Re: TCXOM is ready for order
CORRECTION -
I would like
- 1 reworked 5351 module
- 2 daughter boards.
What is the total with shipping to New Jersey USA 07737?
73 Mike N2MS
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On 03/10/2024 11:27 AM EDT N2MS <mstangelo@...> wrote:
Adam,
I would like want one daughter board and one 5351 module. The price is 19.80 USD . How much is shipping to New jersey USA 07737?
73 Mike N2MS
On 03/10/2024 11:02 AM EDT Adam Rong <rongxh@...> wrote:
Let’s do some math here by example:
One daughter board plus shipping 9.9 USD
One reworked 5351 module plus shipping 14.9 USD (you don’t have to pay additional 4.9 USD for daughter board again)
One daughter board, one reworked 5351 module plus shipping 19.8 USD (you pay shipping once)
Thanks,
Adam
在 2024年3月10日，16:04，Adam Rong via groups.io <rongxh@...> 写道：
Guys,
Why you will need this TCXO Module? No more noticeable drift, even WSPR at full RF output! The TCXO is supplied by KDS of Japan. The spec says 0.5ppm.
I am offering two options. Please add 5 USD for shipping each order. PayPal to rongxh@... and leave your ship-to address. I have 30 pcs in stock at this moment.
* The green daughter board on the left, only available to this group, 4.9 USD each, 5 pcs max each order
* The reworked module on the right, will be made available to public, 9.9 USD each, 5 pcs max each order
Thanks,
Adam
|
Re: TCXOM is ready for order
Adam,
I would like want one daughter board and one 5351 module. The price is 19.80 USD . How much is shipping to New jersey USA 07737?
73 Mike N2MS
toggle quoted message
Show quoted text
On 03/10/2024 11:02 AM EDT Adam Rong <rongxh@...> wrote:
Let’s do some math here by example:
One daughter board plus shipping 9.9 USD
One reworked 5351 module plus shipping 14.9 USD (you don’t have to pay additional 4.9 USD for daughter board again)
One daughter board, one reworked 5351 module plus shipping 19.8 USD (you pay shipping once)
Thanks,
Adam
在 2024年3月10日，16:04，Adam Rong via groups.io <rongxh@...> 写道：
Guys,
Why you will need this TCXO Module? No more noticeable drift, even WSPR at full RF output! The TCXO is supplied by KDS of Japan. The spec says 0.5ppm.
I am offering two options. Please add 5 USD for shipping each order. PayPal to rongxh@... and leave your ship-to address. I have 30 pcs in stock at this moment.
* The green daughter board on the left, only available to this group, 4.9 USD each, 5 pcs max each order
* The reworked module on the right, will be made available to public, 9.9 USD each, 5 pcs max each order
Thanks,
Adam
|
Re: TCXOM is ready for order
Let’s do some math here by example: One daughter board plus shipping 9.9 USD? One reworked 5351 module plus shipping 14.9 USD (you don’t have to pay additional 4.9 USD for daughter board again) One daughter board, one reworked 5351 module plus shipping 19.8 USD (you pay shipping ?once)
toggle quoted message
Show quoted text
在 2024年3月10日，16:04，Adam Rong via groups.io <rongxh@...> 写道：
?
Guys,
Why you will need this TCXO Module? No more noticeable drift,
even WSPR at full RF output! The TCXO is supplied by KDS of Japan.
The spec says 0.5ppm.
I am offering two options. Please add 5 USD for shipping each
order. PayPal to rongxh@... and leave your ship-to address.
I have 30 pcs in stock at this moment.
- The green daughter board on the left, only available to this
group, 4.9 USD each, 5 pcs max each order
- The reworked module on the right, will be made available to
public, 9.9 USD each, 5 pcs max each order
Thanks,
Adam
|
Re: TCXOM is ready for order
Correct. If everyone uses this TCXO module, the frequency
calibration of ADX-S can be saved.
