Author Topic: Hantek - Tekway - DSO hack - get 200MHz bw for free  (Read 651006 times)

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Offline tinhead

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #750 on: July 26, 2011, 10:18:39 PM »
placeholder ?
check next page to see why ..
« Last Edit: July 26, 2011, 10:28:41 PM by tinhead »
I don't want to be human! I want to see gamma rays, I want to hear X-rays, and I want to smell dark matter ...
I want to reach out with something other than these prehensile paws and feel the solar wind of a supernova flowing over me.

Offline tinhead

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #751 on: July 26, 2011, 10:18:56 PM »
here we go ...

A complette schematic of Hantek / Tekway hw revision 1.02 and 1.0.3

attached PDF file, if someone need it as Altium version please let me know.

In the schematics are all modules (from PSU to 1kHz out) included, double checked,
however if you find an error let me know please.

I hope i will find time to create similar schematics of HW revision 1.0.7, however not yet, i'm waiting
for these new BM/BMV models (as i think they hw 1.0.7 based)

Have fun!

« Last Edit: July 26, 2011, 10:24:36 PM by tinhead »
I don't want to be human! I want to see gamma rays, I want to hear X-rays, and I want to smell dark matter ...
I want to reach out with something other than these prehensile paws and feel the solar wind of a supernova flowing over me.

Offline A Hellene

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #752 on: July 26, 2011, 10:46:04 PM »
This is a wonderful piece of work, tinhead!
Thank you!

Now, I guess that I will have to run to catch up with you, regarding my abandoned Rigol schematics project! :P


-George
« Last Edit: July 26, 2011, 10:49:05 PM by A Hellene »

Offline marmad

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #753 on: July 27, 2011, 01:32:55 AM »
Amazing work, Tinhead.

I am thinking right now of jumping to the Hantek scope (returning the damn flickering screen Rigol).  Do you know what the latest word is on the SDK?

Offline rf-loop

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #754 on: July 27, 2011, 03:01:24 AM »
This is wonderful  work!

This is really useful also for service these scopes.

Thank you tinhead!

------

Do anybody have any knowledge or experience about external monitor for this scope?
Something littlebit like this VGA Converter Module for mini2440 S3C2440 ARM9 Board
.  Is it possible to connect? Example in use where want more big display and not at all use own TFT.
EU: Siglent and some selected Owon models what we have adopted. All with our lab deep Q.C. in Finland.  Also surplus test equipments.  Repair and modification service.  Local Owon SDS-Series and Siglent  repair service for our customers.  We do not sell outside EU.
(aka: aghp, aghp55)

Offline amigo

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #755 on: July 27, 2011, 07:07:59 AM »
tinhead,


Offline saturation

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #756 on: July 27, 2011, 07:18:48 AM »
A googol of thanks, tinhead, for the schematics! 

Best Wishes,


Saturation

Offline colinbeeforth

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #757 on: July 27, 2011, 12:44:52 PM »
Ah! tinhead, you are such a gentleman!  Many thanks for the circuit information, it helps hugely to understand how this machine works.  Thank you again!
Colin

Offline Gall

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #758 on: July 28, 2011, 03:16:23 AM »
Many, many, many THANKS!!! Wonderful! I'm really impressed.
The difficult we do today; the impossible takes a little longer.

Offline ECL

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #759 on: July 28, 2011, 07:42:17 AM »
A complette schematic of Hantek / Tekway hw revision 1.02 and 1.0.3

Wow, a truly massive effort!!!

Thanks tinhead, for all of the parts you lifted, nights you spend buzzing out traces,
eye strain, mouse cramps, solder burns, blood loss, grumpy spouse(s), and most of all,
thanks for sharing!  :)

It will help us all to contribute, and piggy-back on your efforts,

ECL  -K

Offline tinhead

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #760 on: July 28, 2011, 08:15:28 AM »
yeah, it was a bit more work than expected, probably it would be easier and cheaper to
ask kikitronix (ebay 280312142026) instead of pinging two weeks long the PCB.
I don't want to be human! I want to see gamma rays, I want to hear X-rays, and I want to smell dark matter ...
I want to reach out with something other than these prehensile paws and feel the solar wind of a supernova flowing over me.

Offline Gall

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #761 on: July 28, 2011, 09:55:29 PM »
Hm. Why CPLD? Why not FPGA only? Did they save some pins? They seem to have XBUS which is quite wide.
The difficult we do today; the impossible takes a little longer.

Offline tinhead

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #762 on: July 28, 2011, 10:43:58 PM »
Hm. Why CPLD? Why not FPGA only? Did they save some pins? They seem to have XBUS which is quite wide.

pick one or more:

- FPGA full
- bigger FPGA costs more than extra CPLD
- Timing for SRAM important
- semi parallel data transfer
- FPGA not full but timing constraints not allowing to have these additional blocks within FPGA
- others (like Rigol) are using CPLD too (lazy developer? no i don't think so, but there is a reson)

Xbus seems to be 16 bit + 3 bit control, all these CPLD pins are on input (when i disable FPGA).
Address counter probably triggered by FPGA, i have to check that in detail.
« Last Edit: July 28, 2011, 10:46:34 PM by tinhead »
I don't want to be human! I want to see gamma rays, I want to hear X-rays, and I want to smell dark matter ...
I want to reach out with something other than these prehensile paws and feel the solar wind of a supernova flowing over me.

Offline nukie

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #763 on: July 28, 2011, 11:57:54 PM »
Tinhead - I am speechless... all I could say is, thank you for your work and support to make this wide screen DSO so valuable.

Offline tinhead

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Re: Hantek - Tekway - DSO hack - get 200MHz bw for free
« Reply #764 on: July 29, 2011, 02:49:56 AM »
Tinhead - I am speechless... all I could say is, thank you for your work and support to make this wide screen DSO so valuable.

you welcome, all of you. To be very honest i'm not doing this because of money (i hope my fiancée never check
all these invoices of dev boards, jtag and so on ) or because i hope on nice gift from Hantek or Tekway
(not that i will reject one, ehm now after i published schematics i will be happy if i don't get an asskick ...)
but only because i think these DSOs are good value for money.

Additionaly (i think)  i'm somehow responsible for better sales numbers, where on the other side i know they losing
some money because of the hack, so therefore my support as a kind of compensation.

I don't want to be human! I want to see gamma rays, I want to hear X-rays, and I want to smell dark matter ...
I want to reach out with something other than these prehensile paws and feel the solar wind of a supernova flowing over me.


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