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<div dir="ltr" data-setdir="false">Hi All,</div><div dir="ltr" data-setdir="false">I have been using Hermes PS for years. You only need a relay on the rx to switch between the coupler and the main TR relay.</div><div dir="ltr" data-setdir="false">I have not used my Atlas dual RX set up since I got Hermes. i have all the modules except the filter module and the PS module. I have over sized linear power supply modules mounted in the case and interfaced to an AC input. Time to go down the road. PM me if interested. Frank WA1GFZ</div><div><br></div>
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On Sunday, May 28, 2023 at 04:03:37 PM EDT, hpsdr-request@lists.openhpsdr.org <hpsdr-request@lists.openhpsdr.org> wrote:
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<div><div dir="ltr">Send Hpsdr mailing list submissions to<br></div><div dir="ltr"> <a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a><br></div><div dir="ltr"><br></div><div dir="ltr">To subscribe or unsubscribe via the World Wide Web, visit<br></div><div dir="ltr"> <a href="http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org" target="_blank">http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org</a><br></div><div dir="ltr">or, via email, send a message with subject or body 'help' to<br></div><div dir="ltr"> <a ymailto="mailto:hpsdr-request@lists.openhpsdr.org" href="mailto:hpsdr-request@lists.openhpsdr.org">hpsdr-request@lists.openhpsdr.org</a><br></div><div dir="ltr"><br></div><div dir="ltr">You can reach the person managing the list at<br></div><div dir="ltr"> <a ymailto="mailto:hpsdr-owner@lists.openhpsdr.org" href="mailto:hpsdr-owner@lists.openhpsdr.org">hpsdr-owner@lists.openhpsdr.org</a><br></div><div dir="ltr"><br></div><div dir="ltr">When replying, please edit your Subject line so it is more specific<br></div><div dir="ltr">than "Re: Contents of Hpsdr digest..."<br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">PLEASE change your subject line in any replies to this digest to reflect the actual subject!!! Also please trim quotes of previous messages to a minimum necessary to maintain context. Remember: if you post using fancy rtf or html, it will not be read by Digest recipients without a big effort. We all thank you for this thoughtfullness.<br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">Today's Topics:<br></div><div dir="ltr"><br></div><div dir="ltr"> 1. PureSignal for HPSDR/Penelope/Mercury (Michael Carey)<br></div><div dir="ltr"> 2. Re: PureSignal for HPSDR/Penelope/Mercury (George Byrkit)<br></div><div dir="ltr"> 3. Re: PureSignal for HPSDR/Penelope/Mercury (Jim Sanford)<br></div><div dir="ltr"> 4. Re: PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr"> (laurence@nicklebyhouse.co.uk)<br></div><div dir="ltr"> 5. Re: PureSignal for HPSDR/Penelope/Mercury (George Byrkit)<br></div><div dir="ltr"> 6. Re: PureSignal for HPSDR/Penelope/Mercury (Helmut Oeller)<br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">----------------------------------------------------------------------<br></div><div dir="ltr"><br></div><div dir="ltr">Message: 1<br></div><div dir="ltr">Date: Sun, 28 May 2023 18:27:03 +0930<br></div><div dir="ltr">From: Michael Carey <<a ymailto="mailto:michaelcarey@internode.on.net" href="mailto:michaelcarey@internode.on.net">michaelcarey@internode.on.net</a>><br></div><div dir="ltr">To: <a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a><br></div><div dir="ltr">Subject: [hpsdr] PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr">Message-ID: <<a ymailto="mailto:53a5ff05-0e98-1e9e-8035-e8e936c84e6f@internode.on.net" href="mailto:53a5ff05-0e98-1e9e-8035-e8e936c84e6f@internode.on.net">53a5ff05-0e98-1e9e-8035-e8e936c84e6f@internode.on.net</a>><br></div><div dir="ltr">Content-Type: text/plain; charset="utf-8"; Format="flowed"<br></div><div dir="ltr"><br></div><div dir="ltr">Hi Everybody,<br></div><div dir="ltr"><br></div><div dir="ltr">Apologies if this has been asked/answered before... but is it possible <br></div><div dir="ltr">to use PureSignal on legacy HPSDR hardware?