National Instruments PXIe-6570 User Manual

Source and Capture
Digital Source
6
Operation modes Serial and parallel; broadcast and site-unique
Source memory size 32 MB (256 Mbit) total
Maximum waveforms 512
Digital Capture
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Operation modes Serial and parallel; site-unique
Capture memory size 1 million samples
Maximum waveforms 512
Frequency Measurements
Frequency counter measure frequency
Range 5 kHz to 200 MHz, 2.5 ns minimum pulse
width
Accuracy See Calculating Frequency Counter Error
Calculating Frequency Counter Error
Use the following equation to calculate the frequency counter error (ppm).


1  

+
20
          
* 1, 000, 000
where
MeasurementTime is the time, in seconds, over which the frequency counter
measurement is configured to run
UnknownClockPeriod is the time, in seconds, of the period of the signal being measured
TB
err
is the error of the Clk100 timebase
Refer to the following table for a few examples of common Clk100 timebase accuracies.
6
To learn how to calculate achievable data rates for Digital Source or Digital Capture, visit ni.com/
info and enter the info code DigitalSource or DigitalCapture to access the Calculating
Digital Source Rate tutorial or the Calculating Digital Capture Rate tutorial.
12 | ni.com | PXIe-6570 Specifications

National Instruments PXIe-6570 Specifications

General

Brand	National Instruments
Model	PXIe-6570
Category	Industrial Electrical
Language	English