[hpsdr] protocol 2 for Hermes

[Scott Traurig]

More details on the fuse problem are available here:

https://apache-labs.com/community/viewtopic.php?f=17&t=2354&p=2381&hilit=fuse#p2381

73,

Scott/w-u-2-o


On Thu, Apr 27, 2017 at 3:29 AM, Helmut <dc6ny at gmx.de> wrote:

> ***** High Performance Software Defined Radio Discussion List *****
>
> Hi,
>
> I agree with Marvin that no hardware modification seems necessary. Running
> here Hermes from a 13.8V DC source, all onboard voltage regulators work
> fine and sufficiently 'cool'.
> RX and Tx functions seem ok after a quick test, but obviously DUP RX is
> still cancelled due to the lack of room in the FPGA. In my eyes DUP for
> real-time monitoring of the TX spectrum is indispensable. I repeat my
> suggestion to use the feedback RX of Pure Signal for this purpose.
>
> Thanks guys in advance.
>
> 73, Helmut, DC6NY
>
>
> -----Ursprüngliche Nachricht-----
> Von: Hpsdr [mailto:hpsdr-bounces at lists.openhpsdr.org] Im Auftrag von John
> Marvin
> Gesendet: Donnerstag, 27. April 2017 06:51
> An: hpsdr at lists.openhpsdr.org
> Betreff: Re: [hpsdr] protocol 2 for Hermes
>
> ***** High Performance Software Defined Radio Discussion List *****
>
> Note that as far as the power supply issue is concerned regarding the
> original Hermes, I don't think there is any hardware change that needs
> to be made to the board itself. It's a matter of setting the right
> jumpers and providing an external supply capable of delivering both a
> regulated 12V supply and a regulated 5V supply. The details regarding
> this can be found in the Hermes manual.  So no SMD soldering is
> required, but some external hardware changes will need to be made, the
> difficulty of which will depend on your current power supply and the
> case you are currently using.
>
> It does sound like owners of original Hermes boards would need to do
> some soldering to replace the resettable fuses. I'd certainly like more
> details regarding that, since my primary transceiver is based on a TAPR
> produced Hermes board and I would like to be able to run multiple
> receiver slices at maximum sample rates, which would require the use of
> 1Gbit networking.
>
> Regards,
>
> John
> AC0ZG
>
>
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