[time-nuts] External clock for Analog to Digital Converter inGPS Rx front-end
Dr Bruce Griffiths
bruce.griffiths at xtra.co.nz
Sat Mar 3 06:10:11 UTC 2007
Bilal Amin wrote:
>> Hi John and Bruce,
>>
>> Thank you for your ideas. Now I have a much better picture for the
>> experiment using the comparator. Now, my only concern is a noise generator.
>> I have searched and found out that all the commercially available now
>> generators are very expensive and some what out of my price range.
>> What would you guys suggest for a noise generator? Do you think generating
>> noise using a zener diode circuit is a good idea? Or any cheap noise
>> generators are available in the market. Any one has any experience? As I am
>> working in 8Ms/s zone, therefore the noise generator should be of high
>> specs.
>> I have a signal generator (Agilent Tech. 8648A). I can use the PM option in
>> this signal generator to get the results, but again the only problem is a
>> noise generator which I can use at the modulating input of the signal
>> generator to modulate the RF signal.
>>
>> Cheers
>>
>> Bilal
>>
>>
Bilal
You may also want to look at:
http://pdfserv.maxim-ic.com/en/an/AN3469.pdf
Bruce
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