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RFX100 RFXpress®

Advanced RF/IF/IQ Waveform Software

The products on this datasheet are no longer being sold by Tektronix.
View Tektronix Encore for reconditioned test equipment.
Check support and warranty status for these products.

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詳細情報

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Features & Benefits

  • Quickly and Simply Create Digitally Modulated IQ, IF, and RF Waveforms
  • Great Flexibility to Customize Waveform to Meet Specific Requirements
  • Define Baseband IQ, IF, and RF Signals using a Variety of Modulation Schemes
  • Create Single and Multicarrier Signals where Each Carrier is Independently Defined
  • Define and Create Hopping Patterns
  • Apply Impairments such as Quadrature Error and Imbalance or Nonlinear Impairments
  • Add Sinusoidal Interferences, Noise (SNR), and Multipaths during Waveform Creation
  • Capture and Replay Waveforms from Oscilloscopes, Real-time Spectrum Analyzers, and MATLAB®*1 files as IQ or IF/RF
  • Add Impairments or Interference and then Replay Captured Waveforms
  • Support for Characterizing a DUT and S-parameter Emulation of RF Components
  • Apply Calibration for Flat Frequency and Linear Phase Response out of AWG
  • Support for Programmatic Interface in General-purpose and Radar Plug-ins enables Easy Integration of RFXpress into Test Automation Systems
Radar
  • Create Single or Multiple Pulse Groups to form a Coherent or Noncoherent Pulse Train
  • Define Each Pulse Group Independently or Add Different Pulse Groups to Simulate Simultaneous Multiple Target Returns
  • Define Inter and Intra Pulse-hopping Patterns in both Frequency and Amplitude
  • Define all Pulse Parameters including Start Time, Rise Time, Off Time, Fall Time, Pulse Width, Droop, Overshoot, and Ripple
  • Define a Staggered PRI with Ramp, User-defined Profiles and Add up to 10 Different Multipaths
  • Create a User-defined Pulse Sequence and use the AWG Sequence Mode to Optimize the Memory and to Create a Large Number of Pulses*3
  • Support for a Variety of Intra-modulation Types including FM Chirp, QPSK, BPSK, FM Step, Barker/Frank/Polyphase Codes including P1/P2/P3/P4, User-defined Step FM/AM and Step PM/AM, and Custom Modulation
  • Define Antenna Beam Profile and Simulate Target Returns
Generic OFDM
  • Configure All Parts of Your OFDM Signal. Build Your Own OFDM Frame from Base Data to Packets to Frames
  • Support for Reed Solomon, Convolution Coding, and Scrambling
  • Add Impairments such as Phase Noise, Multipath, and Quantization
  • Define Frequency Hopping and Gated Noise
  • Support for a Variety of Subcarrier Modulation Formats including BPSK, QPSK, QAM (16, 32, 64, 256), and 8-PSK
  • Support for Tone Nulling and Clipping
  • Presets for WiFi and WiMAX Standards
Environment Signal Generation
  • Define up to 25 Signals that Add up to your Environment
  • Support for WiMAX, WiFi, GSM, GSM-EDGE, EGPRS 2A, EGPRS2B, CDMA, W-CDMA, DVB-T, Noise, and CW Radar
  • Seamlessly Import Signals from other RFXpress Plug-ins (including Radar, Generic Signal, etc.), Matlab®*1, Tektronix Spectrum Analyzers and Oscilloscopes into the Environment
  • Configure PHY Parameters of your Standard-specific Signals
  • Ability to Control Carrier Frequency, Power, Start Time, and Duration for all the Signals in the Environment
UWB-WiMedia
  • Direct RF Generation of all the WiMedia Band Groups (BG1 to BG6) including Band Hopping*2
  • Comprehensive WiMedia Signal Generation Support for MAC and PHY Layers
  • Gated Noise Feature can be Used to Define Noise Profiles, which can be Defined Individually for Each Section of the UWB Packet (Preamble, PPDU HeadBer, and PSDU)
  • Create Tone Nulling with Intermediate Values for both Amplitude (+20 dB to –40 dB) and Phase (–180° to +180°) for OFDM Carrier Mapping
  • Apply Ready-to-Use "Real-world Interference" like WiFi (802.11a and MIMO), WiMAX, Radar, and Captured Baseband Waveforms as Interferer to the WiMedia Waveform
  • Define Your Own TFC Pattern in Custom Mode

Applications

  • Design, Characterize, and Debug Wideband Wireless Communications Receivers
  • Generate General-purpose Digitally Modulated IQ, IF, and RF Signals
  • Design, Debug, and Development of Radar Receivers and Radar Systems
  • Radar Interference Testing and Environment Signal Creation
  • Characterize WiMedia MB-OFDM Ultra Wideband (UWB) Radio Platform for Applications like Wireless USB (WUSB), FireWire, Bluetooth, and Others

*1 MATLAB® is a registered trademark of Math Works.

