National Instruments PXIe-5668R Bedienungsanleitung

GETTING STARTED GUIDE

NI PXIe-5668R

26.5 GHz or 14 GHz Vector Signal Analyzer

Note Before you begin, install and configure your chassis and controller.

This document explains how to install, configure, and test the NI 5668R. The NI 5668R is a

26.5 GHz or 14 GHz modular vector signal analyzer (VSA). The NI 5668R ships with the

NI-RFSA instrument driver, which you use to program the device. You can also use NI-RFmx,

available at ni.com/downloads, to program the device.

The NI 5668R comprises the following devices:

• NI PXIe-5606 (NI 5606) RF downconverter

• NI PXIe-5624R (NI 5624R) intermediate frequency (IF) digitizer

• NI PXIe-5653 (NI 5653) synthesizer/local oscillator (LO) source module

In this document, "NI 5668R" refers to both the NI 5668R 26.5 GHz VSA and the NI 5668R

14 GHz VSA unless otherwise specified.

Caution The protection provided by this product may be impaired if it is used in a

manner not described in this document.

Hot Surface If the NI 5668R has been in use, it may exceed safe handling

temperatures and cause burns. Allow the NI 5668R to cool before removing it from

the chassis.

Contents

Electromagnetic Compatibility Guidelines...............................................................................2

Verifying the System Requirements......................................................................................... 2

Unpacking the Kit.....................................................................................................................2

Verifying the Kit Contents................................................................................................ 4

Preparing the Environment....................................................................................................... 5

Choosing and Installing the Software.......................................................................................5

Software Options.............................................................................................................. 5

Installing the Software...................................................................................................... 6

Installing the NI 5668R.............................................................................................................7

Interconnecting the NI 5668R Modules............................................................................8

Configuring the NI 5668R in MAX........................................................................................20

Self-Calibration.......................................................................................................................21

Performing a Device Self-Calibration Using the NI-RFSA SFP....................................22

Locating the Software and Examples..................................................................................... 22

Software Locations......................................................................................................... 22

Programming Examples Locations.................................................................................25

Troubleshooting...................................................................................................................... 26

Installation...................................................................................................................... 26

Configuration.................................................................................................................. 27

Measurements................................................................................................................. 28

Where to Go Next................................................................................................................... 29

Worldwide Support and Services............................................................................................30

Electromagnetic Compatibility Guidelines

This product was tested and complies with the regulatory requirements and limits for

electromagnetic compatibility (EMC) stated in the product specifications. These requirements

and limits provide reasonable protection against harmful interference when the product is

operated in the intended operational electromagnetic environment.

This product is intended for use in industrial locations. However, harmful interference may

occur in some installations, when the product is connected to a peripheral device or test object,

or if the product is used in residential or commercial areas. To minimize interference with

radio and television reception and prevent unacceptable performance degradation, install and

use this product in strict accordance with the instructions in the product documentation.

Furthermore, any changes or modifications to the product not expressly approved by National

Instruments could void your authority to operate it under your local regulatory rules.

Caution To ensure the specified EMC performance, operate this product only with

shielded cables and accessories.

Caution To ensure the specified EMC performance, operate this product only with

cables less than 3 meters in length.

Verifying the System Requirements

To use the NI 5668R, your system must meet certain requirements. For more information

about minimum system requirements, recommended system, and supported application

development environments (ADEs), refer to the readme, which is available on the software

media or online at ni.com/updates.

Unpacking the Kit

Caution To prevent electrostatic discharge (ESD) from damaging the device,

ground yourself using a grounding strap or by holding a grounded object, such as

your computer chassis.

1. Touch the antistatic package to a metal part of the computer chassis.

2| ni.com | NI PXIe-5668R Getting Started Guide

2. Remove the device from the package and inspect the device for loose components or any

other sign of damage.

Caution Never touch the exposed pins of connectors.

Note Do not install a device if it appears damaged in any way.

3. Unpack any other items and documentation from the kit.

Store the device in the antistatic package when the device is not in use.

NI PXIe-5668R Getting Started Guide | © National Instruments | 3

Verifying the Kit Contents

Figure 1. NI 5668R Kit Contents and Replacement Part Numbers

13 14 15 16

467

810 11 12

1. NI PXIe-5624R IF Digitizer Module

2. NI PXIe-5606 RF Downconverter Module

3. NI PXIe-5653 Synthesizer/LO Source Module

4. SMA-to-SMA Cable, Labeled V, Part Number

152638A-01

5. SMA-to-SMA Cable, Labeled W, Part Number

152639A-01

6. SMA-to-SMA Cable, Labeled U, Part Number

152637A-01

7. SMA-to-SMA Cable, Labeled Y, Part Number

152641A-01

8. SMA-to-SMA Cable, Labeled X, Part Number

152640A-01

9. SMA Driver Bit, Part Number 190487B-01

10. RF Torque Screwdriver, Part Number 780487-01

11. Screwdriver, Part Number 772006-01

12. 50 Ω Loads (x3), Part Number 778353-01

13. Driver Software DVD

14. Read Me First: Safety and Electromagnetic

Compatibility

15. Maintain Forced-Air Cooling Note to Users

16. NI 5668R Getting Started Guide (This Document)

Note The three 50 Ω loads are shipped installed on the downconverter front panels.