<br></div><div dir="ltr"><br></div><div dir="ltr">I picked up a pre-loved HPSDR at a buy & sell weekend in late 2018 <br></div><div dir="ltr">(Atlas, Metis, Penelope, Mercury, Excalibur, LPU and case). Firmware; <br></div><div dir="ltr">Metis 3.0, Mercury 3.4, Penelope 1.8.<br></div><div dir="ltr"><br></div><div dir="ltr">I'm using the setup with a Codan 4404 400W HF amplifier with great <br></div><div dir="ltr">on-air reports. I tend to limit most activity to the medium power <br></div><div dir="ltr">setting on the 4404 (100W PEP). Certainly not as convenient as using my <br></div><div dir="ltr">Icom IC-7100 but it is a LOT more fun!<br></div><div dir="ltr"><br></div><div dir="ltr">More recently I've been playing around with FreeDV and thought that <br></div><div dir="ltr">pre-distortion would help squeeze every Watt out of the amplifier with <br></div><div dir="ltr">the high duty cycle FreeDV modem transmissions, but I have noticed that <br></div><div dir="ltr">Disable Pure Signal is checked in Hardware Config and cannot be unchecked.<br></div><div dir="ltr"><br></div><div dir="ltr">I understand that this is all legacy hardware but I'm wondering if using <br></div><div dir="ltr">PureSignal is possible.<br></div><div dir="ltr"><br></div><div dir="ltr">73<br></div><div dir="ltr"><br></div><div dir="ltr">Michael<br></div><div dir="ltr">VK5LN<br></div><div dir="ltr">-------------- next part --------------<br></div><div dir="ltr">An HTML attachment was scrubbed...<br></div><div dir="ltr">URL: <<a href="http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/attachments/20230528/21fa7cbe/attachment-0001.htm" target="_blank">http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/attachments/20230528/21fa7cbe/attachment-0001.htm</a>><br></div><div dir="ltr"><br></div><div dir="ltr">------------------------------<br></div><div dir="ltr"><br></div><div dir="ltr">Message: 2<br></div><div dir="ltr">Date: Sun, 28 May 2023 07:44:31 -0400<br></div><div dir="ltr">From: "George Byrkit" <<a ymailto="mailto:ghbyrkit@chartermi.net" href="mailto:ghbyrkit@chartermi.net">ghbyrkit@chartermi.net</a>><br></div><div dir="ltr">To: <<a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a>><br></div><div dir="ltr">Subject: Re: [hpsdr] PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr">Message-ID: <036d01d99159$c52edd40$4f8c97c0$@chartermi.net><br></div><div dir="ltr">Content-Type: text/plain; charset="us-ascii"<br></div><div dir="ltr"><br></div><div dir="ltr">While it might be technically possible, there are lots of hurdles to<br></div><div dir="ltr">overcome, and PureSignal was not designed/implemented to work on the Mercury<br></div><div dir="ltr">receiver.<br></div><div dir="ltr"><br></div><div dir="ltr">1) PureSignal needs an additional phase/clock-synchronous receiver channel<br></div><div dir="ltr">to get the feedback to correct the signal. Mercury only has ONE receiver<br></div><div dir="ltr">channel. You'd have to hand-stack multiple Mercury boards to begin with...<br></div><div dir="ltr"><br></div><div dir="ltr">2) PureSignal needs more FPGA memory space for code and everything. A<br></div><div dir="ltr">Cyclone III doesn't really have that available for you.<br></div><div dir="ltr"><br></div><div dir="ltr">3) perhaps bus timing and all are also in the way.<br></div><div dir="ltr"><br></div><div dir="ltr">You should reach out to Dr Warren Pratt, NR0V, who implemented PureSignal.