[ICOM] Optional Filters??
John Geiger
johngeig at yahoo.com
Thu Feb 1 00:33:04 EST 2007
You can find them new from several dealers for around
$70. Wish they would drop the price on the CW filters
(I need one) since the FCC determined that CW is an
obsolete mode.
73s John W5TD
--- AD5VJ Bob <rtnmi at sbcglobal.net> wrote:
> Good answer John:
>
> It is the 9 Mhz when only one can be installed.
> So I get the FL-223
>
> Anyone have one for sale???
>
> Tnx
>
> Bob ad5vj
>
> > -----Original Message-----
> > From: icom-bounces at mailman.qth.net
> > [mailto:icom-bounces at mailman.qth.net] On Behalf Of
> John Geiger
> > Sent: Wednesday, January 31, 2007 11:13 PM
> > To: ICOM Reflector
> > Subject: RE: [ICOM] Optional Filters??
> >
> > I would say the 9mhz, as it is:
> >
> > 1. Cheaper
> > 2. At an earlier IF, so it will cut the distortion
> out sooner.
> >
> > 73s John W5TD
> >
> >
> > --- AD5VJ Bob <rtnmi at sbcglobal.net> wrote:
> >
> > > Hi Anders
> > >
> > > Thanks for the input,
> > > but I can only afford to buy one or the other.
> > >
> > > Which one the 9 Mhz or the 455Khz SSB filter
> would be better to get?
> > >
> > > Tnx bob ad5vj
> > >
> > > > -----Original Message-----
> > > > From: icom-bounces at mailman.qth.net
> > > > [mailto:icom-bounces at mailman.qth.net] On
> Behalf Of
> > > Anders Janis SM4RNA
> > > > Sent: Wednesday, January 31, 2007 10:55 PM
> > > > To: ICOM Reflector
> > > > Subject: Re: [ICOM] Optional Filters??
> > > >
> > > > You can use both and infact PBT works best if
> you
> > > have the
> > > > same bandwidth in both 9MHz and 445kHz IF.
> > > >
> > > > For 455kHz you can choose a INRAD filter
> slightly
> > > better
> > > > filter skirts and still plug in. I have found
> > > INRAD filters
> > > > to have more accurate center freq.
> > > > For 9MHz INRAD also have filters but they are
> not
> > > plug in.
> > > > There I go with the ICOM FL-223.
> > > >
> > > > For more information on filters check
> VA7OJ/AB4OJ
> > > Adam Farson's site.
> > > >
> > > > /Anders
> > > >
> > > > ----- Original Message -----
> > > > From: "AD5VJ Bob" <rtnmi at sbcglobal.net>
> > > > To: "Icom Reflector" <icom at mailman.qth.net>
> > > > Sent: Thursday, February 01, 2007 5:46 AM
> > > > Subject: [ICOM] Optional Filters??
> > > >
> > > >
> > > > > Not sure how the filter scheme works on the
> > > Icoms.
> > > > >
> > > > > I am looking a purchasing some optional
> filters
> > > for my IC-775.
> > > > > I can purchase one 9Mhz or one 455Khz but
> not
> > > more at this time.
> > > > >
> > > > > Right now it is a toss up between
> > > > >
> > > > > 9 MHz FILTER
> > > > > FL-223: 1.9 kHz/-6 dB (SSB NAR.)
> > > > >
> > > > > 455 kHz FILTER
> > > > > FL-222: 1.9 kHz/-6 dB (SSB NAR.)
> > > > >
> > > > > If I can only get one of the above - Which
> is the
> > better choice to
> > > > > make for the best
> > > > selectivity, or do I have
> > > > > to have them both IF's if I get either.
> > > > >
> > > > > Any ideas appreciated.
> > > > >
> > > > > Tnx bob ad5vj
> > > > >
> > > > >
> > > > > ----
> > > > > Your Moderator: Dick Flanagan K7VC,
> > > icom-owner at mailman.qth.net
> > > > > Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ:
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> > > >
> > > > ----
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> > > icom-owner at mailman.qth.net
> > > > Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ:
> > > > http://www.qsl.net/icom/
> > > >
> > >
> > >
> > > ----
> > > Your Moderator: Dick Flanagan K7VC,
> > > icom-owner at mailman.qth.net
> > > Icom Users Net: Sundays, 1700Z, 14.316 MHz Icom
> FAQ:
> > > http://www.qsl.net/icom/
> > >
> >
> >
> >
> >
> >
>
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