Hi Magnus, ....good day.
Thanks for the thoughts, ...that was pretty much where I was headed. I
think I will hold out a while for a 5370, ....watch eBay, see if a
reasonably priced unit pops up.
If anyone has one for sale for a nice price, please let me know.
-Don
--------------------------------------------------
From: "Magnus Danielson" <mag...@rubidium.dyndns.org>
Sent: Tuesday, January 08, 2013 7:42 PM
To: <time-nuts@febo.com>
Subject: Re: [time-nuts] Interval Timer Recommendation
Hi Don,
On 01/09/2013 02:32 AM, dlewis6767 wrote:
I am looking to upgrade my older HP 5245L counter/ timer to one with
greater resolution.
In my home lab, I have been collecting GPS timing modules (receivers) and
just want to start measuring their 1PPS jitter, etc. over one period.
The 5245L will only measure to 100ns with a 1 second pulse (.1us period
at 1 period).
I was looking at the HP5370/ 71/ 72 series counter/ timers. What is the
best resolution they can provide for a one second pulse (over one
period)?
Do you have any recommendation as to which one of the three models is the
better unit? (Their display technology, age and cost not withstanding.)
All three models seem greatly overstated in price on eBay, seems, too.
Not sure why, ...just supply and demand; I presume.
Thank you for your advice; I appreciate your thoughts.
Of the given set, the HP5370 will have much better single shot resolution
compared to the HP5371/5372. The later is better at recording high rate
events.
I have both HP5370 and HP5372 as they fill different purposes. I also have
counters of better performance than these.
Trouble is, with PPS signals you experience jitter such that a 1 ns
resolution of a HP5335 will suffice for most usages.
Cheers,
Magnus
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