Op 26-7-2011 20:45, Stewart Bryant schreef:
On 26/07/2011 09:48, pa3abk wrote:
Via internet I bought a SG1005 DDS signalgenerator.
It produces a sinus/tri-angle/block from 0,01Hz to 5MHz in 0,01Hz steps.
It can perfectly drive the GW3UEP 100W 600m PA, for which I intend to
use it.
It's a very cheap device (around €35,00 free shipping fm CN) however it
comes with no diagram or info.
(Everything has it's price!)
On the PCB there is a connection for some sort "communication" with a PC
or whatever, but have no info how to adress/connect it.
The two main chips are STM8S103 and the Altera MAX II EPM240T100C5N.
I Googled very deeply but didn't get that info I required.
Maintarget is to generate WSPR with it.
Does anyone in the group SG1005 device and succeeded to generate the 4
WSPR freqs from it?
Jan/pa3abk
Jan
Have you tried asking at [email protected]
Stewart/G3YSX
Thanks Stewart for you suggestion.
I see what you mean, that's the "real one".
The one I have got, has far less specs.
To give you an idea :
http://iteadstudio.com/evaluation/hack-the-sg100x-dds-signal-generator/
BTW it comes with a displaycounter on top ( 60MHZ) which is removed on
these pics.
For some reason China produced a mass of these, have no clue in what
kind of equipment it's used.
The specs are to low for measurement equipment. Some sellers state, they
stock over 10.000 pcs.
A t the moment it's a nice "x-tal oscillator replacement kit". The
startup frequency can be programmed.
Jan/pa3abk
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pa3abk<-> dordrecht jo21it
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