[time-nuts] Measurement of frequency of HP 8720D option 1D5 oscillator after switch on
magnus at rubidium.dyndns.org
Sat Oct 4 18:14:02 EDT 2014
Out of curiosity, what's the difference between the two first traces?
One looks more jump than the other.
On 10/05/2014 12:03 AM, John Miles wrote:
>> -----Original Message-----
>> From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Dr. David
>> Kirkby (Kirkby Microwave Ltd)
>> If I recall correctly, when I did look some time ago at getting
>> another TI counter, the Agilent 53230A seemed to have some
>> specifications *worst* than the 5370B it replaced. It was not clear it
>> was an upgrade.
>> This 53230A on eBay does not seem very good value, at about 60% *more*
>> than the price of a new one from Keysight!!!
>> Perhaps I should ask what discount I could get if I buy 10!
>> I just stuck an offer on a SRS 620, which is sold as seen. I'll take a
>> chance it works if my offer is accepted.
> The 5370B is still the only high-performance counter that I own, personally. SR620s are fine as far as they go, but if they have any strong advantages over the 5370 I don't know what they are. Spending more for a 53230A isn't necessary unless you have a specific need for something that only it can do (and I don't).
> My OCXO test bench runs on a 5370B in a separate building. I go over there once a week, swap the oscillator under test, restart the script, and forget about it until the next week. (E.g.,: http://www.ke5fx.com/ocxotest.png , generated by the TimeLab version at http://www.miles.io/timelab/beta.htm). It's pretty handy for just this sort of scenario.
> -- john, KE5FX
> Miles Design LLC
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