2.7 GHz RF Signal Analyzer
NI PXI-5660
• 9 kHz to 2.7 GHz
• 20 MHz instantaneous bandwidth
• High-stability timebase
(10 MHz OCXO)
• ±20 ppb frequency stability
• ±50 ppb frequency accuracy
• >80 dB spurious-free dynamic range
• +30 dBm full signal input range
• 14-bit resolution, 64 MS/s digitizer
• 16 or 32 million sample memory
Recommended Software
• LabVIEW
• LabWindows
™
/CVI
Application Software (included)
• Spectral Measurements Toolkit
Driver Software (included)
• NI-TUNER
• NI-SCOPE
Calibration Certificate Included
Operating Systems
• Windows XP/2000/NT
Overview
The National Instruments PXI-5660 is a modular RF signal analyzer optimized
for automated test. It provides fast RF measurements in a compact, 3U PXI
package. The NI PXI-5660 features a wide instantaneous bandwidth, highly
stable timebase, and vector measurement capabilities that make it ideal
for applications such as RF component and commercial electronic test
applications. The PXI-5660 is shipped with the National Instruments
Spectral Measurements Toolkit, which offers a breadth of spectral
analysis functions including in-band power, adjacent-channel power,
and power and frequency-peak-search ability. Additionally, it provides
vector capabilities, such as 3D spectrograms, I/Q data for modulation
analysis, and analog modulation analysis functions.
Superior Measurement Throughput
The most significant advantage of the PXI-5660 over traditional RF
instrumentation is measurement throughput. Figure 1 illustrates the
difference in throughput between the PXI-5660 and a traditional analyzer.
Two comparisons are shown. One graph is a spectral sweep that illustrates
the advantages of the wide instantaneous bandwidth of the downconverter.
The other graph is an in-band power measurement comparison that shows
the throughput advantages of the PXI-5660 as a whole.
Throughput Benchmarks Spectrum Sweep: 5 to 7X Improvement
Hardware
The PXI-5660 hardware consists of a 2.7 GHz downconverter and a
high-spectral-purity digitizer.
RBW = 10 kHz
RBW = 30 kHz
Analog Input
With the PXI-5660, you can acquire a wide range of signal levels, from
+30 dBm to less than -130 dBm and achieve up to 50 dB of input
attenuation, selectable in 10 dB steps.
0
5
10
15
20
25
30
Measurements per Minute
Traditional Instrumentation
NI RF Signal Analyzer
Performance Benchmarks In-Band Power: 30 to 200X Improvement
800 kHz
320 kHz
160 kHz
0
1
M
2
3
S
4
d
5
Traditional Instrumentation
NI RF Signal Analyzer
Frequency Characteristics
The PXI-5660 offers outstanding frequency capabilities over its
operating range of 9 kHz to 2.7 GHz. It provides a typical noise density of
<-140 dBm/Hz and more than 80 dB of intermodulation spurious-free
dynamic range. Typical phase noise is <-94 dBc/Hz at a 10 kHz offset.
Frequency Span
Figure 1. PXI-5660 Performance Benchmarks
2.7 GHz RF Signal Analyzer
Ultrahigh-Stability Timebase
The PXI-5660 offers an extremely stable timebase with frequency
stability of ±20 ppb and frequency accuracy of ±50 ppb, making it useful
for a range of automation applications.
centered at 900 MHz, the rate at which you store samples can be as
low as 250 kS/s.
Calibration
National Instruments calibrates the amplitude accuracy of the analog
input of the downconverter and digitizer modules. Temperature
variations are calibrated and corrected during normal operation, resulting
in very high stability and repeatability. The modules are shipped with
NIST-traceable and ISO-9002-certified calibration certificates.
Visit
ni.com/calibration
for more information about calibration services.
