5 pole filter plots added

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5 pole filter plots added

Eric Swartz - WA6HHQ, Elecraft
Administrator
We have added the K3 5 pole filter plots to our crystal filter plot
page. See:

http://www.elecraft.com/K3/K3_filter_plots.htm

We have also updated our FAQ and 'What Filter's should I Buy?' pages:

http://www.elecraft.com/K3/K3FAQ.htm
http://www.elecraft.com/K3/K3/Roofing_Filters.htm

73, Eric   WA6HHQ

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Re: 5 pole filter plots added

Leigh L. Klotz Jr WA5ZNU
Administrator
Eric Swartz - WA6HHQ, Elecraft wrote
This page looks broken to me; I get the full K3 product page, but with all broken images.

Leigh/WA5ZNU
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Re: 5 pole filter plots added

Bruce Beford-2
In reply to this post by Eric Swartz - WA6HHQ, Elecraft
>
> ...
> http://www.elecraft.com/K3/K3/Roofing_Filters.htm
>

> This page looks broken to me; I get the full K3 product page, but with all
> broken images.

> Leigh/WA5ZNU

Leigh, Try http://www.elecraft.com/K3/K3_filter_plots.htm

Bruce, N1RX



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Re: 5 pole filter plots added

Eric Swartz - WA6HHQ, Elecraft
Administrator
In reply to this post by Eric Swartz - WA6HHQ, Elecraft
Correction to the links - extra /K3 removed from paths.
Eric

---
www.elecraft.com


On 7/13/2011 12:37 PM, Eric Swartz - WA6HHQ, Elecraft wrote:

> We have added the K3 5 pole filter plots to our crystal filter plot
> page. See:
>
> http://www.elecraft.com/K3/K3_filter_plots.htm
>
> We have also updated our FAQ and 'What Filter's should I Buy?' pages:
>
> http://www.elecraft.com/K3/K3FAQ.htm
> http://www.elecraft.com/K3/Roofing_Filters.htm
>
> 73, Eric   WA6HHQ
>
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OT WinKey compatible keyer

Gregg W6IZT
I read somewhere of a keyer other than the WinKey that was compatible with
the WinKey command set. I don't recall where I saw it, but thought that this
would be a good place to ask?

73
Gregg

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K2 Noise Blanker Questions

Nidge_(G0NIG)
In reply to this post by Bruce Beford-2
I'm in the process of trying to bring an early K2 (serial#653) kicking and
screaming
into the 21st Century, I'll also point out that I'm not the original builder
of this
radio.

For a while I've not been overly convinced about the sensitivity and dynamic
range of this particular example, it hasn't helped matters that along the
way
in my investigations I found numerous build errors.

Today my attention was drawn to the Noise Blanker option.  I downloaded
the manual and noticed there were some major differences between my
example and that referenced in the manual.  I have looked through the
Elecraft website and found the archived manual for the main build but I
can't find an archived manual for this particular example of Noise Blanker.

I'm lucky in that I have a friend very local to me who is in the process of
building a K2 and so this morning I had the opertuinity to try his more
recent
noise blanker board in my K2.  WHAT A DIFFERENCE!!!!

I would guestimate that there was a 25-30dB increase in performance when his
noise blanker was installed.

The biggest visual differences between the two boards are:

My older example has variable capacitors for C3 and C5.
Pins 5 and 6 of U3 are shorted together
L1 and L2 are grey torroids, L1 having 13winding and
L2 having 14 windings
L3 is marked with brownish orangey paint and has 15 windings.

I'm hoping someone maybe able to point me to an archived manual
for this earlier version of the noise blanker so I can assertain if it is
reworkable or whether a newer revision should be purchased.

Regards

Nidge (G0NIG)

IO93dv

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Re: OT WinKey compatible keyer

Oliver Dröse
In reply to this post by Gregg W6IZT
Hi Greg,

N0XAS' MasterKeyer does, take a look here:
http://www.hamgadgets.com/index.php?main_page=product_info&cPath=21&products_id=106&zenid=catn9naq203dep356rr2q0k796

73, Olli - DH8BQA
Elecraft K3 #4546



----- Original Message -----
From: "Gregg W6IZT" <[hidden email]>
To: "'Elecraft Reflector'" <[hidden email]>
Sent: Thursday, July 14, 2011 11:34 PM
Subject: [Elecraft] OT WinKey compatible keyer


>I read somewhere of a keyer other than the WinKey that was compatible with
> the WinKey command set. I don't recall where I saw it, but thought that
> this
> would be a good place to ask?
>
> 73
> Gregg
>
> ______________________________________________________________
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>
> -----
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> Version: 10.0.1390 / Virendatenbank: 1516/3766 - Ausgabedatum: 15.07.2011
>

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Re: OT WinKey compatible keyer

Joe Subich, W4TV-4
In reply to this post by Gregg W6IZT

microHAM interfaces, microKEYER, CW Keyer, microKEYER II, DigiKeyer II
micro2R and MK2R/MK2R+ include K1EL WinKey integrated circuits.

The HamGadgets MasterKeyer MK-1 includes "K1EL emulation".

73,

    ... Joe, W4TV



On 7/14/2011 5:34 PM, Gregg W6IZT wrote:

> I read somewhere of a keyer other than the WinKey that was compatible with
> the WinKey command set. I don't recall where I saw it, but thought that this
> would be a good place to ask?
>
> 73
> Gregg
>
> ______________________________________________________________
> 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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Re: OT WinKey compatible keyer

Jim Rogers, W4ATK
In reply to this post by Gregg W6IZT
The US Interface Navigator also includes the K1EL Winkeyer IC and is an excellent choice for an interface for your station.

If you are just looking for a simple keyer, then the K1EL Systems WKUSB is a bargain in my book.

I own both.


73s Jim, W4ATK

Jim, W4ATK
JIM ROGERS, W4ATK
[hidden email]
http://web.me.com/jimrogers_w4atk
K3/100 P3
K2/10




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