*2 Using Tektronix AWG7122 models with Option 06, BG5 requires calibration.

*3 Using a Tektronix AWG7000 or AWG5000 Series AWG with Option 08.

RF Signal Generation Made Easy

RF signals are becoming more and more complex, making it more difficult for RF engineers to accurately create the signals required for conformance and margin testing. To address this design challenge, RFXpress delivers advanced RF/IF/IQ creation and editing tools. RFXpress is a software package that digitally synthesizes modulated baseband, IF, and RF signals taking signal generation to the new levels by fully exploiting the wideband signal generation capabilities of Tektronix arbitrary waveform generators (AWGs).

Digitally Modulated signals are easily created with the base RFXpress package. Supporting a wide range of modulation schemes, the software allows users to create standard waveforms or customized waveforms with specific modulation and frequency-hopping criteria. In Auto mode, the software can automatically calculate the waveform length (in time (sec), samples, or symbols) and the sampling rate required to accurately create the desired output from the arbitrary waveform generator.

RFXpress also includes a calibration feature that can pre-distort the signals to provide flat frequency and linear phase response from the AWG output. RFXpress enables users to easily replicate waveforms from Tektronix oscilloscopes (*.wfm), and IQ waveforms of a real-time spectrum analyzer (*.iqt, *.tiq). Impairments, distortion, or interference can then be added to thoroughly stress test designs.

Radar Signal Creation is a software module for RFXpress that provides the ultimate in flexibility for creating Pulsed Radar waveforms. It gives users the ability to build custom Radar Pulse suites starting from pulse-to-pulse trains to pulse groups. It supports a variety of modulation schemes including LFM, Up-Down Chirp, QPSK, BPSK, Barker/Frank/Polyphase Codes including P1/P2/P3/P4, Step FM, Nonlinear FM, User-defined Step FM/AM and Step PM/AM, and Custom Modulation. It also has the ability to generate pulse trains with staggered PRI to resolve Range and Doppler ambiguity, frequency hopping for Electronic Counter-Counter Measures (ECCM), and pulse-to-pulse amplitude variation to simulate Swerling target models, including antenna scan patterns, clutter, and multipath effects.

Environment Signal Creation is a software module that allows you to emulate the interference between Radar and other communication standards to test Radar receivers under realistic and worst-case conditions. The users can configure the various standard-specific parameters of these interfering signals including power levels, start time, and duration. The time and frequency overview enables them to adjust the above parameters to quickly create worst-case scenarios. The standards that are supported in the environment module include WiMAX, WiFi, GSM, GSM-EDGE, EGPRS 2A, EGPRS2B, CDMA, W-CDMA, DVB-T, and CW Radar. It also allows seamless integration of signals created using other RFXpress plug-ins such as Generic, Radar, OFDM, and WiMedia.

Generic OFDM Creation is a software module for RFXpress that allows users to configure every part of the OFDM signal definition. It allows users to build the signal symbol-by-symbol to create a complete OFDM frame. RFXpress supports a variety of data coding formats that include Reed Solomon, Convolution, and Scrambling. Each subcarrier in the symbol can be configured independently for Type, Modulation, and Base Data. You could then add Zero Padding or Cyclic Prefix. Symbols can be modified by specifying the clipping ratio and tone nulling. A symbol table gives you a summary of all the carriers in the selected symbol. OFDM packets/frames can be built by specifying the spacing between the symbols/frames. Parts of the OFDM packets can be stressed by adding Gated Noise to it.

SPARA is a software module for RFXpress that provides emulation of RF components from touchstone files. You can cascade multiple touchstone files to emulate a RF chain. The effect of the RF component can also be de-embedded by selecting the Inversion option. This option also adds a provision to characterize a two-port device (DUT). A wizard guides you through a step-by-step process to obtain S21 characteristics (Insertion Loss) of the device in a text format.

