[time-nuts] External clock for Analog to Digital Converter inGPS Rx front-end
bilal_amin at hotmail.com
Sat Mar 3 08:29:20 EST 2007
Thank you Bruce, this is indeed very useful.
----- Original Message -----
From: "Dr Bruce Griffiths" <bruce.griffiths at xtra.co.nz>
To: "Discussion of precise time and frequency measurement"
<time-nuts at febo.com>
Sent: Saturday, March 03, 2007 5:10 PM
Subject: Re: [time-nuts] External clock for Analog to Digital Converter
inGPS Rx front-end
> 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
>>> 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
>>> 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
>>> working in 8Ms/s zone, therefore the noise generator should be of high
>>> I have a signal generator (Agilent Tech. 8648A). I can use the PM option
>>> this signal generator to get the results, but again the only problem is
>>> noise generator which I can use at the modulating input of the signal
>>> generator to modulate the RF signal.
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