evolution de l’analyse spectrale et de la génération de ... · • cellular: lte, wcdma,...

Evolution de l’analyse spectrale

Et de la génération de signaux RF

Présenté par:

Erwàn Lecomte

Responsable Marketing

Analyse de Signaux

Agenda

• Rappels: qu’est-ce que l’analyse spectrale? Mesures disponibles.

• Bloc diagramme traditionnel

• Evolutions des nouveaux analyseurs de spectres et bénéfices

• Nouvelles possibilités offertes

EXAX-Series

Pric

e MXAX-Series Mid Performance 20 Hz to 26 GHz

PSAMarket Leading Performance 3 Hz to 50 GHz

8560ECSeries

Super mid-performance

New backwards CC

with 856x

option on X-Series

Sep 06

Sep 07

Sep 08

Gamme Agilent

X-Series Economy class9KHz to 26 GHz

CSALow cost portable 100 kHz to 6 GHz

N9320BBasic performance, Benchtop

Performance

ESAWorld’s Most Popular 100 Hz to 26 GHz

N9340B Hand Held

89600 VSA SoftwareWorld’s best analysis & troubleshooting

Apr 08

Sep 08

OverviewWhat is Signal, Vector and Spectrum Analysis?Qu’est-ce que l’analyse spectrale?

•Display and measure amplitude versus frequency for RF & MW signals

•Separate or demodulate complex signals into their base components (sine waves)

Amplitude

(power)

Domaine fréquentiel / domaine temporel

Time domain

Measurements(Oscilloscope)

Frequency Domain

Measurements(Spectrum Analyzer)

Parallel filters measured

simultaneously

LCD shows full

spectral display

A

FFT Analyzer

Les Analyseurs FFT et « Swept »

spectral display

ff1 f2

A

Filter 'sweeps' over range of

interest

LCD shows full

spectral display

Swept Analyzer

Les Analyseurs FFT et « Swept »

ff1 f2

spectral display

• Frequency, power, modulation, distortion & noise– Spectrum monitoring– Spurious emissions– Scalar network analysis– Noise figure & phase noise– Harmonic & intermodulation distortion– Analog, digital, burst & pulsed RF Modulation– Wide bandwidth vector analysis– Electromagnetic interference

ModulationModulation

Mesures disponibles.

– Electromagnetic interference

DistortionDistortion

NoiseNoise

Spur SearchSpur Search

Agenda


• Bloc Diagramme traditionnel



Theory of OperationSwept Spectrum Analyzer Block Diagram

Pre-Selector

Or Low Pass

Input Filter

Log

Amp

RF input

attenuator

mixer

IF filter

(RBW)envelope

detector

video

filter

IF gain

Input

signal

Schéma Analyseur de spectre traditionnel.

Input Filter

Crystal

Reference

Oscillator

filterlocal

oscillator

sweep

generator

ADC, Display

& Video

Processing

Reference

Level

Amplitude

Affichage: terminologie.

Freq. Span

Start Freq. Stop Freq.

Center Freq.

Theory of OperationMixer

MIXER

Mélangeur

fsig

LOf

fsig LO

f

LOf f

sig- LOf f

sig+RF

LO

IF

1.5 GHz

3,6 GHz 6.5 GHz

Input

IF Filter

Filtre de résolution.

Display

Input

Spectrum

IF Bandwidth

(RBW)

A B C

Envelope

Detector

Before detector After detector

Détecteur d’enveloppe

Positive detection: largest value

Digitally Implemented Detection Types

Envelope

Detector

ADC, Display &

Video Processing

Les différents types de détetcteurs

Negative detection: smallest value

in bin displayed

Positive detection: largest value

in bin displayed

Sample detection: middle value in bin

displayed

bins/buckets*

Other Detectors: Normal (Rosenfell),

Average (RMS Power)

*Sweep points

Theory of OperationVideo Filter (Video Bandwidth – VBW)

Video

Filter

Filtre Video

• Video Filter operates as the sweep

progresses, sweep time may be required to

Video Filter

ADC, Display &

Video Processing

Filtre Video ou Moyennage

progresses, sweep time may be required to

slow down by the transient response of the

VBW filter.