Spectral Measurements Toolkit
Zoom FFT
Zoom power spectrum
Averaged power spectrum
Averaged cross spectrum
Averaged frequency response
Amplitude calibration
Power spectral density
Peak frequency
Peak amplitude/power
Spectrum peak search
In-band power
Adjacent channel power
Occupied bandwidth
Demodulate AM
Demodulate FM
Demodulate PM
Downconvert passband
Table 2. Spectral Measurements
Toolkit Functions
Accuracy
The noise and distortion characteristics of the PXI-5660 are stable and
repeatable over time and a wide range of temperature. For example,
with a 1 MHz measurement bandwidth, a -10 dBm signal has a
repeatability of less than 0.1 dB, with a resolution bandwidth (RBW) of
1 kHz and number of averages equal to 10. The PXI-5660 uses a software
compensation method that reduces amplitude error to less than 0.2 dB
over a 20 °C change.
Software
The National Instruments Spectral
Measurements Toolkit (SMT) and NI-RFSA
driver software are included with the
PXI-5660. SMT plugs directly into NI LabVIEW
and LabWindows/CVI software to offer
high-level measurement functionality. For a
complete list of measurement functions, refer
to Table 2. The driver software provides a
driver-level interface and integrates with
LabVIEW and LabWindows/CVI.
Applications
General-Purpose Test
Spectral analysis
Semiconductor ATE
Ultrasound/radar/lidar
RF component characterization
Military/aerospace
Siglnt
Commercial Electronics Test
Cable modem
Mobile phones and pager
Wireless LAN and Bluetooth
Commercial radio
Digital television
Acquisition Memory
The PXI-5660 includes up to 64 MB of
onboard memory, delivering acquisition of up
to 32 million real 16-bit samples or 16 million
complex 16-bit samples. The PXI-5660 uses
the bus master capability of the NI MITE ASIC
to move data to computer memory at much
higher speeds – up to 10 times faster – than
traditional instrument interfaces. Because
this ASIC performs memory management
Table 1. Applications for the PXI-5660
functions usually handled by the host CPU,
you can devote all the computer power of the host CPU to data analysis.
Clock Generation and Triggering
The 10 MHz reference clock on the PXI-5660 can synchronize to any one
of three sources – the onboard high-precision OCXO reference clock, an
external reference clock, or the PXI backplane. Using the PXI backplane,
you can synchronize two or more PXI-5660 signal analyzers with each
other and other PXI modules without using cables. You can synchronize
the PXI-5660 to an external source using front-panel connectors. It can
import and export TTL triggers from the PXI trigger bus, the PXI star
trigger line, or the front-panel SMB connector. The PXI trigger bus greatly
simplifies synchronizing RF measurements with other PXI modules such
as digital multimeters, audio analyzers, and machine vision modules.
Ordering Information
NI PXI-5660
32 MB ................................................................................778284-01
64 MB ................................................................................778284-02
Includes modules, cables, NI-TUNER, NI-SCOPE, and the NI Spectral
Measurements Toolkit.
Digital Downconversion and Decimation
With the digital downconversion (DDC) functionality of the PXI-5660,
you can acquire narrowband signals at much less than the full
digitization rate. By downconverting channels of up to 1.25 MHz
bandwidth to baseband, the PXI-5660 dramatically reduces the
sampling rate necessary to acquire these signals. This feature results in
dramatic throughput improvements for narrowband applications. For
example, if you want to acquire a signal with a 200 kHz bandwidth
BUY NOW!
For complete product specifications, pricing, and accessory
information, call 800 813 3693 (U.S.) or go to
ni.com/rf.
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2
2.7 GHz RF Signal Analyzer
Mixer 1 dB Gain Compression Point
Frequency
1 dB Compression Point
0 dBm, minimum
10 MHZ to 1 GHz
1 to 2 GHz
2 dBm, minimum
2 to 2.7 GHz
4 dBm, minimum
3
DC
Specifications
Valid over specified operating environment (0 to 50 °C) unless otherwise stated.