<br></div><div dir="ltr"><br></div><div dir="ltr">73,<br></div><div dir="ltr">George Byrkit, K9TRV<br></div><div dir="ltr"><br></div><div dir="ltr">-----Original Message-----<br></div><div dir="ltr">From: Hpsdr <<a ymailto="mailto:hpsdr-bounces@lists.openhpsdr.org" href="mailto:hpsdr-bounces@lists.openhpsdr.org">hpsdr-bounces@lists.openhpsdr.org</a>> On Behalf Of Michael Carey<br></div><div dir="ltr">Sent: Sunday, May 28, 2023 4:57 AM<br></div><div dir="ltr">To: <a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a><br></div><div dir="ltr">Subject: [hpsdr] PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr"><br></div><div dir="ltr">***** High Performance Software Defined Radio Discussion List *****<br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">------------------------------<br></div><div dir="ltr"><br></div><div dir="ltr">Message: 3<br></div><div dir="ltr">Date: Sun, 28 May 2023 09:12:11 -0400<br></div><div dir="ltr">From: Jim Sanford <<a ymailto="mailto:wb4gcs@wb4gcs.org" href="mailto:wb4gcs@wb4gcs.org">wb4gcs@wb4gcs.org</a>><br></div><div dir="ltr">To: <a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a><br></div><div dir="ltr">Subject: Re: [hpsdr] PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr">Message-ID: <<a ymailto="mailto:7dc0ae18-b945-1fb0-0b51-0ebec24eff6a@wb4gcs.org" href="mailto:7dc0ae18-b945-1fb0-0b51-0ebec24eff6a@wb4gcs.org">7dc0ae18-b945-1fb0-0b51-0ebec24eff6a@wb4gcs.org</a>><br></div><div dir="ltr">Content-Type: text/plain; charset=UTF-8; format=flowed<br></div><div dir="ltr"><br></div><div dir="ltr">Good information, thanks.<br></div><div dir="ltr"><br></div><div dir="ltr">I would GLADLY install a second Mercury to do this.? Since I have <br></div><div dir="ltr">everything referenced to GPSDO, I would think the phase matching would <br></div><div dir="ltr">be close.? Bus limitations would be an issue, no doubt. Would love to <br></div><div dir="ltr">see an attempt.<br></div><div dir="ltr"><br></div><div dir="ltr">Wonder if a single Mercury could be set to switch to a receive input <br></div><div dir="ltr">coming off the PA sample port, only requiring 1 Mercury board.? (I THINK!)<br></div><div dir="ltr"><br></div><div dir="ltr">Thanks & 73,<br></div><div dir="ltr"><br></div><div dir="ltr">Jim<br></div><div dir="ltr"><br></div><div dir="ltr"><a ymailto="mailto:wb4gcs@amsat.org" href="mailto:wb4gcs@amsat.org">wb4gcs@amsat.org</a><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">On 5/28/2023 07:44, George Byrkit wrote:<br></div><div dir="ltr">> ***** High Performance Software Defined Radio Discussion List *****<br></div><div dir="ltr">><br></div><div dir="ltr">> While it might be technically possible, there are lots of hurdles to<br></div><div dir="ltr">> overcome, and PureSignal was not designed/implemented to work on the Mercury<br></div><div dir="ltr">> receiver.<br></div><div dir="ltr">><br></div><div dir="ltr">> 1) PureSignal needs an additional phase/clock-synchronous receiver channel<br></div><div dir="ltr">> to get the feedback to correct the signal. Mercury only has ONE receiver<br></div><div dir="ltr">> channel. You'd have to hand-stack multiple Mercury boards to begin with...<br></div><div dir="ltr">><br></div><div dir="ltr">> 2) PureSignal needs more FPGA memory space for code and everything. A<br></div><div dir="ltr">> Cyclone III doesn't really have that available for you.<br></div><div dir="ltr">><br></div><div dir="ltr">> 3) perhaps bus timing and all are also in the way.<br></div><div dir="ltr">><br></div><div dir="ltr">> You should reach out to Dr Warren Pratt, NR0V, who implemented PureSignal.<br></div><div dir="ltr">><br></div><div dir="ltr">> 73,<br></div><div dir="ltr">> George Byrkit, K9TRV<br></div><div dir="ltr">><br></div><div dir="ltr">> -----Original Message-----<br></div><div dir="ltr">> From: Hpsdr <<a ymailto="mailto:hpsdr-bounces@lists.openhpsdr.org" href="mailto:hpsdr-bounces@lists.openhpsdr.org">hpsdr-bounces@lists.openhpsdr.org</a>> On Behalf Of Michael Carey<br></div><div dir="ltr">> Sent: Sunday, May 28, 2023 4:57 AM<br></div><div dir="ltr">> To: <a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a><br></div><div dir="ltr">> Subject: [hpsdr] PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr">><br></div><div dir="ltr">> ***** High Performance