• Trace/Video Average takes multiple

sweeps, sweep time for each sweep is not

affected

•Many signals give the same results with

either video filtering or trace averagingTrace averaging for 1, 5, 20, and 100 sweeps, top to

bottom (trace position offset for each set of sweeps)

LCD Display, ADC

& Video processing

SWEEP

GEN

LO

RF INPUT

Autres composants

& Video processing

IF GAINRF INPUT

ATTENUATOR

(GHz)

0 3 61 2 4 5

0 31 2

3.6 GHz

f

Signal Range LO Range

input

mixer

IF filter

detector

fs

fs

fs

fLO-

fs

fLO

+fLO

3.6 6.5

Fonctionnement général

3.6

(GHz)3 64 5

(GHz)0 31 2

fIF

sweep generator

LO

LCD display

A

f

fLO

6.5

8563ASPECTRUM ANALYZER 9 kHz - 26.5 GHz

• Frequency Range

• Accuracy: Frequency & Amplitude

Spécifications importantes

• Accuracy: Frequency & Amplitude

• Resolution

• Sensitivity

• Distortion

• Dynamic Range

Agenda


• Boc diagramme traditionnel



Agenda


• Bloc diagramme traditionnel



YIGADC

Analog IF

FilterDigital IF Filter

Digital Log Amp

Digital Detectors

FFT

Swept vs . FFTAttenuation

Pre-amp

Replaced

Evolution du bloc diagramme.

Replaced

by

RFINPUT

InputAttenuator

0 - 70 dB10dB step

3 - 7 GHz

9kHz - 3GHz

300 MHz3RD LO

21.4 MHz LPF

3GHz - 26.5GHz BPF

1st LO21.4 MHz IF

321.4 MHz IF

LowbandMixer

Analog21.4 MHz BPF

3.05 GHz

LPF

Bloc Diagramme analyseur de spectre « ancien ».

2nd LO3.6G=GHz

300 MHz3.9214 GHz LPF

Mixer

Display

AnalogIF Gains

AnalogDetector

AnalogVideo Filter

ADC

AnalogPre-Filter

(Single Pole)

Digital IF Filters• 160 RBW filters

• 1 Hz to 8 MHz

• ±0.03 dB

switching error

Digital Detectors•Normal

•Peak

•Min

•Sample

FFT

DANL -153dBm

3 to 50 GHz Pre-amp

Improve 1 GHz

to -168dBm

•RMS

•QPD

•Avg

• 4.1:1 Shape factor

• Fast sweep

• EMI RBW’s

Auto Alignment

• Temp & time calibration

Bloc diagramme analyseur de spectre nouvelle génération.

Digitally Synthesized LO

• Fast tuning

• Close-in phase noise

• Far-out phase noise

14 bit ADC• Wider dynamic range

with autoranging

• Dither on/off

Digital Log Amp

• ±0.07 dB Scale Fidelity

• >100 dB Dynamic range

• ±0.0 dB reference level error

FFT vs Swept RBW • Faster Sweep

w/Max DR

Attenuation

2 dB step

to 50 GHz

Frequency Counter

• Fast (0.1s)

• High resolution (mHz)

Digital Video Filters

• Power, voltage,

log filtering

ANALOG FILTER

Typical Selectivity

Analog 15:1

Digital ≤5:1

Meilleure sélectivité des filtres digitaux

DIGITAL FILTER

ANALOG FILTER

SPAN 3 kHzRES BW 100 Hz

Components which contribute to uncertainty are:

• Input mismatch (VSWR)

• RF Input attenuator (Atten. switching uncertainty)

• Mixer and input filter (frequency response)

Précision: fréquence et amplitude

• IF gain/attenuation (reference level accuracy)

