the same.  I don't have another 2.4 Khz filter to compare
> to.
> > Guess I need to find another one.
> >
> >
> > 73
> >
> > Stan
> > KM4HQE
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