Create Single or Multiple Pulse Groups to form a C oherent or
Noncoherent Pulse Train
Define Each Pulse Group Independently or Ad d 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 Pro files 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*
Support for a Variety of Intra-modulation Types including FM Chirp,
QPSK, BPSK, FM Step, Barker/Frank/Polyphase Codes including
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 E ach 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
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 Impai
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
rments such as Phase Noise, Multipath, and Quantization
3
Add Impairments or Interference and then Replay Captured Waveforms
Support for Characterizing a DUT a nd 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 R adar
Plug-ins enables Easy Integration of RFXpress into Test Automation
Systems
Data Sheet
UWB-WiMedia
Direct RF Generation of all the WiMed ia 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 UW B 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
Characterize WiMedia MB-OFDM Ultra Wideband (UWB) Radio Platform
for Applications like Wireless USB (WUSB), FireW ire, Bluetooth, and
Others
*1MATLAB®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 wit
*
RF Signal Gen eration Made Easy
RF signals ar
for RF engineers to accurately create the sign als required for conformance
and margin testing. To address this design challenge, RFXpress delivers
advanced RF/IF/IQ cre ation 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 gene
(AWGs).
e becoming more and more com plex, making it more difficult
ration capabilities of Tektronix arbitrary waveform generators
hOption08.
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
oscilloscope
s (*.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, B arker/F rank/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 Count e r-Counter Measures (ECCM), and
pulse-to-pulse amplitude va riation to simulate Swerling target models,
including antenna scan patterns and multipath effects.
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 give s you a
summary of a
ll the carriers in the selected symbol. OFDM packets/frames
can be built by specifying the spacing between the symbols/frames. Parts of
theOFDMpacketscanbestressedbyaddingGatedNoisetoit.
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 s
tep-by-step process to obtain S21 characteristics (Insertion
Loss) of the device in a text format.
2 www.tektronix.com
Advanced RF/IF/IQ Waveform So ftware — RFX100 RFXpress
®
UWB-WiMedia (UWBCF/UWBCT) is a software module for RFXpress
that has the capability to digitally synthesize and generate signals in the
UWB spectrum. A
s 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 giv
ing users 3 different options for creating/up-convert in g 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*
*4All ranges mentioned in the data sheet are for AWG7122 models with Opt. 06 until and otherwise explicitly
stated.
4
Software
Digital Modulation software creation package.
Compatibility for Import and Replication of Waveform Files
ProductDescription
OscilloscopesTektronix TDS6000, MSO70000, DSA70000, DPO70000, and
DPO7000 Series (*.wfm)
Arbitrary
Waveform
x AWG400, AWG500, AWG600, and AWG700 Series
Tektro n i
(*.wfm)
Generators
Real-time
Tektronix RSA3000 and RSA6000 Series (*.iqt , *.tiq)
Spectrum
Analyzers
,ADS®, VSA®are registered trademarks of Agilent Technologies.
*
PSG
Instrument Control
Characteristic
Tekt r o nix
Arbitrary
Waveform
Generators
Description
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
Tekt r o nix
Oscilloscopes
Remote-control Tektronix oscilloscope parameters from
RFXpress
Controls
General
Run, Stop, Single, and Autoset
settings
Vertical
Channel, Scale
settings
Horizontal
Scale, Record Length, Sampling Rate
settings
Tekt r o nix
Spectrum
Analyzers
Remote-control Tektronix real-time spectrum analyzer
parameters from RFXpress
Controls
SettingsCenter, Start, Stop Frequency, Span, Step Size, Max Trace
Points
Acquire
Analysis
IQ Modulators
Bandwidth, Samples, and Length
Offset, Length, Time Zero Ref, Amplitude Ref Levels
Remote-control PSG®*5– E8267D modulator parameters from
RFXpress
ControlsFrequency, 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
IQ State, IQ Adjustment, I Offset and Q Offset
suppression
*5PSG®,ADS®,VSA®are registered trademarks of Agilent Technologies.
www.tektronix.com 3
Data Sheet
RFXpress for General Purpose IQ, IF, and RF Signal Creation
Characteristic
Description
Carrier Definition Single Carrier, Multicarrier (1 to 1024)
Amplitude
Base Data
IF/RF: –100 dBm to +30 dBm
IQ: 0 V
RMS
to 5 V
RMS
All 0 (Zero), All 1 (One), PRBS (7, 9, 15, 16, 20, 21, 23, user
Two markers can be mapped for each of the bands with a
marker delay ranging from:
–312.5 ns to +312.5 ns
1to100
1to30
1to100times
0to200symbols
0to200symbols
6 symbols to 200 symbols.