• RBW filters (RBW switching uncertainty)

• Log amp (display scale fidelity)

• Reference oscillator (frequency accuracy)

• Calibrator (amplitude accuracy)

PSA vs. Traditional

• Input impedance mismatch ±0.13 ±0.29 dB

• Input attenuator switching uncertainty ±0.18 ±0.6 dB

• Frequency response ±0.38 ±1.8 dB

• Reference level accuracy ±0.0 ±1.0 dB

• RBW switching uncertainty 0.03 0.5 dB

Plus de précision

• RBW switching uncertainty ±0.03 ±0.5 dB

• Display scale fidelity ±0.07 ±0.85 dB

• Calibrator accuracy ±0.24 ±0.34 dB

Total accuracy (up to 3 GHz) ±±±±0.62 dB vs. ±±±±1.8 dB95% Confidence ±±±±0.24 dBTypical ±0.17 dB

8563E Analog RBW

PSA Digital RBW

PSA FFT RBW

Plus de vitesse

280 sec134 sec

13.5 sec

Agenda


• Boc diagramme traditionnel



Amélioration de l’interface utilisateurSpectrum Analyzer Measurement Application

• Easy signal setup with Auto Tune

• Comprehensive, context-sensitive Help

• Preset, standards-based, 1-button power measurements ( Power Suite )

• PowerSuite

power measurements ( Power Suite )

• 12 flexible markers and 6 trace displays

• 40,001 maximum trace points

• Use advanced trace math to manipulate data

Accès facile aux mesures automatiques

PowerSuite

• TOI• Harmonic distortion

• Included in EXA; MXA

• Preset, standards-based, 1-button power measurements

• Harmonic distortion• Spurious Emissions• Burst Power• Channel power• ACPR• Occupied Bandwidth• Spectrum Emission Mask• CCDF

L’analyse de signaux vectoriels flexible89600 Vector Signal Analysis Software

• Runs INSIDE EXA/MXA (& PC, scopes, logic analyzers)

Superior modulation analysis tools • Flexible modulation analysis: 30+ modulation types

• Cellular: LTE, WCDMA, TD-SCDMA, GSM….• Wireless networking: WiMax (both), 802.11a/b/g & n• Wireless networking: WiMax (both), 802.11a/b/g & n• Other: RFID, WiMedia (UWB)• Now with up to 256 Msa of deep capture memory!

Excellent time domain tools• Time traces & markers for pulse analysis• Signal capture with advanced capture playback tools• Time gating & CCDF

Premier spectrum analysis tools• Spectrogram & Overlap processing

Eliminating the Compromise Between Speed

Des plateformes complétement ouvertes et évolutives.

Hardware

Exemple de la « série X »

Page 34

Eliminating the Compromise Between Speedand Performance

� The industry’s best performance signal analyzer

� The world’s fastest signal and spectrum analysis

� The broadest set of demodulation capabilities

� The most advanced signal analyzer user interface and connectivity

MeasurementApplications

2006 Introduction

W-CDMA

GSM/EDGE

HSDPA/HSUPA

30 to 300%Faster than

any

Technology Breakthrough

Mobile WiMAX

IQ Analyzer89601A

MXA Mid PerformanceX-Series Platform

• All Digital IF provides uncompromised accuracy and sensitivity • 26 GHz preamplifiers provide 78 dBc dynamic range• 1st signal analyzer with modern connectivity USB 2.0, 1 00 bT LAN• Open Windows XP