Thanks,
Adam
On 2024/3/10 17:23, Shirley Dulcey KE1L
wrote:
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That mod also fixes the problem that a lot of those
generic Si5351A modules?are substantially off frequency. The
branded Adafruit ones they are based on are generally closer.
(Not illegal, by the way, the Adafruit design is open source
hardware, you just have to remove the branding.)
On Sun, Mar 10, 2024 at
4:04?AM Adam Rong < rongxh@...>
wrote:
Guys,
Why you will need this TCXO Module? No more noticeable
drift, even WSPR at full RF output! The TCXO is supplied
by KDS of Japan. The spec says 0.5ppm.
I am offering two options. Please add 5 USD for shipping
each order. PayPal to rongxh@... and
leave your ship-to address. I have 30 pcs in stock at this
moment.
- The green daughter board on the left, only available
to this group, 4.9 USD each, 5 pcs max each order
- The reworked module on the right, will be made
available to public, 9.9 USD each, 5 pcs max each order
Thanks,
Adam
|
Re: TCXOM is ready for order
That mod also fixes the problem that a lot of those generic Si5351A modules?are substantially off frequency. The branded Adafruit ones they are based on are generally closer. (Not illegal, by the way, the Adafruit design is open source hardware, you just have to remove the branding.)
On Sun, Mar 10, 2024 at 4:04?AM Adam Rong < rongxh@...> wrote:
Guys,
Why you will need this TCXO Module? No more noticeable drift,
even WSPR at full RF output! The TCXO is supplied by KDS of Japan.
The spec says 0.5ppm.
I am offering two options. Please add 5 USD for shipping each
order. PayPal to rongxh@... and leave your ship-to address.
I have 30 pcs in stock at this moment.
- The green daughter board on the left, only available to this
group, 4.9 USD each, 5 pcs max each order
- The reworked module on the right, will be made available to
public, 9.9 USD each, 5 pcs max each order
Thanks,
Adam
|
Guys,
Why you will need this TCXO Module? No more noticeable drift,
even WSPR at full RF output! The TCXO is supplied by KDS of Japan.
The spec says 0.5ppm.
I am offering two options. Please add 5 USD for shipping each
order. PayPal to rongxh@... and leave your ship-to address.
I have 30 pcs in stock at this moment.
- The green daughter board on the left, only available to this
group, 4.9 USD each, 5 pcs max each order
- The reworked module on the right, will be made available to
public, 9.9 USD each, 5 pcs max each order
Thanks,
Adam
|
Guys,
My ADX-S (SN: ADXS0001) just passed test at State Radio Test Center Shanghai Lab.
See:?
|
Re: ADX-S Audio Adapter Board
This kit works with my old iPhone 6S Plus too! I can run iFTx on
iPhone. It supports both FT8 and FT4. Search iFTx in App store.
Thanks,
Adam
On 2024/2/23 8:46, Adam Rong via
groups.io wrote:
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Guys,
Better looking photo. You can build from a kit. It can be
ordered together with the ADX-S 4 band or 7 band kit at 5 USD.
It could save a USB sound card.
?
Guys,
If you wish to connect 4-pin connector on your
Android devices or laptop computers, you might like this
board. See more info:
|
Re: ADX-S Audio Adapter Board
Guys,
Better looking photo. You can build from a kit. It can be ordered together with the ADX-S 4 band or 7 band kit at 5 USD. It could save a USB sound card.
toggle quoted message
Show quoted text
在 2024年2月21日，09:30，Adam Rong via groups.io <rongxh@...> 写道：
? Guys,
If you wish to connect 4-pin connector on your Android devices or laptop computers, you might like this board. See more info:
|
Re: CPK-3 SMD pre-assembled
Those videos actually show what I described.? They are very good! Note on the finer pitches he used a liquid flux pen rather than the paste flux in the first video.? I still think for smt work the liquid flux is superior.? In the videos where there were bridges he used the pulling away from the chip body technique I mentioned.?
One other comment I should have made that for two pin and three pin devices like resistors, capacitors and transistors that two soldering irons is a great hack, honestly better than tweezers.
