[time-nuts] wtd: WWVB info

Bob Camp kb8tq at n1k.org
Wed Aug 5 21:55:29 EDT 2015


Analog Devices has some very nice ADC’s that are directly targeted at 
doing this general sort of thing. They do not have any “odd” filtering approach 
that creates issues. Some of the early 192 KHz audio parts did not do very well
past 1/4 the clock rate.


> On Aug 5, 2015, at 6:47 PM, Scott Newell <newell+timenuts at n5tnl.com> wrote:
> At 12:40 PM 8/5/2015, Graham / KE9H wrote:
>> Content-Transfer-Encoding: 8bit
>> There are several high end audio Analog to Digital Data converters that
>> will clock at 192 kHz, ~23 bits ENOB, which puts a 60 kHz signal sweetly in
>> the first Nyquist zone. Typical NF of the front end of the data converter
> Any specific recommendations? I've seen the Asus Xonar U7 (USB) and Asus Xonar D1 (PCI) mentioned on some of the SDR sites. (I'm running XP and linux.)
> -- 
> newell
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