anySignal Analyzer


2006 2007

cdma2000

TD-SCDMA

Noise Figure

W-CDMA

Mobile WiMAX

GSM/EDGE

HSDPA/HSUPA


Page 36

European Microwave Week, Amsterdam NL

MXA

Phase Noise

Analog Demod

Mid Performance X-Series

IQ Analyzer

89601A

EXA EconomyEconomyXX--SeriesSeries

• All Digital IF• modern connectivity USB 2.0, 100 bT LAN• Open Windows XP


20082006 2007

W-CDMA

Mobile WiMAX

GSM/EDGE

HSDPA/HSUPA

Phase NoiseAnalog Demod

cdma2000TD-SCDMA

Noise Figure

LTEWLAN

BroadestSet of

Applications


Page 37Page 37

MXA

Mid Performance X-Series Economy X-Series

EXA

IQ Analyzer89601A

1xEV-DO

WLAN

UpgradeableUpgradeable40 MHz40 MHzBBIQBBIQ

Applications

• 400 Hz Power Supply• 2-year Calibration Cycle• SCPI-programmable 89601A

20082006 2007

W-CDMA

GSM/EDGE

HSDPA/HSUPA

cdma2000TD-SCDMA

Noise Figure

DVB-T/H

LTE MIMO

DTMB

EDGE Evo

1xEV-DO

LTEWLAN

MoreApplications

MoreCapabilities

Today

Page 38Page 38

MXA

Mid Performance X-Series Economy X-Series

EXA

Mobile WiMAX

HSDPA/HSUPA

IQ Analyzer

89601A

Φ NoiseAnalog Demod

Noise Figure

40 MHz BBIQ

Capabilities

• EXA 25 MHz Analysis BW• Dual MXA MIMO• Transportable applications

UpgradeableUpgradeableDualDual--CoreCore

CPUCPU

How dual-core CPU improves speed?

Measurement/OperationEXA standard

or MXA (<US/MY4910)

MXA standard (≥US/MY4910)

or EXA w/ Opt PC2Speed advantage

Local measurement and display update rate 11 ms 4 ms 175%

Remote measurement and LAN transfer rate 6 ms 5 ms 120%

5 ms 1.5 ms 233%

Single-core CPU board Dual-core CPU board

Marker peak search 5 ms 1.5 ms 233%Center frequency tune and

transfer (RF) 51 ms 20 ms 155%

Center frequency tune and transfer ( µµµµW) 86 ms 47 ms 83%

Measurement/mode switching 75 ms 39 ms 92%

• Single-core: 1.6 GHz/2 GB RAM vs. Dual-core CPU: 2.0 GHz/4 GB RAM

• By directly replace the single-core with dual core, up to 3x speed improvements are achieved

• Programming codes are not optimized for the dual-core yet- more potential for speed improvement

Transportable (TP) Licensing X-Series Signal Analyze rsMeasurement Applications

• Move app licenses between any MXA and/or EXA units!

• Only license the apps the project requires!• Pricing: 30% premium to fixed perpetual

application price

• Requires communication with Agilent

source SA target SA

.url file .lic file

1

2

3

Typical Configuration

USB Memory USB Memory

SA_335Agilent Restricted

November 3, 2008

• Requires communication with Agilent server for check in/out of license

• 10 transports per month per app• Transportable licenses require initial

redemption, not factory loaded• Exception:

• N9061A – Remote language Compatibility Application

• 89601X - VXA

Agilent Software License (ASL) server

Internet

Easy 3 steps to transport1. Transport out by copying an URL from the

source SA to your USB memory.2. Get the new license from the web using the

URL on your PC.3. Feed the new .lic file into the target SA using

USB memory.

1

2

3

Back End

X-Series Trial Licenses!