Don't fear it.? In many cases smt work is actually easier than through hole, especially when there is rework.?
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Re: CPK-3 SMD pre-assembled
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I am a big fan of Hakkos but they are pretty expensive.? Honestly most of the Chinese ones available now are pretty adequate for the job.? I use one at my second house and as my second iron at my primary house.? Yes if you do smt work two irons is another life hack.??
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Re: CPK-3 SMD pre-assembled
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I am a big fan of Hakkos but they are pretty expensive.? Honestly most of the Chinese ones available now are pretty adequate for the job.? I use one at my second house and as my second iron at my primary house.? Yes if you do smt work two irons is another life hack.??
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Re: CPK-3 SMD pre-assembled
I am a big fan of Hakkos but they are pretty expensive.? Honestly most of the Chinese ones available now are pretty adequate for the job.? I use one at my second house and as my second iron at my primary house.? Yes if you do smt work two irons is another life hack.??
|
ADX-S Audio Adapter Board
Guys,
If you wish to connect 4-pin connector on your Android devices or laptop computers, you might like this board. See more info:
|
Re: CPK-3 SMD pre-assembled
Yes, Good information !? What is your preferred soldering station? Thanks Fred ! Jim
The WTCP was a grounded station and though there are much better out there now, it was one of the first proper temperature controlled stations out there and is still suitable for the task with the correct tip.? When doing SMT work, being on the small parts for short durations is of course a good idea.? If you are more comfortable doing this hot, then it's okay as long as you are aware you have to be quick.? In some cases the devices are stubborn and need plate or air heating in addition to an iron.? In those cases you would want to use a cooler iron... That is if you needed to preheat the device.? Usually that is only for QFN and BGA type devices.? We tend to avoid those in ham designs though, as they are best done as paste and stencil and floated down into place.? My directions were for smt parts with leads.? Pads are a different story.? My point is that the type of chip that the CPK-3 uses is easy to do if you use my method. At some point we will only see those types available and even though DIP adapters can be used fairly easily in projects and are readily available, you'll still need to be able to solder the chip to the adapter.? It's a good technique to learn because of this!? Hopefully this is what you are looking for in a response.?
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Re: CPK-3 SMD pre-assembled
The WTCP was a grounded station and though there are much better out there now, it was one of the first proper temperature controlled stations out there and is still suitable for the task with the correct tip.? When doing SMT work, being on the small parts for short durations is of course a good idea.? If you are more comfortable doing this hot, then it's okay as long as you are aware you have to be quick.? In some cases the devices are stubborn and need plate or air heating in addition to an iron.? In those cases you would want to use a cooler iron... That is if you needed to preheat the device.? Usually that is only for QFN and BGA type devices.? We tend to avoid those in ham designs though, as they are best done as paste and stencil and floated down into place.? My directions were for smt parts with leads.? Pads are a different story.? My point is that the type of chip that the CPK-3 uses is easy to do if you use my method. At some point we will only see those types available and even though DIP adapters can be used fairly easily in projects and are readily available, you'll still need to be able to solder the chip to the adapter.? It's a good technique to learn because of this!? Hopefully this is what you are looking for in a response.?
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Re: ADX-S kit almost complete. I am impressed
Ooh... That daughterboard is very sexy!? Once you release that I will order multiples.? I have others interested locally, too!? ?This is something needed for all of those Adafruit clone boards!? Like I said before, this is something that I have been shocked that it hasn't been done before and is sold everywhere!?
I can see how a TXCO make or break for WSPR.? I took the ADX-S to my weekend house with the better antennas (which I plan on retiring to once the world settles down more and I am financially able to), and realized that I didn't have anything to calibrate it with.? I ended up using the 200 Hz WSPR band on 20m to do this which was kind of painful, really.? But I did notice the drift on that mode even just receiving.? It's probably okay for monitoring but you'd drift all over the place transmitting without the TXCO on WSPR.? It's not really noticeable on FT4 and FT8.?
