[time-nuts] source for ICS525 demo board ...
Brooke Clarke
brooke at pacific.net
Sat Feb 18 21:07:45 EST 2006
Hi Hal:
I Googled ICS525 and found that there are a few ham projects using the
chip. Mostly as a one chip 2 meter transmitter although with a single
crystal there's a limited number of channels you can hit.
I thought that the PCI slots were for I/O cards on the back panel.
What's a "front panel" bracket?
Have Fun,
Brooke Clarke, N6GCE
--
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com
Hal Murray wrote:
>>I keep hoping that the TAPR people will issue a board with it...
>>
>>
>
>I've also been thinking of building something along that line...
>
>My straw man is to use a PCI front panel bracket for mounting. I was
>thinking of getting power from a disk connector rather than the PCI slot
>because the low cost PCB fab places don't include gold fingers. Anybody know
>an inexpensive place that does handle PCI cards?
>
>
>The ICS525 is the best chip I've seen for this sort of work, but I haven't
>looked all that hard. All it takes is one chip and a bunch of jumpers to be
>able to select a wide range of output frequencies.
>
>Plan B is your favorite PLL and a CPLD.
>
>
>
>Looks like ICS has been Borged by IDT. Avnet carries IDT, but I don't know
>if they sell to hackers/hobbyists and/or if they carry the ICS parts yet.
>
>
>
>What sort of frequency range is interesting? (I'll summarize if people
>respond directly to me.)
>
>If you were building something like this, what else would you put on the
>board? I was thinking of an option for a TCXO or OCXO.
>
>
>
>
>
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