4| ni.com | NI PXIe-5668R Getting Started Guide

Other Equipment

There are several required items not included in your device kit that you need to operate the

NI 5668R. Your application may require additional items not included in your kit to install or

operate your device.

• A PXI Express chassis and chassis documentation. The NI PXIe-1085 chassis is one

available option for your device. For more information about compatible chassis options,

refer to ni.com.

• An embedded controller or MXI controller system that meets the system requirements

specified in this guide and chassis documentation.

Preparing the Environment

Ensure that the environment you are using the NI 5668R in meets the following specifications.

Operating ambient temperature

(IEC 60068-2-1, IEC 60068-2-2)

0 °C to 55 °C

Operating relative humidity

(IEC 60068-2-56)

10% to 90%, noncondensing

Maximum altitude 2,000 m (800 mbar) (at 25 °C ambient

temperature)

Pollution Degree 2

Indoor use only.

Caution Clean the hardware with a soft, nonmetallic brush or lint free cloth. Make

sure that the hardware is completely dry and free from contaminants before

returning it to service.

Note Refer to the NI PXIe-5668R Specifications at ni.com/manuals for complete

specifications.

Choosing and Installing the Software

Software Options

NI provides several software options for the NI 5668R—NI-RFmx, the NI-RFSA instrument

driver software, and the NI-RFSA Soft Front Panel (SFP).

NI PXIe-5668R Getting Started Guide | © National Instruments | 5

Table 1. NI 5668R Software Options

Software

Option

Description Use Case

NI-RFmx Provides a single-handle

instrument driver with built-in

measurements.

Use NI-RFmx SpecAn to perform

spectral measurements.

Use NI-RFmx Demod to perform

modulation quality measurements,

such as EVM.

Use NI-RFmx cellular personalities to

perform physical layer measurement

analysis on supported cellular signals.

NI-RFSA

instrument

driver

The NI-RFSA APIs each provide a

fixed API for interacting with your

NI 5668R device.

NI-RFSA provides standard IVI-

based functionality needed for

most vector signal analyzer

applications.

Use NI-RFSA to create custom

measurements or applications that

require I/Q data.

Use NI-RFSA along with the

NI Modulation Toolkit to analyze

modulated signals to test receivers.

NI-RFSA SFP Controls, analyzes, and presents

data similar to stand-alone RF

vector signal analyzers. The NI-

RFSA SFP operates on the PC, so

it provides processing, storage, and

display capabilities.

Use the NI-RFSA SFP to interactively

acquire data.

Installing the Software

You must be an Administrator to install NI software on your computer.

1. Install an ADE, such as LabVIEW or LabWindows™/CVI™.

2. Insert the driver software media into your computer. The installer should open

automatically.

If the installation window does not appear, navigate to the drive, double-click it, and

double-click autorun.exe.

3. Follow the instructions in the installation prompts.

Note Windows users may see access and security messages during

installation. Accept the prompts to complete the installation.

4. When the installer completes, select Restart in the dialog box that prompts you to restart,

shut down, or restart later.

6| ni.com | NI PXIe-5668R Getting Started Guide

Installing the NI 5668R

Caution To prevent damage to the NI 5668R caused by ESD or contamination,

handle the module using the edges or the metal bracket.

You must install NI-RFSA before installing the hardware.

Before you install the hardware, refer to the guidelines in the Maintain Forced-Air Cooling

Note to Users included with the module to ensure that the device can cool itself effectively.

To use the included cables, you must install the NI 5624R IF digitizer immediately to the left

of the NI 5606 RF downconverter module, and you must install the NI 5653 LO source

module immediately to the right of the NI 5606 RF downconverter module.

1. Ensure the AC power source is connected to the chassis before installing the module.

The AC power cord grounds the chassis and protects it from electrical damage while you

install the module.

2. Power off the chassis.

3. Inspect the slot pins on the chassis backplane for any bends or damage prior to

installation. Do not install a module if the backplane is damaged.

4. Remove the black plastic covers from all the captive screws on the module front panel.

5. Identify a supported slot in the chassis. The following figure shows the symbols that

indicate the slot types.

Figure 2. Chassis Compatibility Symbols

NI PXIe-1062Q

1. PXI Express System Controller Slot

2. PXI Peripheral Slot

3. PXI Express Hybrid Peripheral Slot

4. PXI Express System Timing Slot

5. PXI Express Peripheral Slot

NI 5668R modules can be placed in PXI Express peripheral slots, PXI Express hybrid

peripheral slots, or PXI Express system timing slots.

