Date   
Re: SDR Micron - 14-bit Direct Digital Conversion Receiver with USB connection

fei666888@...
 

确保包装正确,因为此开关在hackrf one上广泛使用,并且RF路径上是否有DC?

Re: SDR Micron - 14-bit Direct Digital Conversion Receiver with USB connection

David Turner
 

Hi David.
Have you seen this on Skywork page?. Please note: SKY13350-385LF is being discontinued and is not recommended for new designs. The suggested replacements are SKY13453-385LF and SKY13351-378LF.
I hope you haven't bought too many. 

Dave.
g0vvf.

On Friday, 5 June 2020, 04:43:26 BST, David Fainitski <rolin791@...> wrote:


Hi. I have ordered second board iteration .
I have found SKY13350 switches don't work properly. After power up all 3 poles are connected each other, no reaction on control voltage, 0V on input and outputs .
After changing the control voltage left-right they start to work and on input/outputs pins 3 Volt voltage.
I don't know how those switches should to work correctly and what to do to avoid undefined statment after power on.
I did not find a techical support by Skywork solution.

Re: SDR Micron - 14-bit Direct Digital Conversion Receiver with USB connection

David Fainitski
 

Hi. I have ordered second board iteration .
I have found SKY13350 switches don't work properly. After power up all 3 poles are connected each other, no reaction on control voltage, 0V on input and outputs .
After changing the control voltage left-right they start to work and on input/outputs pins 3 Volt voltage.
I don't know how those switches should to work correctly and what to do to avoid undefined statment after power on.
I did not find a techical support by Skywork solution.

Re: SDR Micron - 14-bit Direct Digital Conversion Receiver with USB connection

fei666888@...
 

Hi What is the progress of the Surper VHF board?

Re: Buy Odyssey 2 SDR Kit

Reto HB9TRT
 

Hi Rob

I ordered The Stecil, but I think I have to less time for all Parts. It should go fast if the solder paste is applied. I heared it should be "baked" maximum after 30 Minutes. So I think we only place the IC's and maybe resistor networks or other small parts. The rest as usual, soldering manual. 

The project is now on ice because I have to wait for the equipment. And I must do some tests before I produce the Odyssey board. Some tests with smaller PCB's and with less expensive chips. Maybe a UI Board of a Sparrow or something like that. 

vy 73
Reto

Re: Buy Odyssey 2 SDR Kit

Robson Pereira
 

Hi Reto,

The contact for the stencil is Nicole, email "nicole"  AT  "jlcpcb.com"

73,
Rob


On Thu, May 28, 2020 at 11:43 PM Reto HB9TRT <hb9trt@...> wrote:
Hi Rob, 

There's no full email address for the stencil contact. Because we no decided to "cook" the pcb in a oven it makes sense to place the other components also to tghe board with solder paste. But I think it's no ned to apply solder paste to the BGA pads. SO the top side will be "produced" this way, tghe few parts on the backside manualy. 

BOM: I'll send it on the weekend, because I have to edit it first. And: from some parts the number of parts are not correct. This is an intension, because this parts are cheaper if you take 10 oder 50 or 100 pieces and can be used later also in other projects (Resistores, Capacitors...) If you like to order only the numebers used for the project, you have to adjust the file. 

It will be a pdf and/or csv. Maybe there's a possibility to share a basket in the digikey/mouser portal. I see this before. Very easy to order. 

vy 73
Reto

Re: Buy Odyssey 2 SDR Kit

Reto HB9TRT
 

Hi Rob, 

There's no full email address for the stencil contact. Because we no decided to "cook" the pcb in a oven it makes sense to place the other components also to tghe board with solder paste. But I think it's no ned to apply solder paste to the BGA pads. SO the top side will be "produced" this way, tghe few parts on the backside manualy. 

BOM: I'll send it on the weekend, because I have to edit it first. And: from some parts the number of parts are not correct. This is an intension, because this parts are cheaper if you take 10 oder 50 or 100 pieces and can be used later also in other projects (Resistores, Capacitors...) If you like to order only the numebers used for the project, you have to adjust the file. 

It will be a pdf and/or csv. Maybe there's a possibility to share a basket in the digikey/mouser portal. I see this before. Very easy to order. 

vy 73
Reto

Re: Buy Odyssey 2 SDR Kit

Reto HB9TRT
 

Delivery Restrictions: Mouser does not sell this product in your region.


vy 73
Reto

Re: Buy Odyssey 2 SDR Kit

Reto HB9TRT
 

Hi David, 

You're right. This is for the USA ok, maybe some other countries also. But not for europa. MOuser can't sell this part to european customers. We have to order it at mini.circuits UK. 

vy 73
Reto

Re: Is this project active?