Software Defined Radio Discussion List *****<br></div><div dir="ltr">><br></div><div dir="ltr">><br></div><div dir="ltr">> _______________________________________________<br></div><div dir="ltr">> HPSDR Discussion List<br></div><div dir="ltr">> To post msg: <a ymailto="mailto:hpsdr@openhpsdr.org" href="mailto:hpsdr@openhpsdr.org">hpsdr@openhpsdr.org</a><br></div><div dir="ltr">> Subscription help: <a href="http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org" target="_blank">http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org</a><br></div><div dir="ltr">> HPSDR web page: <a href="http://openhpsdr.org" target="_blank">http://openhpsdr.org</a><br></div><div dir="ltr">> Archives: <a href="http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/" target="_blank">http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/</a><br></div><div dir="ltr"><br></div><div dir="ltr">-- <br></div><div dir="ltr">This email has been checked for viruses by Avast antivirus software.<br></div><div dir="ltr">www.avast.com<br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">------------------------------<br></div><div dir="ltr"><br></div><div dir="ltr">Message: 4<br></div><div dir="ltr">Date: Sun, 28 May 2023 14:41:17 +0100<br></div><div dir="ltr">From: <<a ymailto="mailto:laurence@nicklebyhouse.co.uk" href="mailto:laurence@nicklebyhouse.co.uk">laurence@nicklebyhouse.co.uk</a>><br></div><div dir="ltr">To: <<a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a>><br></div><div dir="ltr">Subject: Re: [hpsdr] PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr">Message-ID: <000001d9916a$14a88690$3df993b0$@nicklebyhouse.co.uk><br></div><div dir="ltr">Content-Type: text/plain; charset="us-ascii"<br></div><div dir="ltr"><br></div><div dir="ltr">I don't think it is possible. The reason is:<br></div><div dir="ltr"><br></div><div dir="ltr">Puresignal uses an ADC to digitise the amplified output; that bit is<br></div><div dir="ltr">possible with just one Mercury. It also needs a downconverted *digital*<br></div><div dir="ltr">sample stream from the upconverted digital TX signal, which would need the<br></div><div dir="ltr">TX board to fee out a downconverted signal - and as far as I know that isn't<br></div><div dir="ltr">possible.<br></div><div dir="ltr"><br></div><div dir="ltr"> <br></div><div dir="ltr"><br></div><div dir="ltr">Regards,<br></div><div dir="ltr"><br></div><div dir="ltr">Laurence Barker<br></div><div dir="ltr"><a ymailto="mailto:laurence@nicklebyhouse.co.uk" href="mailto:laurence@nicklebyhouse.co.uk">laurence@nicklebyhouse.co.uk</a><br></div><div dir="ltr"><br></div><div dir="ltr">-----Original Message-----<br></div><div dir="ltr">From: Hpsdr <<a ymailto="mailto:hpsdr-bounces@lists.openhpsdr.org" href="mailto:hpsdr-bounces@lists.openhpsdr.org">hpsdr-bounces@lists.openhpsdr.org</a>> On Behalf Of George Byrkit<br></div><div dir="ltr">Sent: Sunday, May 28, 2023 12:45 PM<br></div><div dir="ltr">To: <a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a><br></div><div dir="ltr">Subject: Re: [hpsdr] PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr"><br></div><div dir="ltr">***** High Performance Software Defined Radio Discussion List *****<br></div><div dir="ltr"><br></div><div dir="ltr">While it might be technically possible, there are lots of hurdles to<br></div><div dir="ltr">overcome, and PureSignal was not designed/implemented to work on the Mercury<br></div><div dir="ltr">receiver.<br></div><div dir="ltr"><br></div><div dir="ltr">1) PureSignal needs an additional phase/clock-synchronous receiver channel<br></div><div dir="ltr">to get the feedback to correct the signal. Mercury only has ONE receiver<br></div><div dir="ltr">channel. You'd have to hand-stack multiple Mercury boards to begin with...<br></div><div dir="ltr"><br></div><div dir="ltr">2) PureSignal needs more FPGA memory space for code and everything. A<br></div><div dir="ltr">Cyclone III doesn't really have that available for you.