I also would like 3 boards, perhaps more if I can drum up interest from my local radio club!
k3wdf Jason in Pennsylvania
On Sat, Nov 9, 2019, 4:42 PM bill K7WXW < K7WXW@...> wrote: I would buy four or five and see if I can drum up interest in a local group build, too.? 73 Bill K7WXW
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I would take a few too. Thanks!
--Neil, W2NDG
Radiokitguide.com
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When I built my qrp-tech Norcal 40a I omitted the analog VFO circuitry and used the W8TEE et al DDS VFO (AD9850-based) from the Modular 49er project.
It works well. I am running code by K4KRW that was written for this VFO. I modified it for use with a superhet rig and made a couple of customizations.
It provides RIT, and a nice little iambic A/B keyer as well.?
FWIW, it took about 10 lines of code changes to get this same VFO code to run with an Si5351a in place of a AD9850.?
Cheers
Michael VE3WMB?
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I would buy four or five and see if I can drum up interest in a local group build, too.? 73 Bill K7WXW
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I would have 3 boards. Would also try and whip the local club up for a group build.?
Alun VK4LUN
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I would take 3 boards.
Mark NS9M
On Sat, Nov 9, 2019 at 2:42 PM Gary Freeman < ZSUGF@...> wrote:
I would be interested in a board or two as well.? I have been hearing about the radio for a long time.? It would be great if it is back in the realm of possibility.
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72 de Gary W0ITT
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Sent from for Windows 10
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I would be interested in maybe 2 boards. Gotta have something to keep me
out of trouble during the winter.?
Art N4EZZ <n4ezz@...>
GnuPG key ID 0x6712DD0E
=============================
"Whenever a man has cast a longing eye on offices, a rottenness
begins in his conduct."
?????? Thomas Jefferson
On 11/9/19 12:08 PM, Leland L. Bahr wrote:
> A long time ago, NORCAL offered a transceiver kit designed by Jim
> Kortge, K8IQY.? It was called a2N2XX? as it could be built on 20, 30, or
> 40 meters.? It was unique as it used a lot of 2N2222 transistors and did
> not use any IC chips.? It worked extremely well.? There was a reflector
> set up for this radio, [email protected]?? It has 73 members and is a
> pretty quit reflector these days.? But, a few days ago one member popped
> up and asked about getting a PC board for the project.? K8IQY popped up
> and said MAYBE.? That got me going and I sent out a few e-mails to the
> group as I was very excited to think a board may indeed become available
> for the project from Jim.? But to my dismay only a couple others showed
> interest.? (Maybe the members of that group all have one and are not
> interested in building another one.)? I love to build so maybe I am
> alone.? I bring it up here because maybe the members of this group would
> be interested in building an all transistor mainly made up of 2N2222
> transistors transceiver. As I said, Jim Kortge, the designer said he
> would consider a PC board run, but I am sure he would not want to do it
> for just a couple guys.? You can read up on this NORCAL kit at:
> ???
Maybe there is some interest in
> this project on this reflector.? I also think being an all transistor
> radio, it lends itself well for learning how to trouble shoot a radio.?
> (Sorry for the long post.)
>
?
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Just to let you all know, I have informed Jim Kortge, K8IQY, of the interest here in his 2n2xx transceiver board.? I don't know if he has yet joined this group, but I gave him all the info he needs to join this reflector and monitor and jump in to all your comments about his transceiver directly.? Hope he will join us soon.? Jim is a fantastic designer.
Lee
w0vt, w5drc
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I would be interested in a board or two as well.? I have been hearing about the radio for a long time.? It would be great if it is back in the realm of possibility.
?
72 de Gary W0ITT
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Sent from for Windows 10
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From: Art N4EZZ
Sent: Saturday, November 9, 2019 1:36 PM
To: [email protected]
Subject: Re: [qrptech] 2n2xx Transceiver
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I would be interested in maybe 2 boards. Gotta have something to keep me
out of trouble during the winter.?
