[Elecraft] Filter

[Fred Smith]

If you're only going to use SSB the 2.8 8 pole filter will serve you well
nice skirts and maybe the 1.0 8 pole for the narrow would be all you need.
The suggestion for the GBP filter is a good thought then the FM filter also.

Fred/N0AZZ

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Michael Adams
Sent: Wednesday, March 06, 2013 10:26 AM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] Filter

I wondered the same thing this time last year when I was ordering my K3.

If I had to do it again, I would choose:

- the FM filter (in case you want to tx/rx AM or FM). I got the AM filter
(not planning on doing any FM), but now that the firmware supports AM thru
the FM filter...

- the 2.8 filter for SSB.  I also have the 1.8 filter, but I find I don't
use it much for phone, even during contests. I do use the filter when tuning
around for RTTY contacts, but I probably would be content with the
2.8 for this usage.

- the 400 filter for CW

- the 250 filter for RTTY & narrower modes in congested conditions.

I went with 8 pole filters mostly because I wasn't getting the second
receiver, but I didn't want to have to worry about crystal-matching if/when
I add it in the future.

Don't forget the BPF if you are in MARS or like listening around away from
the amateur bands.
--
Michael D. Adams (N1EN/4) | Atlanta, Georgia | mda at n1en.org

On Mar 6, 2013, at 7:08 AM, Laurens Sierdsma <lsierdsma at gmail.com> wrote:

Hello all,

I want to order a SSB filter for my K3, i only have now the standard 2.7K.
Wich do i have to choose:

8-pol 5-pol? Whats the different?
2.1K 1.8K or 1,5K?
Inrad or Elecraft?


I only like contesting in SSB, and prefer 40meter band

I 'd like to see your recommandations



--
*73*
*
*
*Laurens Sierdsma PD9X*
*Langezwaag*
*www.pd9x.nl* <http://www.pd9x.nl>
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