UWB-WiMedia (UWBCF/UWBCT) is a software module for RFXpress that has the capability to digitally synthesize and generate signals in the UWB spectrum. As per the latest WiMedia specification, the software module can recreate signals that are required to band hop in real time over 1.5 GHz modulation bandwidth. UWBCF/UWBCT gives users complete control over the characteristics of the WiMedia signal including the preamble synchronization sequences, cover sequences, and TFCs in all band groups. All six band groups (BG1 to BG6) can be generated in either IQ, IF, or Direct RF signals giving users 3 different options for creating/up-converting the signals. The software operates in two modes, in the conformance mode (UWBCF) users can generate the standard waveforms that conform to the latest version of the WiMedia’s specifications, in the custom mode (UWBCT) users can adjust any part of the signal header or payload to perform for stress and margin testing.

RFXpress runs on a PC or as an integral part of Tektronix AWG7000 and AWG5000 Series arbitrary waveform generators.

Characteristics*4

*4 All ranges mentioned in the data sheet are for AWG7122 models with Opt. 06 until and otherwise explicitly stated.

Software

Digital Modulation software creation package.

Compatibility for Import and Replication of Waveform Files

Product

Description

Oscilloscopes

Tektronix TDS6000, MSO70000, DSA70000, DPO70000, and DPO7000 Series (*.wfm)

Arbitrary Waveform Generators

Tektronix AWG400, AWG500, AWG600, and AWG700 Series (*.wfm)

Real-time Spectrum Analyzers

Tektronix RSA3000, RSA5000, and RSA6000 Series (*.iqt , *.tiq)

Others

MATLAB®*1 Binary Formats (*.mat), ADS®*5 (*.txt), VSA®*5 (*.csv)

*1 MATLAB® is a registered trademark of Math Works.

*5 PSG®, ADS®, VSA® are registered trademarks of Agilent Technologies.

Instrument Control

Characteristic

Description

Tektronix Arbitrary Waveform Generators

RFXpress runs on an external PC or an integral part of the AWG7000 and AWG5000 Series. When installed as an integral part of the instrument waveform transfer and control can be performed directly from RFXpress.

Controls

   Analog

Sampling Rate, Interleave and Zeroing On/Off, Amplitude, Offset, Run, Stop and Channel Output On/Off, Sequence Run Mode (For radar plug-in only)

   Digital markers

Amplitude High, Low, and Delay

Tektronix Oscilloscopes

Remote-control Tektronix oscilloscope parameters from RFXpress

Controls

   General settings

Run, Stop, Single, and Autoset

   Vertical settings

Channel, Scale

   Horizontal settings

Scale, Record Length, Sampling Rate

Tektronix Spectrum Analyzers

Remote-control Tektronix real-time spectrum analyzer parameters from RFXpress

Controls

   Settings

Center, Start, Stop Frequency, Span, Step Size, Max Trace Points

   Acquire

Bandwidth, Samples, and Length

   Analysis

Offset, Length, Time Zero Ref, Amplitude Ref Levels

IQ Modulators

Remote-control PSG®*5 – E8267D modulator parameters from RFXpress

Controls

Frequency, Frequency Offset, Amplitude, Amplitude Offset, Output RF On/Off, Output Mod On/Off, Source Type, Frequency Mode, ALC On/Off, ALC Mode, ALC Bandwidth, ALC Levels, Attenuation Hold On/Off, ALC Power, Attenuation

   Carrier leakage suppression

IQ State, IQ Adjustment, I Offset and Q Offset

*5 PSG®, ADS®, VSA® are registered trademarks of Agilent Technologies.

RFXpress for General Purpose IQ, IF, and RF Signal Creation

Characteristic

Description

Carrier Definition

Single Carrier, Multicarrier (1 to 1024)

Amplitude

IF/RF: –100 dBm to +30 dBm

IQ: 0 VRMS to 5 VRMS

Base Data

All 0 (Zero), All 1 (One), PRBS (7, 9, 15, 16, 20, 21, 23, user defined), Pattern and File Input

Modulation Schemes

No Modulation, QPSK, π/4-QPSK, π/2-QPSK, BPSK, π/2-BPSK, n-DPSK, O-QPSK, 8PSK, O-8PSK, SD-PSK, QAM16, π/2-QAM16, QAM32, QAM64, QAM128, QAM256, QAM512, QAM1024, GMSK, 2-FSK, 4-FSK, 8-FSK, 16-FSK, 32-FSK, CPM, SBPSK, SOQPSK, ASK, OOK, AM, FM, PM, Guassian Noise, File1 (I and Q Samples), File2 (I and Q Symbols), File3 (Symbol Maps)