Come visit us at: http://www.agilent.com/find/xseries_trial

N5182A MXG

RFRF

N5181A MXG

RFRF

A portfolio of signal generation solutions

VectorAnalog

Basic & Mid-performance

MW

N5183A MXGNew price/performance point with fast frequency switching

N5162A MXG ATEN5161A MXG ATE

E8257D PSGHigh power,

low phase noise

MW

E8663BBest close-in phase noise

E4428C ESG

RF

High spectral purityE8267D PSG

Agilent INNOVATIONfirst vector modulation at MW

MW

E4438C ESGReal-time BBG, BERT,

digital I/Q

RFRF

High performance

High reliability, high power,and fast switching speeds

Fast switching speeds, low ACPR, high power and high

reliability


Agilent Signal Generators: Past, Present and Future - Sept. 2008

Agilent MXG RF Signal GeneratorsKey ContributionsKey Contributions

•Performance optimized for manufacturing• Small size: 2 RU

• Reliability & self-maintenance• Electronic attenuator

• Simplified design

• Signal Studio software

analog

vector

ATE

Key SpecificationsKey Specifications• High output power performance

• Up to 6 GHz

• Fastest switching speed

• Best ACPR & EVM

• 100 MHz BBG RF BW

• 160 MHz I/Q mod RF BW

• 64/100 MSa playback/storage memory

•MIMO configurations

• RF phase coherency

• Signal Studio software• 3GPP W-CDMA

• TD-SCDMA

• GSM/EDGE/EGPRS2 (EDGE Evolution)

• 3GPP2 CDMA

• 802.11 WLAN

• 802.16 WiMAX

• 3GPP LTE

• Digital Video/Audio

• Bluetooth

• Connectivity• LXI class C compliant

• 100bT, USB, GPIB

• FTP file transfer

• Code compatibility

ATEanalog or vector


Agilent MXG Microwave Analog Signal Generator

Performance Specs:Performance Specs:

Key ContributionsKey Contributions

•20 - 25 % Reduction in Price vs. PSG

•2 U Rack Height

•50 % reduction In size vs. PSG

•37 % reduction in weight vs. PSG

•Lower Cost of Ownership

N5183A MXGNew price/performance point,

fast switching

U2002A

Performance Specs:Performance Specs:• Frequency options 20 GHz, 31.8 GHz, and 40 GHz

• Fast Frequency Switching < 1ms (750us typical.)

in list mode

• Amplitude Switching < 2 ms typical

• +15 dBm optional power < 3.2 GHz

• +18 dBm optional power 3.2 GHz to 20 GHz

• ± 0.8 dB amplitude Accuracy @ 10 dBm

• Typical 10 GHz Phase noise of -98 dBc/Hz @ 20

kHz offset

• Flexible frequency reference input 1 MHz to 50

MHz

•Lower Cost of Ownership

•2 year calibration cycle• Simplified self maintenance strategy

• USB Power Meter for user flatness

corrections to a test interface

• Connectivity• 100 BT LAN, USB, GPIB

• Code compatibility with legacy signal

generators

• 8360, 8340, 837XX, 8662/3


Agilent ESG Signal GeneratorsKey ContributionsKey Contributions

•The benchmark reference signal in R&D• Advanced baseband generator

• Flexible arbitrary waveform generator

• Sophisticated real-time I/Q generator

• Fading with Baseband Studio

• Digital I/Q inputs and outputs

• Signal Studio software

analog

vector

Key SpecificationsKey Specifications• Up to 6 GHz

• Low phase noise

• High output power


• 160 MHz I/Q mod RF BW


• Signal Studio software• Over 50 formats and signal types supported

• 3GPP W-CDMA

• TD-SCDMA

• GSM/EDGE/EGPRS2 (EDGE evolution)

• 3GPP2 CDMA

• 802.11 WLAN

• 802.16 WiMAX

• 3GPP LTE

• Digital Video/Audio

• Bluetooth

• GPS

• Connectivity• 10bT, GPIB


• Code compatibilityAgilent Signal Generators: Past, Present and Future - Sept. 2008

Agilent PSG Signal Generators

Key ContributionsKey Contributions

•Advanced microwave signal simulation• Advanced baseband generator

• Flexible arbitrary waveform generator

• Sophisticated real-time I/Q generator

• Fading with Baseband Studio


analog

vector

Key SpecificationsKey Specifications• Up to 44 GHz (vector) or 67 GHz (analog)

• Extensions to 325 GHz (OML mm-wave modules)