<br></div><div dir="ltr"><br></div><div dir="ltr">3) perhaps bus timing and all are also in the way.<br></div><div dir="ltr"><br></div><div dir="ltr">You should reach out to Dr Warren Pratt, NR0V, who implemented PureSignal.<br></div><div dir="ltr"><br></div><div dir="ltr">73,<br></div><div dir="ltr">George Byrkit, K9TRV<br></div><div dir="ltr"><br></div><div dir="ltr">-----Original Message-----<br></div><div dir="ltr">From: Hpsdr <<a ymailto="mailto:hpsdr-bounces@lists.openhpsdr.org" href="mailto:hpsdr-bounces@lists.openhpsdr.org">hpsdr-bounces@lists.openhpsdr.org</a>> On Behalf Of Michael Carey<br></div><div dir="ltr">Sent: Sunday, May 28, 2023 4:57 AM<br></div><div dir="ltr">To: <a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a><br></div><div dir="ltr">Subject: [hpsdr] PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr"><br></div><div dir="ltr">***** High Performance Software Defined Radio Discussion List *****<br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">_______________________________________________<br></div><div dir="ltr">HPSDR Discussion List<br></div><div dir="ltr">To post msg: <a ymailto="mailto:hpsdr@openhpsdr.org" href="mailto:hpsdr@openhpsdr.org">hpsdr@openhpsdr.org</a><br></div><div dir="ltr">Subscription help:<br></div><div dir="ltr"><a href="http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org" target="_blank">http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org</a><br></div><div dir="ltr">HPSDR web page: <a href="http://openhpsdr.org" target="_blank">http://openhpsdr.org</a><br></div><div dir="ltr">Archives: <a href="http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/" target="_blank">http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/</a><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">------------------------------<br></div><div dir="ltr"><br></div><div dir="ltr">Message: 5<br></div><div dir="ltr">Date: Sun, 28 May 2023 09:43:16 -0400<br></div><div dir="ltr">From: "George Byrkit" <<a ymailto="mailto:ghbyrkit@chartermi.net" href="mailto:ghbyrkit@chartermi.net">ghbyrkit@chartermi.net</a>><br></div><div dir="ltr">To: <<a ymailto="mailto:wb4gcs@amsat.org" href="mailto:wb4gcs@amsat.org">wb4gcs@amsat.org</a>>, <<a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a>><br></div><div dir="ltr">Subject: Re: [hpsdr] PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr">Message-ID: <037401d9916a$5b5f3f70$121dbe50$@chartermi.net><br></div><div dir="ltr">Content-Type: text/plain; charset="utf-8"<br></div><div dir="ltr"><br></div><div dir="ltr">Jim,<br></div><div dir="ltr"><br></div><div dir="ltr">(no disrespect meant...)<br></div><div dir="ltr"><br></div><div dir="ltr">I think that you would discover that it is way more than a second Mercury being plugged in. This was discussed on this list in the far-distant-past (like before 2015?) That's roughly when this was all discussed. I think that by reading the archives (if they are intact), you will answer your own questions.<br></div><div dir="ltr"><br></div><div dir="ltr">This would be for you to attempt, I think. Don't hold your breath for others to try.<br></div><div dir="ltr"><br></div><div dir="ltr">73,<br></div><div dir="ltr">George K9TRV<br></div><div dir="ltr"><br></div><div dir="ltr">-----Original Message-----<br></div><div dir="ltr">From: Hpsdr <<a ymailto="mailto:hpsdr-bounces@lists.openhpsdr.org" href="mailto:hpsdr-bounces@lists.openhpsdr.org">hpsdr-bounces@lists.openhpsdr.org</a>> On Behalf Of Jim Sanford<br></div><div dir="ltr">Sent: Sunday, May 28, 2023 9:12 AM<br></div><div dir="ltr">To: <a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a><br></div><div dir="ltr">Subject: Re: [hpsdr] PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr"><br></div><div dir="ltr">***** High Performance Software Defined Radio Discussion List *****<br></div><div dir="ltr"><br></div><div dir="ltr">Good information, thanks.