General
Channels.............................................. 1 RF
1 IF
levels up to ±25 VDC at input will not damage the instrument; however, high
transient currents from low impedance DC step voltages at input can cause damage.
Frequency
Frequency range..................................
Instantaneous bandwidth ...................
Resolution bandwidth (RBW)..............
Internal reference frequency ..............
Temperature stability ..........................
Initial achievable accuracy .................
Aging ...................................................
Locking range......................................
Lock time to ext frequency reference ...
Warm-up time (typical) .......................
Selectivity (60 dB : 3 dB).....................
9 kHz to 2.7 GHz
20 MHz
Fully adjustable (<1 Hz to 10 MHz)
10 MHz
±20 ppb, max
1
±50 ppb, max
±100 ppb/year
>± 0.5 ppm
<10 s
20 minutes
<2.5 (Flat Top) <4.1
(7 Term Blackman-Harris)
Spurious Response
2nd-order harmonic distortion (single -30 dBm tone)
9 kHz to 2.7 GHz ........................................ <-80 dBc (IIP2 > +50 dBm)
3rd-order intermodulation distortion
(two -30 dBm tones, >200 kHz separation)
10 MHz to 1 GHz............................. <-80 dBc (IIP3 > +10 dBm)
1 to 2.0 GHz .................................... <-84 dBc (IIP3 > +12 dBm)
2.0 to 2.7 GHz ................................. <-86 dBc (IIP3 > +12 dBm)
Input-related spurs
Signal level = -30 dBm, 0 dB attenuation
≥5
MHz ........................................... <-70 dBc
<5 MHz............................................ <-60 dBc
Residual response related spurs
Input terminated, 0 dB input attenuation
≥12
MHz ......................................... <-100 dBm
<12 MHz.......................................... <-70 dBm
Noise density
20 MHz to 1 GHz............................. <-135 dBm/Hz
(-140 dBm/Hz, typical)
1 to 2 GHz ....................................... <-134 dBm/Hz
(-137 dBm/Hz, typical)
2 to 2.5 GHz .................................... <-130 dBm/Hz
(-135 dBm/Hz, typical)
2.5 to 2.7 GHz ................................. <-129 dBm/Hz
(-132 dBm/Hz, typical)
Tuning resolution
Frequency-domain digitizer
(PXI-5620)......................................... 0.015 Hz
RF downconverter (PXI-5600) ......... 1 MHz, minimum
Tuning speed downconverter
(1% of step size)............................. 10 ms, max
(0.01% of step size)........................ 20 ms, max
(0.0001% of step size).................... 30 ms, max
Spectral purity (noise sidebands) at 100 MHz, minimum
1 kHz offset..................................... <-80 dBc/Hz
2
10 kHz offset................................... <-90 dBc/Hz
30 kHz offset................................... <-95 dBc/Hz
100 kHz offset................................. <-110 dBc/Hz
1 MHz offset ................................... <-120 dBc/Hz
Sideband spurs
≥10
kHz offset ................................ <-70 dBc
<10 kHz offset................................. <-55 dBc
Residual FM ........................................ <10 Hz
p-p
in 10 ms
1
0
2
For
Inputs/Outputs Downconverter Front Panel
RF input ...............................................
VSWR (input atten = 10 dB)
9 kHz to 2.2 GHz .............................
2.2 to 2.7 GHz .................................
LO emission from RF input..................
IF output ..............................................
Frequency ............................................
Amplitude............................................
External frequency reference input ....
Input power.....................................
Maximum safe input level..............
Maximum DC input voltage............
Input frequency range ....................
10 MHz output (2 ports)......................
Signal..............................................
Amplitude .......................................
Accuracy .........................................
PXI 10 MHz input/output ....................
Input power.....................................
Output power..................................