Art N4EZZ <n4ezz@...>
GnuPG key ID 0x6712DD0E
=============================
"Whenever a man has cast a longing eye on offices, a rottenness
begins in his conduct."
?????? Thomas Jefferson
On 11/9/19 12:08 PM, Leland L. Bahr wrote:
> A long time ago, NORCAL offered a transceiver kit designed by Jim
> Kortge, K8IQY.? It was called a2N2XX? as it could be built on 20, 30, or
> 40 meters.? It was unique as it used a lot of 2N2222 transistors and did
> not use any IC chips.? It worked extremely well.? There was a reflector
> set up for this radio, [email protected]?? It has 73 members and is a
> pretty quit reflector these days.? But, a few days ago one member popped
> up and asked about getting a PC board for the project.? K8IQY popped up
> and said MAYBE.? That got me going and I sent out a few e-mails to the
> group as I was very excited to think a board may indeed become available
> for the project from Jim.? But to my dismay only a couple others showed
> interest.? (Maybe the members of that group all have one and are not
> interested in building another one.)? I love to build so maybe I am
> alone.? I bring it up here because maybe the members of this group would
> be interested in building an all transistor mainly made up of 2N2222
> transistors transceiver. As I said, Jim Kortge, the designer said he
> would consider a PC board run, but I am sure he would not want to do it
> for just a couple guys.? You can read up on this NORCAL kit at:
> ???
Maybe there is some interest in
> this project on this reflector.? I also think being an all transistor
> radio, it lends itself well for learning how to trouble shoot a radio.?
> (Sorry for the long post.)
>
?
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I would be interested in maybe 2 boards. Gotta have something to keep me
out of trouble during the winter.
Art N4EZZ <n4ezz@...>
GnuPG key ID 0x6712DD0E
=============================
"Whenever a man has cast a longing eye on offices, a rottenness
begins in his conduct."
Thomas Jefferson
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Show quoted text
On 11/9/19 12:08 PM, Leland L. Bahr wrote: A long time ago, NORCAL offered a transceiver kit designed by Jim
Kortge, K8IQY.? It was called a2N2XX? as it could be built on 20, 30, or
40 meters.? It was unique as it used a lot of 2N2222 transistors and did
not use any IC chips.? It worked extremely well.? There was a reflector
set up for this radio, [email protected]?? It has 73 members and is a
pretty quit reflector these days.? But, a few days ago one member popped
up and asked about getting a PC board for the project.? K8IQY popped up
and said MAYBE.? That got me going and I sent out a few e-mails to the
group as I was very excited to think a board may indeed become available
for the project from Jim.? But to my dismay only a couple others showed
interest.? (Maybe the members of that group all have one and are not
interested in building another one.)? I love to build so maybe I am
alone.? I bring it up here because maybe the members of this group would
be interested in building an all transistor mainly made up of 2N2222
transistors transceiver. As I said, Jim Kortge, the designer said he
would consider a PC board run, but I am sure he would not want to do it
for just a couple guys.? You can read up on this NORCAL kit at:
Maybe there is some interest in
this project on this reflector.? I also think being an all transistor
radio, it lends itself well for learning how to trouble shoot a radio.?
(Sorry for the long post.)
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Re: Group Introduction: If you're going to post on the group, reply here!
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From: [email protected] [mailto:[email protected]] On Behalf Of Ryan Flowers
Sent: Tuesday, November 5, 2019 7:28 PM
To: [email protected]
Subject: [qrptech] Group Introduction: If you're going to post on the group, reply here! ? Hello everyone,
Thank you for joining this group! I am new to being an admin of a groups.io group, but not to groups in general. If you see something that needs to be changed, feel free to comment about it. I'm flexible! This isn't my group, it's?your group.?
My goal is to keep the old qpr-tech group alive under this new name, and I hope that all 2500+ on the old group will join this one, but I know that's not realistic. If you all could put the word out that the group has moved, it'll help keep this going. Despite those saying that "homebrew is dying" and the like, groups like this prove that it's alive and well. let's keep it that way!