<br></div><div dir="ltr"><br></div><div dir="ltr">I would GLADLY install a second Mercury to do this. Since I have <br></div><div dir="ltr">everything referenced to GPSDO, I would think the phase matching would <br></div><div dir="ltr">be close. Bus limitations would be an issue, no doubt. Would love to <br></div><div dir="ltr">see an attempt.<br></div><div dir="ltr"><br></div><div dir="ltr">Wonder if a single Mercury could be set to switch to a receive input <br></div><div dir="ltr">coming off the PA sample port, only requiring 1 Mercury board. (I THINK!)<br></div><div dir="ltr"><br></div><div dir="ltr">Thanks & 73,<br></div><div dir="ltr"><br></div><div dir="ltr">Jim<br></div><div dir="ltr"><br></div><div dir="ltr"><a ymailto="mailto:wb4gcs@amsat.org" href="mailto:wb4gcs@amsat.org">wb4gcs@amsat.org</a><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">On 5/28/2023 07:44, George Byrkit wrote:<br></div><div dir="ltr">> ***** High Performance Software Defined Radio Discussion List *****<br></div><div dir="ltr">><br></div><div dir="ltr">> While it might be technically possible, there are lots of hurdles to<br></div><div dir="ltr">> overcome, and PureSignal was not designed/implemented to work on the Mercury<br></div><div dir="ltr">> receiver.<br></div><div dir="ltr">><br></div><div dir="ltr">> 1) PureSignal needs an additional phase/clock-synchronous receiver channel<br></div><div dir="ltr">> to get the feedback to correct the signal. Mercury only has ONE receiver<br></div><div dir="ltr">> channel. You'd have to hand-stack multiple Mercury boards to begin with...<br></div><div dir="ltr">><br></div><div dir="ltr">> 2) PureSignal needs more FPGA memory space for code and everything. A<br></div><div dir="ltr">> Cyclone III doesn't really have that available for you.<br></div><div dir="ltr">><br></div><div dir="ltr">> 3) perhaps bus timing and all are also in the way.<br></div><div dir="ltr">><br></div><div dir="ltr">> You should reach out to Dr Warren Pratt, NR0V, who implemented PureSignal.<br></div><div dir="ltr">><br></div><div dir="ltr">> 73,<br></div><div dir="ltr">> George Byrkit, K9TRV<br></div><div dir="ltr">><br></div><div dir="ltr">> -----Original Message-----<br></div><div dir="ltr">> From: Hpsdr <<a ymailto="mailto:hpsdr-bounces@lists.openhpsdr.org" href="mailto:hpsdr-bounces@lists.openhpsdr.org">hpsdr-bounces@lists.openhpsdr.org</a>> On Behalf Of Michael Carey<br></div><div dir="ltr">> Sent: Sunday, May 28, 2023 4:57 AM<br></div><div dir="ltr">> To: <a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a><br></div><div dir="ltr">> Subject: [hpsdr] PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr">><br></div><div dir="ltr">> ***** High Performance Software Defined Radio Discussion List *****<br></div><div dir="ltr">><br></div><div dir="ltr">><br></div><div dir="ltr">> _______________________________________________<br></div><div dir="ltr">> HPSDR Discussion List<br></div><div dir="ltr">> To post msg: <a ymailto="mailto:hpsdr@openhpsdr.org" href="mailto:hpsdr@openhpsdr.org">hpsdr@openhpsdr.org</a><br></div><div dir="ltr">> Subscription help: <a href="http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org" target="_blank">http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org</a><br></div><div dir="ltr">> HPSDR web page: <a href="http://openhpsdr.org" target="_blank">http://openhpsdr.org</a><br></div><div dir="ltr">> Archives: <a href="http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/" target="_blank">http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/</a><br></div><div dir="ltr"><br></div><div dir="ltr">-- <br></div><div dir="ltr">This email has been checked for viruses by Avast antivirus software.