[ICOM] Optional Filters??
AD5VJ Bob
rtnmi at sbcglobal.net
Thu Feb 1 00:22:36 EST 2007
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
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> > >
> > > ----
> > > 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/
> > >
> >
> >
> > ----
> > 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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