Symbol Map

   Total symbols

2 to 512

   Modulation modes

Normal, Diff (Continuous), Diff (Alternate)

   Rotation angle

–180° to +180°

   Offset modulation

On/Off

   Predefined map

None, BPSK, QPSK, QAM16, QAM32, QAM64, QAM128, QAM256

Filter

No Filter, Raised Cosine, Rectangular, Triangular, Square Root Raised Cosine, Gaussian (Dirac Delta), Gaussian (Rectangular), EDGE, Half Sine, User-defined Filter (from a file)

Window

No Window, Triangular, Hamming, Kaiser, Hanning, Chebyshev Ripple, Blackman, Blackman-Harris, Tapered Cosine, Exact Blackman, and Flat Top

Window Parameters

   Kaiser parameter

1 to 10

   Chebyshev ripple

10 db to 80 dB

Coding

Gray, Differential, Gray Differential, NADC, TFTS, MSAT Differential

Hopping

   Pattern

Pseudo Random (Range, List, Avoid)

      Hopping range

100 Hz to 12 GHz

      Channel spacing

100 Hz to BW

      PRBS

7, 9, 15, 16, 20, 21, 23, user defined

      Hop time

Symbols per Hop / Hops per Second

   Pattern

Custom

      Hopping parameters

Hop, Start Symbol, End Symbol, Frequency Offset (±MHz), Relative Amplitude (±dB)

Power Ramp

   Ramp functions

None, Linear, and Cosine

   Ramping time

0 to 1 second

   Power level for the symbols

from –60 dB to +20 dB

IQ Impairments

   Carrier leakage

I: –50% to +50%

Q: –50% to +50%

   Quadrature error

–30° to +30°

   IQ imbalance

–30% to +30%

   AM/AM conversion

k2: –3 dB +3 dB

k3: –3 dB to +3 dB

   AM/PM conversion

k2: –30° to +30°

k3: –30° to +30°

   Hardware skew

–100 ps to +100 ps (AWG7000)

–5 ns to +5 ns (AWG5000)

IQ Swap

On/Off

I Invert

On/Off

Q Invert

On/Off

Distortion Addition

   Amplifier distortion

Amplifier – Nonlinear, soft limiting, hard limiting

   AM/AM conversion

k3: –3 dB to +3 dB

k5: –3 dB to +3 dB

   AM/PM conversion

k3: –30° to +30°

k5: –30° to +30°

Interference Addition

   Frequency offset

–12 GHz to +12 GHz (AWG7000 Option 02/06)

–6 GHz to +6 GHz (AWG7000 standard option)

–600 MHz to +600 MHz (AWG5000)

   Sinusoidal interference

      C/I

–40 dB to +40 dB

      Frequency offset

–6 GHz to +6 GHz (AWG7000B Option 02/06)

–3 GHz to +3 GHz (AWG7000B standard option)

–185 MHz to +185 MHz (AWG5000B)

   Signal addition

Software, Hardware, IQ, and RF/IF

   Additive noise

      SNR

–40 dB to +40 dB

      Eb/No

–40 dB to +40 dB

      Bandwidth

1 Hz to 12 GHz

Multipath

   # of paths

0 to 10

   Delay

–80 symbols to +80 symbols

   Amplitude

–60 dB to 0 dB

   Phase

–180° to +180°

Subcarrier Modulation

   Modulation

AM, FM, PM

   Carrier frequency

1 Hz to 12 GHz

   AM modulation index

0 to 200%

Graphs

In-phase i(t) and quadrature q(t) component vs. time

Eye diagram I

Eye diagram q

Constellation (Vector q (t) vs. i (t))

Spectrum for both RF/IF and I/Q signals (magnitude spectrum of the I/Q signal vs. frequency)

Pulse Shape

CCDF

Spectrogram

Correction Plot of Phase and Amplitude after calibration

CPI Plot (only for radar plug-in)

Calibration*6

Calibrate the signal or calibrate the image IQ Direct, IQ with Modulator, IF with Mixer & RF

   Average

1 to 100

   Start frequency

10 MHz to 0.49 fs

   End frequency

10 MHz to 0.49 fs

   Frequency resolution

1 MHz to 10 MHz in increments of 1 MHz

Supported Instruments

Tektronix TDS6000, MSO70000, DSA70000, DPO70000, DPO7000 Series Oscilloscopes and RSA6000, RSA5000 Series Real Time Spectrum Analyzers

*6 DUT characterization is supported only on AWG7000 Series instruments.

