Atec Spirent-TAS5600 User Manual download pdf

AccelerateAssure

Analyze

Spirent Communications

541 Industrial Way West

Eatontown, New Jersey

07724, U.S.A.

Tel: +1 732-544-8700

Fax: +1 732-544-8347

tas.sales@spirentcom.com

Sales Contacts:

North America

+1 800-927-2660

Europe, Middle East, Africa

+33-1-6137-2250

Asia Pacific

+852-2166-8382

All Other Regions

+1 818-676-2683

www.spirentcom.com

Universal Interference Emulator

TAS5600

Dramatically simplifies the test

setup required for compre-

hensive receiver performance

analysis.

Wireless equipment’s mitigation of the

effects of co-channel and adjacent

channel interference directly affects key

performance metrics such as capacity,

quality, and coverage. A receiver’s

performance must be characterized over

a variety of channel conditions that

reflect real world operating conditions.

This characterization must be done

precisely, as small differences in receiver

performance can have a dramatic

impact on performance metrics.

Uncertainty in test conditions leads to

an even greater uncertainty in test

results.

Creating a test setup for today’s

wireless receivers can be a challenging

task given all of the elements required.

Covering all types of real-world

interference requires combining signal

generators, noise generators, cables,

and RF combiners. The challenges

inherent in constructing a test rack for

receiver characterization include:

■

Interferer Phase Noise

■

Modulated Interferer ACLR

■

Test set VSWR interactions

contributing to amplitude

uncertainty

■

Signal-to-noise ratio accuracy

■

Receiver sensitivity testing

accuracy

■

Test set self-intermodulation

■

Test set repeatability and

reproducibility

■

Minimization of technical resource

involvement necessary to perform

the test

Spirent’s TAS5600 Universal

Interference Emulator addresses these

issues by combining all of the necessary

hardware to facilitate receiver testing.

The TAS5600 addresses critical receiver

test setup issues such as signal-to-

noise ratio accuracy, output power

accuracy, phase noise, ACLR, test set

VSWR interaction, and repeatability

over time and across multiple test

setups.

Specifically, the TAS5600 combines

the functionality of two high-

performance, low phase noise signal

generators, two arbitrary waveform

generators, two real-time signal

generators, a precision instrument

grade power meter, and high accuracy

RF attenuators, across multiple RF

channels to support diversity testing.

This powerful combination of hardware

is housed within a single rack-

mountable chassis.

Benefits:

■

Increases confidence in test results

■

Reduces test time

■

Assures repeatable results over time

and across multiple test setups

■

Integrates of all receiver testing

components eliminating unweildy

test setups

TAS5600 is a

powerful,

integrated

solution for

evaluating receiver

performance.

Major Features:

■

Precise, repeatable C/N and C/I

emulation in one integrated

instrument

■

Application-specific UMTS and

CDMA2000 interferers

■

Integrates functionality of multiple

signal generators, attenuators and

measurement devices

■

Signal generation engine with long

data sequences for maximum

confidence in test results

■

GSM modulated inteferer, with

optional fading, is ideal for dual

mode test applications

■

Combines with Spirent’s SR5500 to

provide fading conditions necessary

for complete receiver testing

■

Two independent RF channels for

receiver diversity testing

■

Maintains signal path during

calibration cycle to speed up test

execution

■

TASKIT

software provides easy

setup and control

1 2 3 4 5 6 ... 11 12

Summary of Contents

Page 1

TMAccelerateAssureAnalyzeSpirent Communications541 Industrial Way WestEatontown, New Jersey07724, U.S.A.Tel: +1 732-544-8700Fax: +1 732-544-8347tas.sa

Page 2 - Generator 2

10TAS5600 Universal Interference EmulatorTAS5600 Specifications The following specifications describe warranteed performance over thetemperature range

Page 3 - C2K-LAB and UMTS-LAB Test

11TAS5600 Universal Interference EmulatorTAS5600 Specifications cont.Bandlimited AWGNAWGN Bandwidth<0.5 dB Ripple >5.76 MHz6 dB Rolloff 7.4 MHzC

Page 4 - BLER/FER

Page 5

2TAS5600 Universal Interference EmulatorTAS5600 combines precision interference generators, a power meter, attenuators,signal combiners and a duplexer

Page 6 - UMTS Receiver Testing

3TAS5600 Universal Interference EmulatorTAS5600 and SR5500combine to form aphysical layer test systemfor base stations.Base Station Test Configuration

Page 7 - GSM Modulated Interferers

4TAS5600 Universal Interference EmulatorIn order to have confidence in receiverperformance test results, the level ofuncertainty of the test system mu

Page 8 - CDMA2000 Receiver Testing

5TAS5600 Universal Interference EmulatorTRACE A: Ch1 Spectrum-50dBmLogMag10dB/div-150dBmCenter: 2 GHz Span: 60 MHzUser’sSignalCWInterferer

Page 9 - CDMA2000 Interference Types

6TAS5600 Universal Interference EmulatorIn order to verify that UMTS UserEquipment and Node-Bs conform to3GPP standards, various co-channeland adjacen

Page 10 - TAS5600 Specifications

7TAS5600 Universal Interference EmulatorTAS5600 provides allthe applicableWCDMA Uplink andDownlink channels.This is a Code Domainplot for a WCDMADownl

Page 11 - TAS5600 Specifications cont

8TAS5600 Universal Interference EmulatorIn order to verify that CDMA2000handsets and base stations conform tothe requirements of IS-97 or IS-98standar

Page 12 - 12/03 v.22

9TAS5600 Universal Interference EmulatorThe TAS5600 contains the necessarymodulated interferers for both forwardand reverse link receiver adjacentchan

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