[hpsdr] mercury-EU synchronized with mercury-TAPR
Phil Harman
phil at pharman.org
Tue Feb 1 05:02:23 PST 2011
Hi Wully,
Congratulations on getting both models of Mercury board working. I expect
you can see from the USB protocol how Mercury either provides or receives a
10MHz clock from C16. Sorry but I can't answer your question re Mercury-EU.
73 Phil....
----- Original Message -----
From: "wully" <wully at bluewin.ch>
To: <k5so at valornet.com>; <phil at pharman.org>; <g.loch at nt-electronics.de>;
<hpsdr at lists.openhpsdr.org>
Sent: Tuesday, February 01, 2011 6:24 PM
Subject: mercury-EU synchronized with mercury-TAPR
> Hi Joe, Phil, Gerd
>
> Today, I have for the first time synchronized mercury-TAPR with
> mercury-EU, so that diversity receiption using both boards is possible.
> Using a HF generator feeding to both boards, I can control the phase and
> amplitude of both IQ-Streams such that the signal will vanish at a
> particular combination of phase and amplitude of diversity control.
>
> So, I think, that now we have seen, that both mercuries can run in
> parallel and be used in diversity experiments.
>
> I am using the ozy version 61 and the mercury version 63 from Joe, K5SO.
>
> Qestions
> 1) How is the feed of the 10MHz-clock from mercury-TAPR controled? I see,
> that when the fpga is loaded an initialized, the 10MHz clock is on Atlas
> C16. (In this moment, there is not yet running DSP software at all).
> When I will use Excalibur, the 10MHz clock has to come from there, how can
> I switch off the feed from mercury-Tapr?
> (I am using my own DSP-Software in combination with a modified server.exe
> from John Melton).
>
> 2) Is there a 10MHz clock on the mercury-EU available? If yes, how ist
> this clock controled for the feed of Atlas C16?
>
> 73, Alfred, HB9EPU
>
>
> P.S. Phil, I am very pleased with your work on Metis. I have just started
> studying the protocol so as to connect my program through Metis directely.
> The HPSDRProgrammer is a really nice piece of software! (Thanks also John
> Melton).
>
>
>
>
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