RFXpress Plug-in for Radar Signal Creation

Characteristic

Description

Number of Pulses

4096 max

Groups

Simulate Simultaneous Multiple Targets Returns using "Add Pulse Group" feature

Pulse Shape

Trapezoidal, Raised Cosine, Exponential, Rectangular, Saw Tooth, and Custom

Pulse Parameters

Start Time (To), Rise Time (Tr), Pulse Width (Ton), Fall Time (Tf), Off Time (Toff)

Amplitude Relative to Carrier

–80 dB to 0 dB

Offset from Carrier Frequency

–12 GHz to +12 GHz (AWG7000 Option 02/06)

–6 GHz to +6 GHz (AWG7000 standard option)

–600 MHz to +600 MHz (AWG5000)

Staggered PRI

   Ramp

–180° to +180°

   User defined

 

Modulation

 

Linear Frequency Modulation (LFM)

   Sweep range

0 to 12 GHz

   Frequency sweep

Low to High, High to Low

Bi-phase Coded Pulse – Barker

2, 3, 4, 5, 7, 11, 13

Polyphase Codes

   # of steps

200

   Initial offset

–180° to +180°

   Phase offset

–180° to +180°

User-defined Step PM/AM

 

BPSK

1 to 200 Symbols/Pulse

QPSK

1 to 200 Symbols/Pulse

Polyphase Codes

P1, P2, P3, P4

1 to 10 code lengths

Frank Code

1 to 10 code lengths

Up-Down Chirp

1 to 12 Up-Downs with an option to Invert

Step Frequency Modulation

   # of steps

200

   Initial step

–12 GHz to +12 GHz

   Step size

–12 GHz to +12 GHz

Nonlinear FM

 

User-defined Step FM/AM

 

Custom Modulation

 

Pulse-to-Pulse Hopping

Frequency Offset (±MHz), Relative Amplitude (±dB)

Pulse Impairments

   Edge jitter

Gaussian, Uniform

   Width jitter

Gaussian, Uniform

Amplitude Deviation

   Droop

–50% to 50%

   Overshoot

0% to 50%

   Ripple

0% to 50%

   Ripple frequency

1 Hz to 12 GHz

Multipath

   # of paths

0 to 10

   Delay

0 to PRI (in μs)

   Amplitude

–60 dB to 0 dB

   Phase

–180° to +180°

Antenna

   Beam type

Sinc, Guassian, user defined

   Beam width

0° to +180°

   MRA (Max Radial Axis)

0° to +180°

   Scan rate

0 to 180°/s

Clutter

   Signal to Clutter Ratio

–60 dB to +60 dB

   Start Time Duration

0 s to PRI

   Statistical Profile

Rayleigh

   Power Spectral Density

None, Guassian

   Clutter Frequency Offset

–12 GHz to +12 GHz (AWG7000 Option 02/06)

–6 GHz to +6 GHz (AWG7000 standard option)

–600 MHz to +600 MHz (AWG5000)

IQ Impairments

   Carrier leakage

I: –50% to +50%

Q: –50% to +50%

   Quadrature error

–30° to +30°

   IQ imbalance

–30% to +30%

   Hardware skew

–100 ps to +100 ps (AWG7000)

–5 ns to +5 ns (AWG5000)

   IQ swap

On/Off

Signal Addition

Software, Hardware, IQ, and RF/IF

Noise

   SNR

–60 dB to +60 dB

   Bandwidth

0.01 fs to 0.50 fs

RFXpress Option for S-parameter and DUT Characterization

Characteristic

Description

S-parameter

   Mode

Noncascading, Cascading (6 max)

   Filter bandwidth

Auto, Full Bandwidth, Manual (1 Hz to 12 GHz)

   File formats

s1p, s2p, and s4p (single-ended and differential), *.txt created from DUT characterization

   Apply inversion

On/Off

DUT Characterization*6

Frequency

Start, Stop, and Resolution

# of Iterations

1 to 5

Mixer

On/Off – Low Frequency, LSB, USB

Plot

Amplitude, Phase

Output File

*.txt (containing S21 characteristics)

*6 DUT characterization is supported only on AWG7000 Series instruments.