<br></div><div dir="ltr">www.avast.com<br></div><div dir="ltr">_______________________________________________<br></div><div dir="ltr">HPSDR Discussion List<br></div><div dir="ltr">To post msg: <a ymailto="mailto:hpsdr@openhpsdr.org" href="mailto:hpsdr@openhpsdr.org">hpsdr@openhpsdr.org</a><br></div><div dir="ltr">Subscription help: <a href="http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org" target="_blank">http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org</a><br></div><div dir="ltr">HPSDR web page: <a href="http://openhpsdr.org" target="_blank">http://openhpsdr.org</a><br></div><div dir="ltr">Archives: <a href="http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/" target="_blank">http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/</a><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">------------------------------<br></div><div dir="ltr"><br></div><div dir="ltr">Message: 6<br></div><div dir="ltr">Date: Sun, 28 May 2023 17:14:44 +0200<br></div><div dir="ltr">From: Helmut Oeller <<a ymailto="mailto:dc6ny@gmx.de" href="mailto:dc6ny@gmx.de">dc6ny@gmx.de</a>><br></div><div dir="ltr">To: <a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a><br></div><div dir="ltr">Subject: Re: [hpsdr] PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr">Message-ID: <<a ymailto="mailto:2c7a17f5-5277-3608-63d8-b8fdadda6336@gmx.de" href="mailto:2c7a17f5-5277-3608-63d8-b8fdadda6336@gmx.de">2c7a17f5-5277-3608-63d8-b8fdadda6336@gmx.de</a>><br></div><div dir="ltr">Content-Type: text/plain; charset=UTF-8; format=flowed<br></div><div dir="ltr"><br></div><div dir="ltr">Hi,<br></div><div dir="ltr"><br></div><div dir="ltr">the development of PS started more than 10 years ago and was set up for<br></div><div dir="ltr">the Hermes board. Note that Hermes has only 1 physical frontend, but the<br></div><div dir="ltr">large FPGA? can contain several DDCs (digital down converter), which are<br></div><div dir="ltr">simultaneously fed on the ADC data. A common sampling oscillator<br></div><div dir="ltr">supplies the ADC as well as the DAC, i.e coherence is given.<br></div><div dir="ltr"><br></div><div dir="ltr">George nicely listed all important reasons, why Atlas based HPSDR boards<br></div><div dir="ltr">can't use PS together with PowerSDR PS or Thetis. Nevertheless FYI: My<br></div><div dir="ltr">friend HB9EPU, an exceptionally gifted coder operates his own algorithm<br></div><div dir="ltr">of digital predistortion successfully using 2 Mercuries and a Penelope.<br></div><div dir="ltr">Minor Hardware mods for coherence were necessary, but the whole setup<br></div><div dir="ltr">runs in his individual Linux environment. All is possible, hi.<br></div><div dir="ltr"><br></div><div dir="ltr">73, Helmut, DC6NY<br></div><div dir="ltr"><br></div><div dir="ltr">Am 28.05.2023 um 15:12 schrieb Jim Sanford:<br></div><div dir="ltr">> ***** High Performance Software Defined Radio Discussion List *****<br></div><div dir="ltr">><br></div><div dir="ltr">> Good information, thanks.<br></div><div dir="ltr">><br></div><div dir="ltr">> I would GLADLY install a second Mercury to do this.? Since I have<br></div><div dir="ltr">> everything referenced to GPSDO, I would think the phase matching would<br></div><div dir="ltr">> be close.? Bus limitations would be an issue, no doubt. Would love to<br></div><div dir="ltr">> see an attempt.<br></div><div dir="ltr">><br></div><div dir="ltr">> Wonder if a single Mercury could be set to switch to a receive input<br></div><div dir="ltr">> coming off the PA sample port, only requiring 1 Mercury board.? (I<br></div><div dir="ltr">> THINK!)<br></div><div dir="ltr">><br></div><div dir="ltr">> Thanks & 73,<br></div><div dir="ltr">><br></div><div dir="ltr">> Jim<br></div><div dir="ltr">><br></div><div dir="ltr">> <a ymailto="mailto:wb4gcs@amsat.org" href="mailto:wb4gcs@amsat.org">wb4gcs@amsat.org</a><br></div><div dir="ltr">><br></div><div dir="ltr">><br></div><div dir="ltr">> On 5/28/2023 07:44, George Byrkit wrote:<br></div><div dir="ltr">>> ***** High Performance Software Defined Radio Discussion List *****<br></div><div dir="ltr">>><br></div><div dir="ltr">>> While it might be technically possible, there are lots of hurdles to<br></div><div dir="ltr">>> overcome, and PureSignal was not designed/implemented to work on the<br></div><div dir="ltr">>> Mercury<br></div><div dir="ltr">>> receiver.