(Can be definedinpSIFSandpMIFS)
WiMedia Spec Example
ALL 0 (Zero), ALL 1 (One)
PRBS7, 9, 15, 16, 20, 21, and 23
User Defined (by file input)
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
Standard, Burst
Standard or Burst for data rates greater than 200 Mb/s
0to4095
Canbedefined by the user
RF and IF
Q: –50% to +50%
–30° to +30°
k2:–3dBto+3dB
k3:–3dBto+3dB
Characteristic
AM/PM
conversion
Hardware
skew
Distortion Addition
Amplifier
distortion
amplifier
AM/AM
conversion
AM/PM
conversion
Interference Addition
Frequency
offset
Sinusoidal
interference
C/I
Real-world signal
interference
Frequency
Amplitude–60 dB to +60 dB
Signal Addition
Software,
Hardware IQ and
RF/IF
Gated Noise
Packets
Symbols S/N
Multipath
# of paths
Delay–2 symbols to +2 symbols
Amplitude–60 dB to 0 dB
Phase
Conformance Mode
Data rates
Custom Mode
TF code
User-defined
components
in the PPDU
structure
Provision to
switch off the
PLCP header
and the PSDU
Description
k2: –30° to +30°
k3: –30° to +30°
–100 ps to +10
–5 ns to +5 ns (
No linear, soft limiting, hard limiting
k3:–3dBto+3dB
k5:–3dBto+3dB
k3: –30° to +30°
k5: –30° to +30°
–12 GHz to +12 GHz (AWG7000 Option 02/06)
–6 GHz to +6 GHz (AWG7000 standard option)
–600 MHz to +600 MHz (AWG5000)
–60dBto60dB
WiMAX, WiFi (MIMO), WiFi (802.11a), Radar, IQ Interference
Signal as file input
1Hzto12GHz
Preamble S/N, PLCP Header S/N, Payload S/N – "–40 dB to
+20 dB"
–40dBto+20dB
0to10
–180° to +180°
53.3, 80, 106.7, 160, 200, 320, 400, and 480 Mb/s
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.
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
0 ps (AWG7000)
AWG5000)
www.tektronix.com 7
Data Sheet
System Requirements
The following P
Note: The hardware requirements detailed here are the minimum required.
Additional pr
generation software.
Cconfiguration is required to install the offline version.
ocessing power and memory will increase the performance of the
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
RFX100
RFXpress plug-in for:
Opt. UWBCFUWB-WiMedia IQ, IF, and RF conformance signal
Opt. UWBCTUWB-WiMedia IQ, IF, and RF custom and
Opt. RDRRadar Signal Creation
Opt. SPARAS-parameter emulation and DUT characterization
Opt. OFDMOFDM Signal Creation
Base Software: RFXpress for general purpose
creation (requires RFX100 as prerequisite)
conformance signal creation (requires RFX100 as
prerequisite and includes Opt. UWBCF)
(requires RFX100 as prerequisite)
(requires RFX100 as prerequisite)
(requires RFX100 as prerequisite)
Description
RF, IF, and IQ signal creation
Contact Tektronix:
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Balkans, Israel, South Africa and other ISE Countries +41 52 675 3777
Central East Eu
Mexico, Central/South America & Caribbean (52) 56 04 50 90
* European toll-free number. If not accessible, call: +41 52 675 3777
For Further Information. Tektronix maintains a comprehensive, constantly expanding
collection of application notes, technical briefs and other resources to help engineers working
on the cutting edge of technology. Please visit www.tektronix.com
rope, Ukraine, and the Baltics +41 52 675 3777
Central Europe & Greece +41 52 675 3777
Middle E ast,
Asia, and North Africa +41 52 675 3777
The Netherlands 00800 2255 4835*
People’s Rep
Republic of
United Kingdom & Ireland 00800 2255 4835*
sia (65) 6356 3900
Austria 00800 2255 4835*
Belgium 00800 22
Brazil +55(11)37597600
Canada 1 800 833 920 0
Denmark +4580881401
Finland +41526
France 008 00 2255 4835*
Germany 00800 2255 4835*
Hong Kong 400 8
India 000 800 650 1835
Italy 00800 2255 4835*
Japan 81 (3) 67
Luxembourg +41526753777
ublic of China 400 820 5835
Poland +41 52 675 3777
Korea 001 800 8255 2835
Russia & CIS +7 (495) 7484900
South Africa +41526753777
Spain 00800
Sweden 008 00 2255 4835*
Switzerland 00800 2255 4835*
Tai wa n 886 (
55 4835*
75 3777
20 5835
14 3010
Norway 800 16098
Portugal 80 08 12370
2255 4835*
2) 2722 9622
USA 1 800 833 9 200
Updated 25 May 2010
Product(s) are manufactured in ISO registered facilities.
Product(s) complies with IEEE Standard 488.1-1987, RS-232-C, and with Tektronix
Standard Codes and Formats.