[hpsdr] 14bit Hermes Schematic?

[Martin Emmerson]

OK Helmut,
   I understand your feelings but you should really try the latest Thetis
from here:
https://github.com/TAPR/OpenHPSDR-Thetis/releases
It keeps getting better unlike windows 10 which keeps getting worse! I have
postponed
updates on my PC for 35 days...
I suppose the best solution is a dedicated PC NOT connected to the Internet?

73's

Martin G3OQD.

On Wed, 6 Nov 2019 at 15:20, Helmut <dc6ny at gmx.de> wrote:

> Ok Martin,
>
>
>
> at the next opportunity I‘ll make the test and let you know what the
> result is.
>
> I lost fun with Thetis since I experienced some ‘instabilities’ with the
> Hermes
>
> boards, while PowerSDR works fine me. It was also time-consuming for me
>
> that Thetis beta versions struck after some of these automatic  win10
> updates. Currently I’m playing more with my LimeSDR via the satellite
> QO-100, hi.
>
>
>
> Happy testing.
>
>
>
> 73, DC6NY
>
>
>
> *Von:* Martin Emmerson [mailto:martinhemmerson at gmail.com]
> *Gesendet:* Mittwoch, 6. November 2019 13:19
> *An:* Helmut
> *Cc:* Sebastien F4GRX; hpsdr at lists.openhpsdr.org
> *Betreff:* Re: [hpsdr] 14bit Hermes Schematic?
>
>
>
> Thanks Helmut,
>
>    For the information!
>
> Yes, I tried V10.3 on my 16bit Hermes and although it worked I still had
> the same
>
> problem with PS not always working!
>
> The way I test is, without any PA running, I select "PA-A" then from the
> "Linearity" menu
>
> I just press "Two-tone" and when PS is working I get a "Correcting" in
> yellow and a
>
> "Feedback" in red appear to the right under the spectrum display.
>
> I just did this test ten times and five time it worked and five it did not
> (the yellow correcting
>
> goes out and the red Feedback does not appear)...
>
> I am using the latest Thetis v2.6.8 but I have had the same problem on all
> previous versions...
>
> This problem is the same on three different (all home built) boards
>
>
>
> If you ever try this test on your 14bit Hermes I would be interested in
> the result?
>
> It is a bit like tossing a coin, you can get a run or tries when it always
> works but
>
> over a number of tries it always seems to average out to roughly %50 -
> strange.
>
> I am now messing about with the Verilog firmware code - certainly learning
> something
>
> but not fixed the problem yet..........
>
>
>
> 73's
>
>
>
> Martin G3OQD.
>
>
>
>
>
>
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