RFXpress Plug-in for Environment Signal Generation

Characteristic

Description

Carrier Magnitude Peak

–2 dBm to 3.9 dBm

Standards Supported

WiFi (a/b/g), WiMAX, GSM, CDMA, W-CDMA, DVB-T

Common Parameters

Carrier frequency, power in dB, start time, and duration of the signal, option to periodically extend

Configuration Parameters for Individual Standards

   WiFi (802.11a)

      Data Rate

6, 9, 12, 18, 24, 36, 48, 54 Mb/s

      Data Length

40, 1024 bytes

      Off Time

1 μs to 1 s

   WiFi (802.11b)

      Data Rate

1 Mb/s – Barker DPSK, 2 Mb/s – Barker DQPSK, 5.5 Mb/s – CCK DQPSK, 11 Mb/s – CCK DQPSK, 5.5 Mb/s – PBCC BPSK, 11 Mb/s – PBCC QPSK

      Data Length

40, 1024 bytes

      Off Time

1 μs to 1 s

   WiFi (802.11g)

      Data Rate

1 Mb/s – Barker DPSK, 2 Mb/s – Barker DQPSK, 5.5 Mb/s – CCK DQPSK, 11 Mb/s – CCK DQPSK, 5.5 Mb/s – PBCC BPSK, 11 Mb/s – PBCC QPSK, 22 Mb/s – PBCC 8PSK, 6 Mb/s – OFDM, 9 Mb/s – OFDM, 12 Mb/s – OFDM, 18 Mb/s – OFDM, 24 Mb/s – OFDM, 36 Mb/s – OFDM, 48 Mb/s – OFDM, 54 Mb/s – OFDM

      Data Length

40, 1024 bytes

      Off Time

1 μs to 1 s

   WiMAX (802.16e) Downlink Only

      Bandwidth

1.25, 2.5, 5, 7, 10, 15, 20, 28 MHz

      Modulation

BPSK, QPSK, QAM16, QAM64

      Payload

4, 10, 40

      Off Time

1 μs to 1 s

      Guard Interval

1/4

   GSM

      Frequency Band

900, 1800, 1900 MHz

      Transmit

Base, Mobile

      Radio Format

GSM, EDGE, EGPRS2A, EGPRS2B

      Time Slot Burst Type

Normal, Frequency Correction, Synchronization, Access, Dummy

   CDMA

      Link

Forward, Reverse

      Number of Channels

9, 12, 15

      Radio Configuration

RC1, RC2, RC3, RC4, RC5

      Data Rate

1200,1500, 1800, 2400, 2700, 3600, 4800, 7200, 9600, 14400 bps

   W-CDMA

      Link

Up, Down

      Downlink Mode

DPCH, Test Mode 1 to 6

      Number of DPCH Channels

1 to 6

      Data Rate

15, 30, 60, 120, 240, 480, 960 Kb/s

   DVB-T

      Transmission

Hierarchical, Non-hierarchical

      Alpha

1

      Mode

2K, 8K

      Bandwidth

5, 6, 7, 8 MHz

      Modulation

QPSK, 16QAM, 64QAM

      Interleaver

Native, In-depth

   Noise

      Bandwidth

White, Band Limited

      Duration

0 to 1 s

RFXpress Plug-in for OFDM Signal Creation

Characteristic

Description

Carrier Magnitude

–2 dBm to 3.9 dBm

Base Data

Up to 8 max

All 0 (Zero), All 1 (One), PRBS (7, 9, 15, 16, 20, 21, 23, user defined), pattern, and file input

Data Coding

Reed Solomon, Scrambling, and Convolution

Symbol

   Spacing between carriers

1 Hz to 12 GHz

   # of subcarriers

2 to 65536

   Subcarrier type

Data, Pilot, Null, and Guard

   Subcarrier modulation

BPSK, QPSK, 16-QAM, 32-QAM, 64-QAM, 256-QAM, 8-PSK

   Zero Padding / Cyclic Prefix

0 ns to 1 s or 0% to 1000%

   Frequency offset

–12 GHz to +12 GHz (AWG7000 Option 02/06)

–6 GHz to +6 GHz (AWG7000 standard option)

–600 MHz to +600 MHz (AWG5000)

