k3 filter install
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Hi all. I installed the KFL3A-400 filter in my K3/10, no problem. But I don't understand the set up part of the filter. Can someone just run it by me so the K3 will see the new filter? I don't have the sub rx. FL1 location has the 2.7 standard filter in place. thanks!
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James,
The full procedure is a bit long for an email, but please see page 46 in the current version of the K3 Owners Manual, which is available under Manuals and Downloads at the Elecraft web page. All of the filter setup functions are accessed through the CONFIG menus. There are 3 key steps to follow: (1) Tell the K3 where to find the new filter (slot FLx), its bandwidth and its frequency offset; for the 8 pole filters such as your KFL3A-400 there is 0.00 frequency offset, (2) Enable the filter for receive mode, and (3) Activate filter loss compensation (typically 1-2 dB for the 400 Hz 8-pole filter). You shouldn't need to alter the Transmit Crystal Filter Selection settings if you have already done this procedure with the stock 2.7 kHz 5-pole filter. Enjoy the new filter! 73, Mike, K8CN |
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Hi Mike. I got it! The procedures on pg 46 had me stumped at first. They are assuming you're going to set up the filter via the computer. I set it up via the front panel of the K3..it took a few minutes to get it through my skull but the filter works great. Thanks for your email and tips. I couldn't be happier with my K3/10 w/ATU and one cw filter. 73 JIM WT2W
On Sat, Oct 6, 2012 at 9:14 AM, Mike K8CN [via Elecraft] <[hidden email]> wrote: James, -- |
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In reply to this post by Mike K8CN
When I installed the 250Hz 8 pole filter in my minimal K3 (base
+ K144XV + KXV3A + FM filter), the procedure in the manual appendix A (p77ff) calls for the removal of the K144XV transverter. After looking inside, removing it looked unnecessary, so I proceeded without removing it. I encountered no problems with this modified procedure. It's really nice to hear how the background noise goes down as I switch between 300 Hz and 250 Hz and the filter switches in. Cheers - Bill, AE6JV On 10/6/12 at 9:14 AM, [hidden email] (Mike K8CN) wrote: >The full procedure is a bit long for an email, but please see page 46 in the >current version of the K3 Owners Manual, which is available under Manuals >and Downloads at the Elecraft web page. All of the filter setup functions >are accessed through the CONFIG menus. There are 3 key steps to follow: (1) >Tell the K3 where to find the new filter (slot FLx), its bandwidth and its >frequency offset; for the 8 pole filters such as your KFL3A-400 there is >0.00 frequency offset, (2) Enable the filter for receive mode, and (3) >Activate filter loss compensation (typically 1-2 dB for the 400 Hz 8-pole >filter). You shouldn't need to alter the Transmit Crystal Filter Selection >settings if you have already done this procedure with the stock 2.7 kHz >5-pole filter. Bill Frantz |"We used to quip that "password" is the most common 408-356-8506 | password. Now it's 'password1.' Who said users haven't www.pwpconsult.com | learned anything about security?" -- Bruce Schneier ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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Bill, tnx for our input. I got my 400hz/8pole filter working just fine now. Go K3! Jim, WT2W On Sun, Oct 7, 2012 at 12:32 PM, Bill Frantz [via Elecraft] <[hidden email]> wrote: When I installed the 250Hz 8 pole filter in my minimal K3 (base -- |
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