[time-nuts] HP53132A vs SR625

Mike S mikes at flatsurface.com
Sun Mar 17 14:46:35 EDT 2013

On 3/17/2013 1:56 PM, Ed Palmer wrote:
> On 3/17/2013 10:41 AM, Said Jackson wrote:
>> The "acceptable" specs are pretty crappy in tim-nuts terms: +/-350pico
>> * frequency with a 1s gate time. Thats straight from the user manual
>> and assuming no reference error. From the manual:
>> Frequency Accuracy:
>> < ± ((100ps typ [350 ps max])/Gate + Timebase Error ) x Frequency

 > That equation looks similar in form to the specs for any counter.
 > What are the comparable equations for the  53132A or the 5370(A or B)?

5370B is similar

±Resolution ±(Time Base Error) x FREQ
± (100 ps Systematic/Gate Time) x FREQ

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