Packet

   Preamble/ Postamble

As file input

   Spacing between symbols

0 ps to 1 s

   Overlap between symbols

0% to 50%

   Overlap window

None, Trapezoidal, Hanning, Hamming, Blackmann

Hopping

   Hopping parameters

Hop, Start Symbol, End Symbol, Frequency Offset (±MHz), Relative Amplitude (±dB)

Gated Noise

   Symbols S/N

–60 dB to +60 dB

Frames

   Spacing between packets

42 ps to 1 s

Multipath

   # of paths

0 to 10

   Delay

84 to 1 frame (in μs)

   Amplitude

–60 dB to 0 dB

   Phase

–180° to +180°

Phase Noise

   Time model

      Profile

1/f0, 1/f1, 1/f2, 1/f4

      VCO bandwidth

1 Hz to 6 GHz

      Phase noise (RMS)

0.01° to 180°

   Frequency profile model

      Frequency offset

1 Hz to 6 GHz (in 5 steps)

      dBc/Hz

–40 to –180

Distortion Addition

   Quantization

1 to 10 bits

Presets

WiFi (802.11a 36 Mb/s), WiMAX (802.16-2004 Down Link 5 MHz, 10 MHz, and 20 MHz)

RFXpress Plug-in for UWB-WiMedia Signal Generation

Characteristic

Description

RFXpress Plug-in for UWB-WiMedia IQ, IF, and RF

Conformance Signal Creation (UWBCF)

Custom Signal Creation (UWBCT)

Setup

In addition to user-defined setup using “My setup”, three example setups are provided:

 

WiMedia Specs Example Packet

53.3, 80, and 106.7 Mb/s Packets

480 Mb/s Burst Mode Packets

Marker Mapping

Two markers can be mapped for each of the bands with a marker delay ranging from:

–312.5 ns to +312.5 ns

Number of Packet Groups

1 to 100

Number of Packets in a Packet Group

1 to 30

Packet Group Repetition

1 to 100 times

Group Start Delay

0 to 200 symbols

Group End Delay

0 to 200 symbols

Spacing between Packets

   Standard mode

6 symbols to 200 symbols.

(Can be defined in pSIFS and pMIFS)

Payload Source

WiMedia Spec Example

   ALL 0 (Zero), ALL 1 (One)

   PRBS7, 9, 15, 16, 20, 21, and 23

   User Defined (by file input)

Tone Nulling

–40 dB to +20 dB

MAC Header

10 byte MAC header data can be selected from WiMedia Spec Example

   ALL 0 (Zero), ALL 1 (One)

   PRBS7, 9, 15, 16, 20, 21, and 23

   User Defined: wherein user can enter the MAC header pattern and file input

Packet Mode

Standard, Burst

Preamble Type

Standard or Burst for data rates greater than 200 Mb/s

Packet Size

   Standard mode

0 to 4095

   Burst mode

1 to 4095

BandGroup

BandGroup1 to BandGroup6

TF Code

TFC1 to TFC10

BandGroup Center Frequency

Can be defined by the user

Calibration

RF and IF

IQ Impairments

   Carrier leakage

I: –50% to +50%

Q: –50% to +50%

   Quadrature error

–30° to +30°

   IQ imbalance

–30% to +30%

   AM/AM conversion

k2: –3 dB to +3 dB

k3: –3 dB to +3 dB

   AM/PM conversion

k2: –30° to +30°

k3: –30° to +30°

   Hardware skew

–100 ps to +100 ps (AWG7000)

–5 ns to +5 ns (AWG5000)

Distortion Addition

   Amplifier distortion amplifier

No linear, soft limiting, hard limiting

   AM/AM conversion

k3: –3 dB to +3 dB

k5: –3 dB to +3 dB

   AM/PM conversion

k3: –30° to +30°

k5: –30° to +30°

Interference Addition

   Frequency offset

–12 GHz to +12 GHz (AWG7000 Option 02/06)

–6 GHz to +6 GHz (AWG7000 standard option)

–600 MHz to +600 MHz (AWG5000)

   Sinusoidal interference C/I

–60 dB to 60 dB

Real-world signal interference

WiMAX, WiFi (MIMO), WiFi (802.11a), Radar, IQ Interference Signal as file input

   Frequency

1 Hz to 12 GHz

   Amplitude

–60 dB to +60 dB

Signal Addition Software, Hardware IQ and RF/IF

 

Gated Noise

   Packets

Preamble S/N, PLCP Header S/N, Payload S/N – "–40 dB to +20 dB"

   Symbols S/N

–40 dB to +20 dB

Multipath

   # of paths

0 to 10

   Delay

–2 symbols to +2 symbols

   Amplitude

–60 dB to 0 dB

   Phase

–180° to +180°

Conformance Mode

   Data rates

53.3, 80, 106.7, 160, 200, 320, 400, and 480 Mb/s

Custom Mode

   TF code

TFC1 to TFC10 and user defined. User can define his/her own hopping sequence and number the TFC code from 1 to 15.