Robson Pereira
 

Hi David,

The part list for Hermes Lite is pretty cheap as they are using a 12-bit modem chip which costs $5  :)

While Ody-2 uses more sophisticated components.

73,
Rob


On Wed, May 27, 2020 at 10:06 PM David Fainitski <rolin791@...> wrote:
Hello,  Rob
Yeah,  for Hermes Lite the price is pretty reasonable,  but not for Ody-2.

Re: Buy Odyssey 2 SDR Kit

David Fainitski
 
Edited

Reto,  it is here
https://www.mouser.com/ProductDetail/Mini-Circuits/RLP-50%2b?qs=xZ%2FP%252Ba9zWqZakUkAWb%2FLDg%3D%3D

Re: Is this project active?

David Fainitski
 

Hello,  Rob
Yeah,  for Hermes Lite the price is pretty reasonable,  but not for Ody-2.

Re: Buy Odyssey 2 SDR Kit

Reto HB9TRT
 

Hi Rob, 

I can do that if it's in a aceptable layout. NOw I have the basket file of digikey, the mouser articles I have to add manualy. I'll put it here asap im ready with it. 

Stencil: I think I don't need it because I'll solder the parts manualy. But maybe I change my mind and "cook" the Odyssey in the oven ;) Because this will not be a speed built project I have time. Now all parts arrived from Mouser and Digikey. So most parts are ready to solder. I miss only the filter modules. 

vy 73
Reto 

Re: Is this project active?

Robson Pereira
 

Hi David,

I suspect that if we contact makerfabs in China and provide PCB, Part List and some support, they would probably be able to sell the complete product at reasonable price (guessing $700 with enclosure)

They fabricate Hermes Lite 2

73,
Rob

On Mon, May 25, 2020 at 2:30 PM David Fainitski <rolin791@...> wrote:
Hello, Reto
Here you can find a BGA soldering masterclass wich I've done couple weeks ago 
https://www.youtube.com/watch?v=0bylXoYtRao&t=4s

You have to use the latest version of Bootloader FW and MCU FW. You can have up to 3 different working FW in this device at the same time, preffered to use the latest version but it is not important.
The latest version of working FW may have important opernHPSDR protocol updates.

I am current owner and user Odyssey-2 and if it becomes necessary to correct a mistake or modify something, I will do it very quickly.

 

Re: Buy Odyssey 2 SDR Kit

Robson Pereira
 

Hi Reto,

Could you send me the Order List for Digikey and Mouser?

For BGA reflow, I plan using a Reflow Oven T962a ($300) and I think the smaller Reflow Oven T962 ($200) would work too.


You can also try ordering a stencil for the Odyssey2 from China. It costs $30 shipped but it took a month to arrive.

Here is the contact for the stencil (picture attached):

 Contact: nicole@...
 Order Number:SO200209123998-2916005A
 1 pcs $14.25
 Stencil issue 2916005A SO200209064
 Production file: Odyssey2-SO200209123998

73,
Rob





On Tue, May 26, 2020 at 1:36 PM Reto HB9TRT <hb9trt@...> wrote:
Hello Maurizio

I only can help you with a PCB. In our group we build in the next weeks a Odyssey TRX. And I also can send you my Order List for Digikey and Mouser. The filter I ordered at mini-circuits in UK. And our kits are ready. There are many youtube videos how to solder the BGA. Also one from David. We have the same probem. How to solder the BGA. But I think it's possible. If not, you' may find a person near you, who is eqiped with the tools and can do this for you. 
I also looking here, because I have no equipent at the moment. If I find one who does it for us, maybe he can do it also for you and I can send you a PCB with BGA installed. But at the moment this is only a theory. Im searching for a solution. 

vy 73
Reto

Re: Buy Odyssey 2 SDR Kit

Reto HB9TRT
 

Hello Maurizio

I only can help you with a PCB. In our group we build in the next weeks a Odyssey TRX. And I also can send you my Order List for Digikey and Mouser. The filter I ordered at mini-circuits in UK. And our kits are ready. There are many youtube videos how to solder the BGA. Also one from David. We have the same probem. How to solder the BGA. But I think it's possible. If not, you' may find a person near you, who is eqiped with the tools and can do this for you. 
I also looking here, because I have no equipent at the moment. If I find one who does it for us, maybe he can do it also for you and I can send you a PCB with BGA installed. But at the moment this is only a theory. Im searching for a solution. 

vy 73
Reto

Re: Is this project active?