The ADX-S is pretty slick... It's easier to deal with than the QDX Rev 1 was... I can fix anything that goes wrong with it and modify it to my hearts content which isn't really the case with the QDX.? It's also much easier to build. Don't worry about the two things I mentioned.? Once I looked and saw both parts were available on Amazon, I needed to get them for my "junk box" stock anyway.? I rather like the standoffs and for the simpler projects the buttons and caps are better than the panel mount buttons I had been using.?
As far as a calibration routine on the ADX-S I am considering a modification to the code to allow you to zero beat WWV on 10 or 15 MHz on receive... It might be handy for doing this in the field rather than using a different receiver or counter to sync the 1 MHz signal.? ?That or using the wspr window...?
That's of course a change to the original ADX and not on you at all.? It's amazing that SSB and AM through it works as well as it does too, just by hooking up an amplified speaker.? That little IF chip has many potential applications.? It works better than it should.? ?Have some on their way from China to further experiment with.? ?Thanks for the fun kit.? ?Looking forward to the TXCO board!
Fred W0FMS/7
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Re: CPK-3 SMD pre-assembled
Hi Fred, Thanks for the tutorial.? I have a question for you and the group.? I haven't done as much PCB soldering as many of you but I have built Knightkits and Heathkits many years ago as well as some homebrew and repairs.? I have, however, done a lot of soldering when I did arcade video game repair, conversion and construction for many years.? Most of that soldering was wiring harness and card edge connectors with some PCB repairs and mods.? I used Multicore 63/37 solder with mildly activated flux in .032 diameter and a Weller WTCP station.? Whether doing PCBs or card edge connectors I found I did my best soldering using high heat.? I would pre-tin where appropriate and then go in with the hot pencil and reflow, with extra flux if needed and I would get a nearly immediate bright and shiny joint and I would remove the pencil very quickly.? I've never really understood the logic of lower heat as it seems to me you must stay on the solder joint longer and pour more heat into the component and board.?? I would like everyone to please share all opinions of the do/don'ts of soldering components to PCBs, both through hole and SMT. Thanks for any input. Jim WB4ILP?
The trick to mounting a SMT IC like that is to tack solder one of the pins when wiggling it into place.? Once it's straight on the board, you want to tack a second pin.? Ugly is fine.? Then generously apply liquid flux (this is critical) at all pins.? Then from the opposite side of the tacks flow a ball of solder down the chip.? Do the same for the other side of the chip, redoing the tacks.? If you bridge pins when rolling the ball of solder down the pins, then go back and pull the solder outwards from the chip.? If that still doesn't work, more liquid flux and solder wick will fix that.
It's actually pretty easy.? Probably easier than soldering a DIP IC once you have done one. Clean of the flux with Naptha (Zippo lighter fluid) or similar after soldering.?
The other way is to use paste solder, a stencil and hot air.? If done correctly that works great too.? But this isn't hand soldering.?
I encourage everyone to learn how to do this.? Liquid flux, my good people.? It's your friend when doing SMT work!?
If you can't focus anymore like me at almost 55 close in, then also get a microscope with a screen on it.? Verify that the chip is on straight before rolling the solder ball down both sides.? ?Inspect when you are done. It'll look like a wave machine did it if you follow these instructions.?
Fred W0FMS/7
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Re: ADX-S kit almost complete. I am impressed
Hi Fred,
Thanks for your feedback. It seems I should change the stand-off supplier as I have found another defect which is a good catch before it makes trouble on your end. Sorry for that.
The receiver is quite sensitive as it works with a small whip antenna in its regular scenario. What I have modified is to add ATT and AGC back. It is useful for a fair ham radio antenna.
It is not a problem to support 80 meter band. Just a few lines of code change. The filter design can be found too.
Have fun with your kit. Some people use it as a WSPR TRX. After you add TCXO mod, you will be able to transmit at 33dBm instead of 23dBm. It will be available for order very soon.