Because of the way Groups.io is set up, I can either moderate peoples first post, or I can set it so that so that people have to be approved to join the group. qrp-tech was set to the former, and so I've set this group the same. Your first post will have to be moderated, but I'll approve it as soon as possible. I'm never far from a browser and it's easy to do.
Thank you and 73!
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I will start the ball rolling. :) I would like 3 pcb's for sure. Rev. O. Alan Jones, N8WQ On Sat, 09 Nov 2019 14:08:57 -0500, Leland L. Bahr <w5drc@...> wrote: A long time ago, NORCAL offered a transceiver kit designed by Jim Kortge, K8IQY. It was called a2N2XX as it could be built on 20, 30, or 40 meters. It was unique as it used a lot of 2N2222 transistors and did not use any IC chips. It worked extremely well. There was a reflector set up for this radio, [email protected] It has 73 members and is a pretty quit reflector these days. But, a few days ago one member popped up and asked about getting a PC board for the project. K8IQY popped up and said MAYBE. <SNIP>
Lee, w0vt, w5drc
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A long time ago, NORCAL offered a transceiver kit designed by Jim Kortge, K8IQY.? It was called a2N2XX? as it could be built on 20, 30, or 40 meters.? It was unique as it used a lot of 2N2222 transistors and did not use any IC chips.? It worked extremely well.? There was a reflector set up for this radio, [email protected]?? It has 73 members and is a pretty quit reflector these days.? But, a few days ago one member popped up and asked about getting a PC board for the project.? K8IQY popped up and said MAYBE.? That got me going and I sent out a few e-mails to the group as I was very excited to think a board may indeed become available for the project from Jim.? But to my dismay only a couple others showed interest.? (Maybe the members of that group all have one and are not interested in building another one.)? I love to build so maybe I am alone.? I bring it up here because maybe the members of this group would be interested in building an all transistor mainly made up of 2N2222 transistors transceiver. As I said, Jim Kortge, the designer said he would consider a PC board run, but I am sure he would not want to do it for just a couple guys.? You can read up on this NORCAL kit at: Maybe there is some interest in this project on this reflector.? I also think being an all transistor radio, it lends itself well for learning how to trouble shoot a radio.? (Sorry for the long post.) Below are a couple messages I had sent to the 2n2xx group: Jim and others, Keeping your Gerber Files private sure makes sense to me, Jim. If you don't there will be a Chinese knock off for sale shortly thereafter.? As I mentioned in my prior post, the crystals and final output transistor also need to be addressed as the originals would be difficult to find.? You being a great designer maybe could come up with an good cheap alternative transistor for the same PC board or just alter it slightly for another approved transistor.? Maybe someone else could jump in and provide a set of crystals for each band or have a group of three guys each supplying the crystals for one of the three suggested bands. Using readily available surplus crystals would cut down expenses. I see lots of surplus crystals at 4,6,8,4.194304, 4.032, 4.096, 7.2, and 11.0592 Mhz.? ( Checking, I see Mouser has 4.9152 mhz crystals for 40 cents ea, 7.3728 Mhz crystals for 40 cents each, and 11.000 Mhz crystals for 40-50 cents each plus 11.046 Mhz crystals for 40 cents each.?? These are all very close to the original 2N2XX crystal frequencies.) ? A build list of parts from Digi-key or from Mouser would also be a big plus as been suggested. ? If all this were done, they would go a long way in resurrecting the 2N2XX radio.? I'd even maybe be willing to help be a supplier of the matched crystal sets for the project if this would help move the project forward.? I don't know about others, but I'm 81 and don't get on the air much anymore.? But I still like to build QRP rigs.? I've got many 2N2222 transistors around here ready to be used!?? Being a marketing guy, this project needs to be mentioned on other reflectors if it indeed will happen.? All in all, I don't think the workload would be insurmountable and if these extra details were addressed, the project would be in much larger demand.? Everything else is easily obtained.? A memory keyer could easily be added from a number of suppliers and a case made from PC board material or even made from a 3D printer could be developed. Lee, w0vt, w5drc The original 2n2XX used a 2SC5739 output transistor, no longer readily available.? I see w8diz used a pair of 2SC5706 transistors in his latest design.? They together produce 5 watts plus.? (KB5JO has a 20 meter DIZ kit and it puts out around 7 watts on 20 meters with a pair of 2SC5706 transistors in his radio.)