Manuals / Brands / Computer Equipment / Network Card / National Instruments / Computer Equipment / Network Card

National Instruments NI PXIe-6672 Figure 3-1. Functional Overview of the NI PXIe-6672

1 57

Download 57 pages, 675.87 Kb

Chapter 3 Hardware Overview

NI PXIe-6672 User Manual 3-2 ni.com

Figure 3-1. Functional Overview of the NI PXIe-6672

CLOCK and

TRIGGER

Routing

PCI Interface

PXIPCI

PXI_STAR<0..16>

PXI_TRIG<0..7>

CLKOUT

DDS

CLKIN AC Coupled

Clock Detector

PLL

PXI_CLK10_IN

TCXO

Calibration

DAC

TCXO

Clock

PXI_CLK10

DDS Clock

PFI 0

Threshold

DAC

PFI 0 Driver/

Comparator

PFI 1 Driver/

Comparator

PFI 2 Driver/

Comparator

PFI 3 Driver/

Comparator

PFI 4 Driver/

Comparator

PFI 5 Driver/

Comparator

PFI 2

Threshold

DAC

TCXO

PFI 1

Threshold

DAC

PFI 3

Threshold

DAC

PFI 4

Threshold

DAC

PFI 5

Threshold

DAC

CLKIN

Contents

Main Page Important Information Warranty Copyright Trademarks Patents Contents Page About This Manual Conventions National Instruments Documentation Related Documentation Introduction What You Need to Get Started Unpacking Software Programming Choices Safety Information Page Installing and Configuring Installing the Software Installing the Hardware Configuring the Module Page Figure 3-1. Functional Overview of the NI PXIe-6672 NI PXIe-6672 Front Panel Figure 3-2 shows the connectors and LEDs on the front panel of the NIPXIe-66 72. 5 Figure 3-2. NI PXIe-6672 Front Panel 1 2 3 4 Access LED Active LED Connectors Hardware Features Page Clock Generation Direct Digital Synthesis (DDS) PXI_CLK10 and TCXO Routing Signals Figure 3-3. High-Level Schematic of NI PXIe-6672 SignalRouting Architecture Determining Sources and Destinations Using Front Panel PFIs As Inputs Using Front Panel PFIs As Outputs Using the PXI Triggers Using the PXI Star Triggers Choosing the Type of Routing Asynchronous Routing Synchronous Routing Generating a Single Pulse (Global Software Trigger) Using the PXI_CLK10 PLL Page Calibration Factory Calibration TCXO Frequency PXI_CLK10 Phase DDS Start Trigger Phase Page A Specifications CLKIN Characteristics CLKOUT Characteristics PFI <0..5> Input Characteristics Output Characteristics PXI_STAR Trigger Characteristics PXI Trigger Characteristics TCXO Characteristics DDS Characteristics Physical Power Requirements Environment Operating Environment Storage Environment Shock and Vibration Safety Electromagnetic Compatibility CE Compliance Environmental Management Waste Electrical and Electronic Equipment (WEEE) RoHS B Technical Support and Professional Services Page Glossary Symbols A B C D Page Page P S T V Index A B C D E F G H I N O P R S T