6. Touch any metal part of the chassis to discharge static electricity.

7. Ensure that the ejector handle is in the downward (unlatched) position.

8. Place the module edges into the module guides at the top and bottom of the chassis. Slide

the module into the slot until it is fully inserted.

NI PXIe-5668R Getting Started Guide | © National Instruments | 7

Figure 3. Module Installation

NI PXIe-1075

1. Chassis

2. Hardware Module

3. Ejector Handle in Downward (Unlatched) Position

9. Latch the module in place by pulling up on the ejector handle.

10. Secure the module front panel to the chassis using the front-panel mounting screws.

Note Tightening the top and bottom mounting screws increases mechanical

stability and also electrically connects the front panel to the chassis, which can

improve the signal quality and electromagnetic performance.

11. Cover all empty slots using filler panels or fill using slot blockers to maximize cooling air

flow.

12. Power on the chassis.

Related Information

Installing the Software on page 6

Interconnecting the NI 5668R Modules

Complete the following steps to interconnect the NI 5668R front panel connectors, as shown

in the following figure.

Caution The signal pins of this product's input/output ports can be damaged if

subjected to ESD. To prevent damage, remove power from the product before

8| ni.com | NI PXIe-5668R Getting Started Guide

connecting cables and employ industry-standard ESD prevention measures during

installation, maintenance, and operation.

Figure 4. Installation of the NI 5668R Cables and 50 ΩLoads

ACCESS

ACTIVE

431

1. SMA-to-SMA Cable, Labeled V

2. SMA-to-SMA Cable, Labeled U

3. 50 Ω Load

4. SMA-to-SMA Cable, Labeled Y

5. SMA-to-SMA Cable, Labeled X

6. SMA-to-SMA Cable, Labeled W

1. Using the three SMA-to-SMA coaxial cables labeled W, X, and Y, connect the LO1,

LO2, and LO3 connectors on the NI 5653 front panel to the associated LO1 IN, LO2 IN,

and LO3 IN connectors on the NI 5606 front panel.

2. Using the SMA-to-SMA cable labeled U, connect the LO2 OUT connector on the

NI 5606 front panel to the CLK IN connector on the NI 5624R front panel.

3. Using the SMA-to-SMA cable labeled V, connect the IF OUT connector on the NI 5606

front panel to the IF IN connector on the NI 5624R front panel.

4. Install a 50 Ω load on each of the NI 5606 module LO1 OUT, LO3 OUT, and

IF IN / BIAS OUT connectors.

NI PXIe-5668R Getting Started Guide | © National Instruments | 9

5. Hand-tighten all SMA cable ends on the SMA connectors after the cable center pins are

correctly aligned and connected. The cable connectors should tighten without much

torque or effort.

Note If the SMA cable does not exactly align with the SMA connector, bend

the cable slightly by hand to align the cable and the connector. The amount of

bending should be minimal. The cables can be damaged by excessive bending.

6. Carefully complete tightening all SMA connectors to 1 N · m using an appropriate torque

wrench (not included) or torque screwdriver and SMA driver bit. Tighten only until the

wrench clicks.

Caution Incorrect torque at SMA connections can damage device connectors,

degrade signal fidelity and phase locked loop performance, or cause insertion

loss. Use an appropriate torque wrench or torque screwdriver and SMA driver

bit to ensure all SMA connections are properly torqued. SMA connectors for

connections to external equipment may require torque different from 1 N · m,

depending on the connector type, material, and manufacturer.

7. Power on your PXI Express chassis and controller system. If you are using a MXI device

and a remote controller, ensure that the chassis is powered on prior to triggering the

remote controller. Using the controller system before the chassis is powered on may

cause installed devices to not appear in MAX.

8. Verify that the ACCESS LED is on for all three modules.

Related Information

Troubleshooting on page 26

If an issue persists after you complete a troubleshooting procedure, contact NI technical

support or visit ni.com/support.

Refer to the NI RF Vector Signal Analyzers Help for information about how to make

connections using an external clock, or how to connect multiple NI 5668R modules.

Direct Connections to the NI 5606

The NI 5606 is a precision RF instrument that is sensitive to ESD and transients. Ensure you

are making proper direct connections to the NI 5606 to avoid damaging the device.

Caution Apply external signals only while the NI 5606 is powered on. Applying

external signals while the device is powered off may cause damage.

• Ensure you are properly grounded when manipulating cables or antennas connected to the

NI 5606 RF IN connector.

• If you are using noninsulated devices, such as an RF antenna, ensure the devices are

maintained in a static-free environment.

• If you are using an active device, such as a preamplifier or switch routed to the NI 5606

RF IN connector, ensure that the device cannot generate signal transients greater than the

RF and DC specifications of the NI 5606 RF IN connector.

10 | ni.com | NI PXIe-5668R Getting Started Guide

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