? DIZ also uses this transistor in his driver stage.? Mouser has them for 40 to 60 cents each based on quantity purchased.? Yes, you would need two of them, but they work well and are super cheap from a reputable supplier.? Not fake Chinese transistors.? According to DIZ, they even work up to 17 Meters with slightly less power output in his 17 meter version.? So they would be good in a 40,30, 20 meter transceiver.? The 2n2XX uses a 2SC5739 which is on the edge of the PC board.? With a little Gerber change I bet a pair of 2SC5706 transistors could be configured side bye side.? Not sure if the 2N7000 could drive them or if you would want to use a 2SC5706 driver in it's place.)? Jim knows more about this then me.? I just know enough to be dangerous! Lee, w0vt, w5drc
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Re: Group Introduction: If you're going to post on the group, reply here!
Jerry, AA6KI, checking in and looking forward to possible group building projects. 73 to all.
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Re: Group Introduction: If you're going to post on the group, reply here!
I plan on working with some of the QRP rigs from previous posts this winter when the snow keeps me off of SOTA summits.
73,
Dan KA7GPP
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-----Original Message----- From: [email protected] [mailto: [email protected]] On Behalf Of Steve Ratzlaff Sent: Saturday, November 9, 2019 10:20 AM To: [email protected]Subject: Re: [qrptech] Group Introduction: If you're going to post on the group, reply here! AA7U here. ____________________________________________________________ Do This Before Bed, Watch Your Belly Fat Melt Like Crazy floraspring.com
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Re: Group Introduction: If you're going to post on the group, reply here!
My problem is I Forget more than I Learn...guess brain is shrinking
-Diz
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On 11/9/19 11:28 AM, Art N4EZZ wrote: I'll follow along on this one.
Long ago someone told me that if you are not learning, you are dying.
Since then I have tried to learn something new every day. At 70 now I do
tend to be a bit thick headed at times but I keep trying.
Hope you folks can teach me something.
Art N4EZZ <n4ezz@...>
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Ryan,
Thank you for setting this up, I'm sure I'll learn a lot from the clever QRPers on here.
?
Trystan G0KAY
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Re: Group Introduction: If you're going to post on the group, reply here!
Hi Art,
If you are not learning you are already dead. At a minimum you learning how it feels to die. Depending on your beliefs maybe you are still learning in the next world.
I tell all the kids at graduation open house parties that school doesn't end until you die! Usually they are already mature enough to understand that:)
73,
Bill KU8H
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On 11/9/19 11:28 AM, Art N4EZZ wrote: I'll follow along on this one.
Long ago someone told me that if you are not learning, you are dying.
Since then I have tried to learn something new every day. At 70 now I do
tend to be a bit thick headed at times but I keep trying.
Hope you folks can teach me something.
Art N4EZZ <n4ezz@...>
GnuPG key ID 0x6712DD0E
=============================
Learn from the mistakes of others, You'll never live long
enough to make them all yourself!
Larry
On 11/9/19 2:44 AM, Trystan G0KAY wrote:
Ryan,
Thank you for setting this up, I'm sure I'll learn a lot from the clever QRPers on here.
Trystan G0KAY
--
bark less - wag more
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Re: Group Introduction: If you're going to post on the group, reply here!
Thanks for setting this up the group now let's talk tech. 73, Marty NR3Z
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Neil Goldstein
bill K7WXW
Bill, W?TG
Gary Freeman
Alan N8WQ
bleepingbeep
Nick Kennedy