Seems very interesting.... i like the idea of a modulair system. I also see to often complete boards without the possibility to rip a modul out of it.
I am currently working on making a dds module and control module. After finishing i need the tayloe mixer. so iam interested. Johan PA3GSB --- In [email protected], KY1K <[EMAIL PROTECTED]> wrote: > Did anything ever come of this, or did the discussion that followed lead > into nothingness (everyone wanted a different feature or schematic)? > > I'd really be interested in this and would very much like to do the Tayloe > detector at 2 meters where it should really shine! But, technology does not > allow frequencies that high at this time. > > I'd still like to play at lower frequencies with the existing technology > however. > > If the DDS/PLL issue is preventing this PCB from becoming a reality, I'd > suggest designing a single board with the Tayloe mixer on it and a second > identically sized board with the DDS/PLL on it. If one just wants the DDS > (only) they can put a jumper in to bypass the PLL part of the board. If one > wants both, they can insert the PLL components as well. If both boards were > the same size, they could be stacked on short spacers to keep the overall > size of the assembly down. > > If someone wants to roll their own LO, they need only order the detector board. > > Has anyone asked Flex Radio if they will sell the SDR-1000 boards > separately (either bare boards or pre-assembled)? > > What say? > > Art > > > > > At 03:33 PM 10/17/2004, you wrote: > > >I've been monitoring this group for some time, as I have a keen interest in > >software radios and particularly the Tayloe detector approach to quadrature > >down conversion. I also have a strong professional background in RF design, > >and professional software tools to lay out PCB's. I have a vendor source > >that will make a 155 sq inch panel with as many individual boards as will > >fit in that space for about USD $90, including high quality silk screen and > >solder mask. The boards in a panel are seperated by "v-score" grooves that > >makes it easy to break them apart into nice clean individual boards. > > > >I'd be willing to lay out and order a board that incorporates the quadrature > >downconverter (and possibly a frequency source) if: > >1) We can get group consensus on a circuit; > >2) We can get buy-in (literally) from a big enough group to offset the costs > > > >If we assume that the PCB will be about 2" x 3", then we could probably fit > >20-25 boards into a panel. That comes out to about $4.00 for each board if > >we can get enough takers to cover the $90 panel cost. > > > >If there's enough interest in this, then I suggest that we form a seperate > >working group to iron out the design and arrangements. > > > >Any interest? Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/soft_radio/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
