[time-nuts] wtd: WWVB info

Jim Lux jimlux at earthlink.net
Thu Aug 6 13:43:45 EDT 2015

On 8/5/15 8:27 PM, Donald wrote:
> On 8/5/2015 7:55 PM, Bob Camp wrote:
>> Hi
>> 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.
> What type of FFT horse power would be needed at 192 Khz ?

not very much..

It's a fairly narrow band signal, It might be more computationally 
efficient to do a Bandpass FIR and decimate.

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