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在 2024年2月18日，11:57，Fred Spinner <fred.spinner@...> 写道：
?I have the ADX-S almost completed.? The bad: I had a defective stand off with no threads and was missing a gray button cap.? The good:? I am not complaining because I liked what came with the kit so much I wanted some for my own projects, anyway!? So I ordered a 3mm brass standoff set as an assortment and also buttons with caps assortment off of Amazon US.? I changed the colors of the LEDs on the mode display to green, and the gray buttons to blue because I could.? I am actually quite impressed with the receiver on the kit.? For how simple it is, it works very well.? I have 10 more of those CD2003 IF chips coming from China once the holiday is over.? I have a bunch of ideas for them.? The superhet mod works better than I thought it would, too.? I could be wrong but the receiver was a tad bit better than on my (tr)uSDX.? ?It's perfectly good for FT-8 that is for sure.? I have been able to run a USB 2.0 hub with a OTA adapter to type C and a USB 3.2 hub type C off the Android phone driving a CM108 chipset USB sound card and CAT on the ADX-S no problem with FT8CN (and also on windows and Linux).? It's pretty slick.? That stuff fits in a "sandwich" box that's about the same size as the ADX-S and all I need to do is plug in the hub cable to the phone or laptop to use it now!? Almost done because I haven't populated the 74ACT244 and three final BS-170s yet, and have just been burning in the RX.? I want to perfectionist tweak the 7 band filters first.? I am assuming that a 4 to 1 unun on the finals side of a filter fixture to hook all of the 7 filters up to will be the proper way to go with a NanoVNA.? Is there any reason I can't build up a 80m filter for this too?? ?I am going to try it.? I was easily hearing Europe, South America, North America and Africa this evening on 20m with the ADX-S receiver from SE Arizona.? It's actually an easy kit and so far every part of it worked first try.? The code is easily modified.? (old bootloader, Nano on the Arduino IDE.)? One thing to note is that the CAT will not work without the si5351 board being attached, so trying to test the Nano before putting on the board isn't possible unless you reflash the code to test the board!? Nice job Adam! Fred W0FMS/7
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ADX-S kit almost complete. I am impressed
I have the ADX-S almost completed.? The bad: I had a defective stand off with no threads and was missing a gray button cap.? The good:? I am not complaining because I liked what came with the kit so much I wanted some for my own projects, anyway!? So I ordered a 3mm brass standoff set as an assortment and also buttons with caps assortment off of Amazon US.? I changed the colors of the LEDs on the mode display to green, and the gray buttons to blue because I could.? I am actually quite impressed with the receiver on the kit.? For how simple it is, it works very well.? I have 10 more of those CD2003 IF chips coming from China once the holiday is over.? I have a bunch of ideas for them.? The superhet mod works better than I thought it would, too.?
I could be wrong but the receiver was a tad bit better than on my (tr)uSDX.? ?It's perfectly good for FT-8 that is for sure.?
I have been able to run a USB 2.0 hub with a OTA adapter to type C and a USB 3.2 hub type C off the Android phone driving a CM108 chipset USB sound card and CAT on the ADX-S no problem with FT8CN (and also on windows and Linux).? It's pretty slick.? That stuff fits in a "sandwich" box that's about the same size as the ADX-S and all I need to do is plug in the hub cable to the phone or laptop to use it now!?
Almost done because I haven't populated the 74ACT244 and three final BS-170s yet, and have just been burning in the RX.? I want to perfectionist tweak the 7 band filters first.? I am assuming that a 4 to 1 unun on the finals side of a filter fixture to hook all of the 7 filters up to will be the proper way to go with a NanoVNA.?
Is there any reason I can't build up a 80m filter for this too?? ?I am going to try it.?
I was easily hearing Europe, South America, North America and Africa this evening on 20m with the ADX-S receiver from SE Arizona.?
It's actually an easy kit and so far every part of it worked first try.? The code is easily modified.? (old bootloader, Nano on the Arduino IDE.)? One thing to note is that the CAT will not work without the si5351 board being attached, so trying to test the Nano before putting on the board isn't possible unless you reflash the code to test the board!?
Nice job Adam!
Fred W0FMS/7
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Shirley Dulcey KE1L
Fred Spinner
