Hi
I already have the 250Hz, 400Hz and 2.7 KHz filters fitted to both
receivers. I plan to add 2.1KHz or 1.8kHz filters some time I in the future.
In the nearer future I intend adding the 2m module to my K3. Since this will
be used for local traffic I understand that I need to add an FM filter
Bill,
You can use the FM filter to receive AM, but not for transmit. To
transmit AM, you must have the 6 kHz filter, so you will have to
sacrifice one filter.
73,
Don W3FPR
On 10/8/2010 9:11 AM, Bill Henderson wrote:
Hi
I already have the 250Hz, 400Hz and 2.7 KHz filters fitted to both
Don
I thought that that might be the case.
I can live without TX in AM (hi)
Vy 73
Bill
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On 10/8/2010 9:30 AM, Don Wilhelm wrote:
You can use the FM filter to receive AM, but not for transmit. To
transmit AM, you must have the 6 kHz filter, so you will have to
sacrifice one filter.
Repeating one of my complaints about the K3 there is no reason
that the FM filter should
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Joe Subich, W4TV
Sent: Friday, October 08, 2010 11:07 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3: FM Filter for AM?
On 10/8/2010 9:30 AM, Don Wilhelm wrote:
You can use the FM filter to receive AM, but not for transmit. To
transmit AM
I agree, Bob, and wouldn't 2.1 kc make our transmit signal even cleaner??
I'm afraid I don't see the status quo either.
73,
Don, WB5HAK
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Help:
In fact, 2.1 was one of the original possibilities for the TX filter
and was removed.
73, doug
From: Don Cunningham wb5...@martineer.net
Date: Fri, 8 Oct 2010 11:31:04 -0500
I agree, Bob, and wouldn't 2.1 kc make our transmit signal even cleaner??
I'm afraid I don't see the status
You will have to choose which filter is used ALL THE TIME for SSB TX.
You COULD currently define the 2.1 filter as 2.7 and set an offset to
center it properly. BUT it will not be cleaner as you suppose. The
narrower filters have more envelope delay near the skirts, and that
creates distortion
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