<br></div><div dir="ltr">>><br></div><div dir="ltr">>> 1) PureSignal needs an additional phase/clock-synchronous receiver<br></div><div dir="ltr">>> channel<br></div><div dir="ltr">>> to get the feedback to correct the signal.? Mercury only has ONE<br></div><div dir="ltr">>> receiver<br></div><div dir="ltr">>> channel.? You'd have to hand-stack multiple Mercury boards to begin<br></div><div dir="ltr">>> with...<br></div><div dir="ltr">>><br></div><div dir="ltr">>> 2) PureSignal needs more FPGA memory space for code and everything.? A<br></div><div dir="ltr">>> Cyclone III doesn't really have that available for you.<br></div><div dir="ltr">>><br></div><div dir="ltr">>> 3) perhaps bus timing and all are also in the way.<br></div><div dir="ltr">>><br></div><div dir="ltr">>> You should reach out to Dr Warren Pratt, NR0V, who implemented<br></div><div dir="ltr">>> PureSignal.<br></div><div dir="ltr">>><br></div><div dir="ltr">>> 73,<br></div><div dir="ltr">>> George Byrkit, K9TRV<br></div><div dir="ltr">>><br></div><div dir="ltr">>> -----Original Message-----<br></div><div dir="ltr">>> From: Hpsdr <<a ymailto="mailto:hpsdr-bounces@lists.openhpsdr.org" href="mailto:hpsdr-bounces@lists.openhpsdr.org">hpsdr-bounces@lists.openhpsdr.org</a>> On Behalf Of Michael<br></div><div dir="ltr">>> Carey<br></div><div dir="ltr">>> Sent: Sunday, May 28, 2023 4:57 AM<br></div><div dir="ltr">>> To: <a ymailto="mailto:hpsdr@lists.openhpsdr.org" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a><br></div><div dir="ltr">>> Subject: [hpsdr] PureSignal for HPSDR/Penelope/Mercury<br></div><div dir="ltr">>><br></div><div dir="ltr">>> ***** High Performance Software Defined Radio Discussion List *****<br></div><div dir="ltr">>><br></div><div dir="ltr">>><br></div><div dir="ltr">>> _______________________________________________<br></div><div dir="ltr">>> HPSDR Discussion List<br></div><div dir="ltr">>> To post msg: <a ymailto="mailto:hpsdr@openhpsdr.org" href="mailto:hpsdr@openhpsdr.org">hpsdr@openhpsdr.org</a><br></div><div dir="ltr">>> Subscription help:<br></div><div dir="ltr">>> <a href="http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org" target="_blank">http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org</a><br></div><div dir="ltr">>> HPSDR web page: <a href="http://openhpsdr.org" target="_blank">http://openhpsdr.org</a><br></div><div dir="ltr">>> Archives: <a href="http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/" target="_blank">http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/</a><br></div><div dir="ltr">><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">------------------------------<br></div><div dir="ltr"><br></div><div dir="ltr">Subject: Digest Footer<br></div><div dir="ltr"><br></div><div dir="ltr">_______________________________________________<br></div><div dir="ltr">HPSDR Discussion List<br></div><div dir="ltr">To post msg: <a ymailto="mailto:hpsdr@openhpsdr.org" href="mailto:hpsdr@openhpsdr.org">hpsdr@openhpsdr.org</a><br></div><div dir="ltr">Subscription help: <a href="http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org" target="_blank">http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org</a><br></div><div dir="ltr">HPSDR web page: <a href="http://openhpsdr.org" target="_blank">http://openhpsdr.org</a><br></div><div dir="ltr">Archives: <a href="http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/" target="_blank">http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/</a><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">------------------------------<br></div><div dir="ltr"><br></div><div dir="ltr">End of Hpsdr Digest, Vol 205, Issue 5<br></div><div dir="ltr">*************************************<br></div></div>
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