Select this option to generate signals for the selected TF code without hopping. However, markers still continue to hop based on the TFC pattern.

   User-defined components in the PPDU structure

Preamble Time Domain Base Sequence, Cover Sequence, Reserved bits, Tail bits, HCS, Channel Estimation, Frame Payload, Sequence, Length, Scrambler Init, Hopping Pattern, Reed Solomon parity bits and FCS can either be calculated/taken from standard or can be defined by the user

   Provision to switch off the PLCP header and the PSDU

 
System Requirements

The following PC configuration is required to install the offline version.

Note: The hardware requirements detailed here are the minimum required. Additional processing power and memory will increase the performance of the generation software.

  • PC with genuine Intel Pentium class >1.2 GHz processor recommended
  • Intel or 100% compatible motherboard chipset
  • Windows XP Operating System, Windows Vista Business Edition (English Language), or Windows 7
  • 512 Megabytes (MB) RAM
  • 2 GB of available hard disk space for the applications and documentation
  • XVGA 1024×768 with 120 dpi font size recommended
  • CD-ROM or DVD drive
  • Keyboard and Microsoft mouse or other compatible pointing device

Ordering Information

RFX100

RFX100 can be ordered as follows:

RFXpress

Product

Option

Description

RFX100

   

Base Software: RFXpress for general purpose RF, IF, and IQ signal creation

RFXpress plug-in for:

   

Opt. UWBCF

UWB-WiMedia IQ, IF, and RF conformance signal creation (requires RFX100 as prerequisite)

   

Opt. UWBCT

UWB-WiMedia IQ, IF, and RF custom and conformance signal creation (requires RFX100 as prerequisite and includes Opt. UWBCF)

   

Opt. RDR

Radar Signal Creation

(requires RFX100 as prerequisite)

   

Opt. SPARA

S-parameter emulation and DUT characterization (requires RFX100 as prerequisite)

   

Opt. OFDM

OFDM Signal Creation (requires RFX100 as prerequisite)

   

Opt. ENV

Environment Signal Generation (requires RFX100 as prerequisite)

   

Opt. ENV01

Bundling Option – Opt. ENV + Opt. RDR (requires RFX100 as prerequisite)

   

Opt. ENV02

Bundling Option – Opt. ENV + Opt. RDR + Opt. OFDM (requires RFX100 as prerequisite)

   

Opt. ENV03

Bundling Option – Opt. ENV + Opt. RDR + Opt. OFDM + Opt. SPARA (requires RFX100 as prerequisite)

   

Opt. ENV04

Bundling Option – Opt. ENV + Opt. RDR + Opt. OFDM + Opt. SPARA + Opt. UWBCT (requires RFX100 as prerequisite)

Product Upgrades

Product

Option

Description

RFX100

Opt. RFXUP ENV

Upgrade option to add Environment Signal Generation to RFX100

Opt. RFXUP RDR

Upgrade option to add Radar Signal Generation to RFX100

Opt. RFXUP SPARA

Upgrade option to add S-parameter and DUT Characterization to RFX100

Opt. RFXUP OFDM

Upgrade option to add Generic OFDM Signal Generation to RFX100

Opt. RFXUP UWBCF

Upgrade option to add UWB-WiMedia Conformance Signal Generation for RFX100

Opt. RFXUP UWBCFT

Upgrade option to add UWB-WiMedia Custom Signal Generation to RFX100 (requires Opt. UWBCF)

Opt. RFXUP UWBCT

Upgrade option to add UWB-WiMedia Customer and Conformance Signal Generation to RFX (includes Opt. UWBCF)


  • A000_0002
    A000_0004
    		 Tektronix is registered to ISO 9001 and ISO 14001 by SRI Quality System Registrar.

    A000_0006
    		 Product(s) complies with IEEE Standard 488.1-1987, RS-232-C, and with Tektronix Standard Codes and Formats.

    76W-20817-8