National Instruments NI 5911 Dynamic Range, Distortion

AppendixA Specifications

NI5911 User Manual A-4 ni.com

Dynamic Range

Noise (excluding input-referred noise)

Distortion

SamplingFrequency Bandwidth NoiseDensity Tot al No ise

100MHz/n100 MHz –120dBfs/ –43dBfs

12.5MHz 3.75 MHz –135dBfs/ –64dBfs

5MHz 2MHz –150dBfs/ –83dBfs

2.5MHz 1MHz –155dBfs/ –91dBfs

1MHz 400kHz –160 dBfs/ –104dBfs

500kHz 200kHz –160 dBfs/ –107 dBfs

200kHz 80kHz –160dBfs/ –111 dBfs

100kHz 40kHz –160dBfs/ –114 dBfs

50kHz 20 kHz –160dBfs/ –117 dBfs

20kHz 8kHz –160dBfs/ –121 dBfs

10kHz 4kHz –160dBfs/ –124 dBfs

*1<n<232in oscilloscope mode

SamplingFrequency

SFDRfor input

0dBfs

SFDRfor input

–20dBfs

SFDRfor input

–60dBfs (typical)

100MHz/n50 dB 50 dB N/A

12.5MHz 65 dB 85 dB 125dB

5MHz 70dB 90 dB 130dB

2MHz 75dB 95 dB 135dB

1MHz 85dB 105 dB 145dB

500kHz 90dB 110dB 150dB

200kHz 100dB 110 dB 160 dB

100kHz 100dB 110 dB 160 dB

50kHz 100 dB 110 dB 160 dB

Contents

Main Page Important Information Warranty Copyright Trademarks WARNINGREGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS Conventions Contents Chapter 1 Taking Measurements with the NI 5911 Chapter 2 Hardware Overview Page Taking Measurements with the NI 5911 Installing the NI 5911 Connecting Signals Page Acquiring Data with Your NI 5911 Programmatically Controlling Your NI 5911 Interactively Controlling Your NI 5911 with VirtualBench-Scope Using the VirtualBench-Scope Soft Front Panel Acquiring Data Soft Front Panel Features Page Hardware Overview Differential Programmable Gain Input Amplifier (PGIA) Differential Input Grounding Considerations Input Ranges Input Impedance Input Bias Input Protection AC Coupling Oscilloscope and Flexible Resolution Modes Oscilloscope Mode Sampling MethodsReal Time and RIS Flexible Resolution Mode How Flexible Resolution Works Calibration Internally Calibrating the NI 5911 When Internal Calibration Is Needed What Internal Calibration Does Why Errors Occur During Acquisition External Calibration Triggering and Arming Analog TriggerCircuit Page Page TriggerHold-Off Memory Triggeringand Memor y Usage Multiple Record Acquisitions RTSI Bus Triggerand Clock Lines PFI Lines PFI Lines as Inputs PFI Lines as Outputs Synchronization A Specifications Acquisition System Acquisition Characteristics Accuracy Common-Mode Characteristics Filtering Dynamic Range Distortion Timebase System TriggeringSystems Page Calibration B Digitizer Basics Understanding Digitizers Nyquist Theorem Analog Bandwidth Sample Rate Vertical Sensitivity ADC Resolution Record Length TriggeringOptions Random Interleaved Sampling Page Making Accurate Measurements FigureB-7. DynamicRange of an 8-Bit ADC with Three Different Gain Settings Page Page C Technical Support Resources Web Support NI Developer Zone Customer Education System Integration Worldwide Support Glossary Symbols A B C D E F G H I Page N O P R S T U V W Index Numbers A B C E F G H I M N O P R S T V W