On 12/09/2013 03:43 AM, wb6bnq wrote: > Hi Magnus, > > If the TAPR module you are referring to is the ICS-501 thing, that is > really not suitable for this purpose. Equally, neither are the DDS > chips. Besides never being right where you want them you have the > spurii to deal with. Way too much filtering required. These two > items aside from being surface mount have the added requirement of > needing a damn cpu to tell the DDS what to do, not too mention the > additional circuit board space. > > For a fixed frequency requirement it is much easier and cheaper to do > it with a proper PLL and a good but inexpensive VCXO. Which, by the > way, I found a small stash of the VCXO's on the right frequency for > $25 each from a highly reputable US manufacturer (an over stocked > run). And, TOO BOOT, I have the layout all done in through hole > intended to fit in a $15 ABS EMI/RFI shielded box about 6.7 inches by > 3.3 inches. When you can do propper PLL with a good VCO and have the layout, then it is a no-brainer.
Cheers, Magnus _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
