[EMAIL PROTECTED] made an utterance to the drakelist gang
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Why not use a 2N3439 NPN rated at 450V or 2n5415 PNP rated at 200V and have
the safety margin?
Larry K3VX
-- Original message --
From
neil <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Garey Barrell wrote:
>
> Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang
>
Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Neil -
I'm guessing that Dale's kit is using the 2N7000 as the output device.
They are rated at 70 V Drain-Source, Minimum 60 VDC. Most Drake
trans
neil <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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neil wrote:
>
> neil <[EMAIL PROTECTED]> made an utterance to the drakelist gang
> --
> Just
neil <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Just tagging on...
I've been very satisfied with a tiny PIC-based keyer from n0xas. He
sells the kits on eBay ("PicoKeyer") for about $18 including a battery.
Fo
ginal Message -
From: Jeff Siegel <mailto:[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Sent: Thursday, October 25, 2007 8:06 AM
Subject: RE: [drakelist] An Introduction & a question about keyer for T-4XB
That's another keyer to look for.
I'm hoping to find something at the l
rom: Jeff Siegel
To: [EMAIL PROTECTED]
Sent: Thursday, October 25, 2007 8:06 AM
Subject: RE: [drakelist] An Introduction & a question about keyer for T-4XB
That's another keyer to look for.
I'm hoping to find something at the local hamfest this weekend here on Lo
To: [EMAIL PROTECTED]
Subject: Re: [drakelist] An Introduction & a question about keyer for
T-4XB
Hi Jeff,
I too run a T-4XB and R-4B combination, and for almost 30 years( yes the
same rig), I have used a Heath HD-1410 keyer. I Love it.
Bill, WB9CAC
Jeff Siegel <[EMAIL
"Dennis Monticelli" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Let me know how it turns out, Doug.
On 10/23/07, Doug Smith <[EMAIL PROTECTED]> wrote:
>
> Doug Smith <[EMAIL PROTECTED]> made an utterance to the
Doug Smith <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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A brilliant set of mods! Thanks -- I'm going to pursue these.
I love that old keyer but that sawtooth wave really needs to go..
73,
-Doug, W7KF
On Tue
Doug Smith <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Garey,
Heh.. Yes, I started with a bug. Then, built a device that would send
dashes when I pressed the dash side of the bug. It's relay was in
parallel
Hi Jeff,
I too run a T-4XB and R-4B combination, and for almost 30 years( yes the same
rig), I have used a Heath HD-1410 keyer. I Love it.
Bill, WB9CAC
Jeff Siegel <[EMAIL PROTECTED]> wrote:
"Jeff Siegel" made an utterance to the drakelist gang
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"Dennis Monticelli" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Hi Steve,
I dug out my schematic and it actually takes a few components. My
recollection was only of the inductor. Basically you place a series
Steve Berg <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Hi Dennis,
What is that one additional component, and where does it go?
Steve WA9JML an otherwise happy TO keyer afficianado
Dennis Monticelli wrote:
"Dennis Monticelli" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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I don't have a CMOS-4 so I cannot comment. I have a Tick keyer that
just uses a single CMOS PIC controller and I find I can use it just
fine prete
sday, October 23, 2007 1:53 PM
To: [EMAIL PROTECTED]
Subject: RE: [drakelist] An Introduction & a question about keyer for T-4XB
"Jeff Siegel" <[EMAIL PROTECTED]> made an utterance to the
drakelist gang
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Thank
richard radke <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Also at the risk of blaspheme, I'm a big fan of the MFJ keyers. I've
been using one with a vibro iambic, into my C twins for years.
Better to spend
uot; <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, October 23, 2007 12:18 PM
Subject: Re: [drakelist] An Introduction & a question about keyer for T-4XB
>
> Steve Berg <[EMAIL PROTECTED]> made an utterance to the drakelist gang
> --
PROTECTED] Behalf Of Peter Bent
Sent: Tuesday, October 23, 2007 12:48 PM
To: [EMAIL PROTECTED]
Subject: RE: [drakelist] An Introduction & a question about keyer for
T-4XB
"Peter Bent" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
-
Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Steve -
The DX-20, like many of the small transmitters of its type, is cathode
keyed. What this means is that while the voltage across a key is
posi
Steve Berg <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
I appreciate the information this thread has produced. I have forwarded
some of it to a friend who I recently gave an old Heath DX-20 that he is
going t
OTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Garey Barrell
Sent: Monday, October 22, 2007 11:36 PM
To: [EMAIL PROTECTED]
Subject: Re: [drakelist] An Introduction & a question about keyer for T-4XB
Garey Barrell <[EMAIL PROTECTED]> made an utter
"Halo.net" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Gents,
I just caught the tail end of this discussion but if it's about keyers &
Drakes, Jackson-Harbor has a keyer kit that includes a heavy duty relay fo
Since I work on a lot of different rigs, I installed the Jackson Harbor Press
Key All kit in my keyer (http://www.mtechnologies.com/jhp/). This
inexpensive kit ($13) converts about any keyer circuit to handle up to 500 V
2.5 amp +
or - key lines. I figure that's about any key line I will ever
Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Doug -
My problem, (or at least THIS problem,) with the iambic keying,
(actually dot/dash memory,) is that I learned on a homebrew keyer back
in 1957
"sebdesn" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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I am using an old mfj401c (I think its a relay type unit...
73 de Bud WØHG
--
Submissi
o, that's always
an option...if needed.
73, Jeff
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Dennis Monticelli
Sent: Tuesday, October 23, 2007 12:40 AM
To: [EMAIL PROTECTED]
Subject: Re: [drakelist] An Introduction & a question about keyer for
T-
Doug Smith <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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On Mon, 2007-10-22 at 23:36 -0400, Garey Barrell wrote:
> Personally I use the CMOS-4 from Idiom because it's one of the few
> that
> I can turn off that s
ist gang
> --
> Thanks for much for the info.
>
> -----Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] Behalf Of Doug Smith
> Sent: Monday, October 22, 2007 1
m
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Jeff Siegel
Sent: Monday, October 22, 2007 11:00 PM
To: [EMAIL PROTECTED]
Subject: RE: [drakelist] An Introduction & a question about keyer for T-4XB
"Jeff Siegel"
y, it makes my carpal tunnel act up whereas the side to
side motion does not).
73, Jeff
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Garey Barrell
Sent: Monday, October 22, 2007 11:36 PM
To: [EMAIL PROTECTED]
Subject: Re: [drakelist] An Introduction & a q
Monday, October 22, 2007 11:26 PM
To: [EMAIL PROTECTED]
Subject: Re: [drakelist] An Introduction & a question about keyer for
T-4XB
Doug Smith <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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On Mon, 2007-
Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Jeff -
The Drake transmitters are all NEGATIVE voltage to ground, while most
modern transceivers are POSITIVE to ground.
Most keyers will key either
Doug Smith <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
On Mon, 2007-10-22 at 23:11 -0400, Jeff Siegel wrote:
> The question is,
> what is a suitable keyer to use with the transmitter?
I have a 1960's era Halli
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