Hi Glen, The question is for me, how close are we to getting Mode 2020 running on a top-end Pi, Odroid XX etc.?
As it stands now, Mode 700D runs well on almost any Pi. And putting one in a small box with USB peripherals is not a problem really. Alan VK2ZIW On Tue, 21 Jul 2020 08:27:08 +1000, Glen English wrote > I need some comments to drive decisions on part choices for the SM30000 > > My focus is on accessability- being affordable. > > Having said that a few dollars saved is poor savings if the new box > cannot meet our forseeable objectives. > > The original project leaders are not providing any opinions, maybe > they are burned out. Volunteers get that way. > > The original SM1000 had a BOM (bill of materials) of about US$44 > > (quantity 100) + enclosure and packing. Setup costs for small > PCB runs and small metal work runs are very high compared to the > cost of the job. The Sm1000 used commodity components, nothing > special so it was able to be made in a simple factory. > > The SM3000 is not going to be such a simple beast. > > My estimate right now is the digital PCB would be approx USD52 or USD60 > > The analog interface mezzanine PCB (to provide SM1000 functionality) > would be another USD20 (mostly connectors and large passives) > > The digital radio mezzanine PCB (HF + 28 MHz IF 1mW radio (capable > of direct aliasing to 200 MHz) 16 bit DAC , low noise clocks, will > be around USD100 if it is high performance. > > My questions- Was the Sm1000 a good idea- how many people used them > as intended ? > > did anyone use it with the internal speaker-mic, or should that be a > standard headset 3.5mm jack for connection to whatever ? > > Total size of the digital PCB is probably around maybe 50mm x 80mm I > guess. If it goes into an existing SM1000 box, the audio board > would become the baseboard, and support all the connectors and > the digital PCB would be the piggyback. IE whole digital radio in > the SM1000 existing case (but not much use withotu connectors ) ! > > -glen > > _______________________________________________ > Freetel-codec2 mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 --------------------------------------------------- Alan VK2ZIW OpenWebMail 2.53, nothing in the cloud. _______________________________________________ Freetel-codec2 mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/freetel-codec2