• Industry leading low phase noise

• High output power


• 2 GHz I/Q mod RF BW



• Signal Studio software• Pulse building

• Enhanced multi-tone & NPR

• MB-OFDM UWB

• 802.11 WLAN

• 802.16 WiMAX

• Digital Video

• Connectivity• 10bT, GPIB


• Code compatibility

vector


• First to market track record • Broadest application coverage

Make complex signal simulation easy

Signal Creation – Signal Studio & Embedded SWMXGMXG

ESGESG

PSGPSG

• First to market track record- recognized benchmark reference signal

• Compatible with the market leader – MXG, ESG, & PSG vector signal generators

• Broadest application coverage- over 50 formats & signal types supported

• Fully and partially coded signals - component & receiver test applications

• MIMO applications for 3GPP LTE, WLAN 802.11 n and 802.16 WiMAX mobile• Easy-to-use

- application specific PC GUI or menu driven embedded UI

• Flexible signal creation- modify signal parameters & add impairments or corrections

• Ready for automation - most have API or SCPI

• Validated and performance optimized- by Agilent product and application experts

• Optimal creation techniques - real-time & ARB waveform signal creation

• Baseband, RF, & MW signals – calibrated digital & analog I/Q & RF/MW test signals


3GPP W-CDMA

HSPA

HSPA+HSPA+Distortion Test-

Enhanced Multitone

and NPR

Multitone

Jitter Injection

Digital, RF, & MW Fading

S-DMB

T-DMB

DVB-T/H/C/S

ISDB-T

DTMB

ATSC

DVBDVB--S2S2

J.83 Annex BJ.83 Annex B

CMMBCMMB

Bluetooth V2.1+EDRBluetooth V2.1+EDR

LLow Energyow Energy

802.16d Fixed WiMAX

802.15 MB-OFDM UWB

802.16e Mobile WiMAX Pulse Building

GPS multiGPS multi--satellitesatellite

3GPP W-CDMA

TD-SCDMA

CPRI BTS802.11 WLAN

(a/b/g/p/j/n )

Toolkit

LTE

Agilent Signal Studio & Embedded SWApplication Portfolio

New

Q4 07

New

Q2 08

New

Q3 07

MIMO AppMIMO APP

MIMO AppMIMO APP

MIMO AppMIMO APP

UPDATE

UPDATE

New March 08

New June 08Q3 08

Cellular

Communications

Wireless

Connectivity

General

RF/MicrowaveDetection, Positioning

Tracking & Navigation

Audio/Video

Broadcasting

Multitone

Calibrated AWGN

Custom Modulation

S-DMB

Real-Time TDMA:

GSM/EDGE

GPRS/EGPRS

NADC

PDC/PHS

DECT/TETRA

CDMA2000 & IS-95-A

CDMA2000 & 1xEV-DV

ARB TDMA:

GSM/EDGE

NADC

PDC/PHS

DECT/TETRA

APCO

PWT

CDPD

(a/b/g/p/j/n )

Signal Studio Application

Embedded SW Application

GSM/EDGE/EGPRS2EGPRS2

FM / RDS / RDBSFM / RDS / RDBS

mono & stereomono & stereo

New

Q4 07

Phase Noise Impairments

N5182A MXG

RF Signal Generator

E4438C ESG

RF Signal Generator

E8257D PSG

uW Signal Generator

N8300AN8300A

Wireless TestsetWireless Testset

16800/1690016800/16900

Logic Analyzer (digRF V3)Logic Analyzer (digRF V3)

New

Q4 07

New

Q4 07

New Feb 08


RF Signal GeneratorRF Signal Generator

Waveform LicensingWaveform Licensing

Fixed, perpetual

Transportable, perpetual

14 day trial

Fixed, time-base

New

Q3 07

New

Q3 08

Signal Studio

Platforms

Signal Studio

Licensing


evolution de l’analyse spectrale et de la génération de ... · • cellular: lte, wcdma,...

Documents