AnsweredAssumed Answered

N1911A with N1921A time uncertainty

Question asked by daniele.banfi on Dec 15, 2011
Latest reply on Dec 16, 2011 by daniele.banfi

Like • Show 0 Likes0
Comment • 2

I guy's

I'm in trouble to compute the time base uncertainty in the RF Power meter N1911A with N1921A. I've found the excel sheet for the power uncertainty but nothing for define the time uncertainty when I use the instrument in graph mode (with marker).

I.e., if I make a power rise time measurement , how can define the time uncertainty ?

Can you suggest how to calculate this time uncertanty or which parameters can be used for estimate this value ?

Thanks in advance for your support

Daniele Banfi

No one else has this question

Outcomes

lynchdavidb Dec 16, 2011 11:57 AM

You can find the time measurement accuracy by looking at the N1911A's time base accuracy. The power meter's data sheet says that the accuracy is;

Timebase range     2 ns to 100 msec/div
Accuracy                ±10 ppm
Jitter                     ≤ 1 ns

I hope that this is some help.

Actions

daniele.banfi Dec 16, 2011 11:14 PM

Dear David

Thanks for your clarification. I've see these items and I've suppose to base my uncertainty looking these value, but with your confirm is better for me....

Thanks again

Daniele Banfi

Actions

2 Replies

lynchdavidb Dec 16, 2011 11:57 AM
Mark Correct
Correct Answer
You can find the time measurement accuracy by looking at the N1911A's time base accuracy. The power meter's data sheet says that the accuracy is;

Timebase range     2 ns to 100 msec/div
Accuracy                ±10 ppm
Jitter                     ≤ 1 ns

I hope that this is some help.
Like • Show 0 Likes0
Actions
daniele.banfi Dec 16, 2011 11:14 PM
Mark Correct
Correct Answer
Dear David

Thanks for your clarification. I've see these items and I've suppose to base my uncertainty looking these value, but with your confirm is better for me....

Thanks again

Daniele Banfi
Like • Show 0 Likes0
Actions

N1911A with N1921A time uncertainty

Outcomes

Related Content

Recommended Content