Reto HB9TRT
 

Hi Leo, 

Thanks for your answer. Yes, we stand at the total beginning. complex solderwork is normaly no problem, but BGA is the firt time, and before I kill a over 100$ chip I first make some prepeartions, and look arround how others did this work. It's completely no need to finish this project in the next days. I also thinking of buying a cheap BGP soldering "machine", because we built here several pieces because we are an international group of HAM's who built together since years. Most of them comes from the UHSDR project. We bult many boards and complete TRX based on the UHSDR software, but som with modifications or other formfactors. Also a very nice project and much easier than the odyssey, but also not for beginners. 
The last TRX I built is a Sparrow 4 Inch. Also very portable (formfactor of a KX2 from Elecraft), 20W output and all HAM Bands (6m only RX or very littel output, because the PA is not usable for 6m). There's a 4 Inch Touch Display with Waterfall and Spectrum and many other nice functions like built in FreeDV. 



Left: SParrow 3.5 Inch
Right: Sparrow 4 Inch

Vy 73
Reto/HB9trt

Re: Is this project active?

Leo Goto
 

Hi Reto,

For FPGA soldering, in my case I set the hot plate to 240 degrees and
put it on the hot plate for about 3 minutes. Then raise the board up.
The point is to raise it so that it doesn't slip when you give it above.
Also, instead of placing the board directly, it is placed on a jig made
of aluminum plate and can be moved by hand.
I made two Odyssey and two Odyssey2. David gave me a lot of advice on
how to make it. Thank you very much.
I don't have a photo that I made soldering, but here is a photo after
soldering.

http://travelx.org/DSP_Radio/Odyssey/DSCN2858.JPG
http://travelx.org/DSP_Radio/Odyssey/IMG_20170829_132909.jpg
http://travelx.org/DSP_Radio/Odyssey2/dyssey2_fpga.jpg

Regards, Leo/WH2Q 73.

On Tue, 26 May 2020 00:15:12 -0700
"Reto HB9TRT" <hb9trt@...> wrote:

Hello David,

Thanks for your Answer. I wathced the Video, but don't understand you speaking ;) But I see the video and I think I have understand how to do it now. It seems impossible to work without preeheating plate. So I'll looking for any or for a cheap BGA station. maybe in future I'll need it more times.
The Odyssey project is very interesting and so we decided here to start this also, after a few years you present it. Because most infos are in russian language it was not quite esay to collect all information. BUt think google translate we also had a chance to read your Forum/website. Finaly I found this group here which ist in english.

now i think we can start the project. most parts are ordered at digikey and mouser. Some from other places, because not found at this two distributors.

Hope we have success with this project. It's the first time working with a BGA, and also building a direct sampler. The last projects are mchf based, UHSDR and also similar projects from SP3OSJ. Also very interesting stand alone TRX, but no direct samplers ;)

vy 73
Reto


--
Leo Gotoh <LeoGoto@...>
http://travelx.org

Re: Is this project active?

Reto HB9TRT
 

Hello David, 

Thanks for your Answer. I wathced the Video, but don't understand you speaking ;) But I see the video and I think I have understand how to do it now. It seems impossible to work without preeheating plate. So I'll looking for any or for a cheap BGA station. maybe in future I'll need it more times. 
The Odyssey project is very interesting and so we decided here to start this also, after a few years you present it. Because most infos are in russian language it was not quite esay to collect all information. BUt think google translate we also had a chance to read your Forum/website. Finaly I found this group here which ist in english. 

now i think we can start the project. most parts are ordered at digikey and mouser. Some from other places, because not found at this two distributors. 

Hope we have success with this project. It's the first time working with a BGA, and also building a direct sampler. The last projects are mchf based, UHSDR and also similar projects from SP3OSJ. Also very interesting stand alone TRX, but no direct samplers ;)

vy 73
Reto

Re: Is this project active?

David Fainitski
 

Hello, Reto
Here you can find a BGA soldering masterclass wich I've done couple weeks ago 
https://www.youtube.com/watch?v=0bylXoYtRao&t=4s

You have to use the latest version of Bootloader FW and MCU FW. You can have up to 3 different working FW in this device at the same time, preffered to use the latest version but it is not important.
The latest version of working FW may have important opernHPSDR protocol updates.

I am current owner and user Odyssey-2 and if it becomes necessary to correct a mistake or modify something, I will do it very quickly.