50
Ω,
AC-coupled SMA female
<1.3:1
<1.5:1
<-87 dBm, max
50
Ω,
SMA female
5 to 25 MHz
0 dBm full-scale
50
Ω,
SMA female
-5 to +15 dBm
+16 dBm
±5 V
10 MHz ± 0.5 ppm
50
Ω,
SMA female
Square wave
±0.5 V (+7 dBm) into 50
Ω
(±1 V into open circuit)
See frequency reference
50
Ω,
SMA female
-5 to +15 dBm
0.5 V (+7 dBm) into 50
Ω
to 50 °C, referenced to 25 °C
spans 20 kHz; for spans >20 kHz, the value is <-78 dBc/Hz at 1 Hz offset
Amplitude
Input signal range ............................... <-130 to 30 dBm
Maximum safe input
power (continuous) ............................. +30 dBm (Atten 10 dB) +20 dBm
(Atten 0 dB)
RF input attenuator ............................. 0 to 50 dB (10 dB steps)
Maximum DC input voltage ................ 0 VDC
3
Relative accuracy (with respect to 100 MHz, 15 to 35 ºC)
≤2
GHz, calibrated.......................... ±0.75 dB, ±0.5 dB, typical
>2 GHz, calibrated .......................... ±1.25 dB, ±0.9 dB, typical
Absolute accuracy (15 to 35 ºC)
≤2
GHz, calibrated.......................... ±1 dB, ±0.6 dB, typical
>2 GHz, calibrated .......................... ±1.5 dB, ±1 dB, typical
Group delay variation.......................... ±15 ns, max
2
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3
2.7 GHz RF Signal Analyzer
Digitizer Front Panel
IF input (normally connected to PXI-5600 IF output), AC coupled
Impedance/connector..................... 50
Ω,
SMA female
Input power..................................... 0 dBm nominal, +10 dBm
full-scale
Maximum safe input level.............. +20 dBm
Maximum DC input voltage............ ±2 V
VSWR.............................................. <1.5:1, 5 to 25 MHz
External frequency reference input (normally connected to
PXI-5600 10 MHz output)
Impedance/connector..................... 50
Ω,
SMA female
Input power..................................... -5 to +15 dBm
Maximum safe input level.............. +16 dBm
Maximum DC input voltage............ ±10 V
Input frequency range .................... 10 MHz ±0.5 ppm
External trigger (PFI 1)
Connector........................................ SMB male
Level................................................ TTL
Maximum input voltage ................. 5.5 V
Environment
Warm-up time .....................................
Operating temperature .......................
Relative humidity............................
Storage temperature...........................
Relative humidity............................
20 minutes
0 to 50 °C
10 to 90%, noncondensing
-20 to +70 °C
5 to 95%, noncondensing
Safety and Compliance
Safety
This product is designed to meet the requirements of the following
standards of safety for electrical equipment for measurement, control,
and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 61010-1, CSA 61010-1
Note:
For UL and other safety certifications, refer to the product label or
visit
ni.com/certification,
search by model number or product line, and
click the appropriate link in the Certification column.
IF/Baseband
Resolution ........................................... 14 bits
IF input level........................................ 0 dBm nominal, +10 dBm
full-scale
IF frequency range .............................. 5 to 25 MHz
Sample rate......................................... 64 MS/s and integer divisions
down to 1 kS/s
Onboard memory................................. 16/32 MS option
Using DDC (complex data) .................. 8/16 MS option
Electromagnetic Compatibility
This product is designed to meet the requirements of the following
standards of EMC for electrical equipment for measurement, control,
and laboratory use:
• EN 61326 EMC requirements; Minimum Immunity
• EN 55011 Emissions; Group 1, Class A
• CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A
Note:
For EMC compliance, operate this device according to
product documentation.
Power Requirements (Typical)
+3.3 VDC (±5%) +5 VDC (±5%) +12 VDC (±5%) -12 VDC (±5%)
Downconverter (PXI-5600)
920 mA
2.3 A
700 mA
115 mA
Digitizer (PXI-5620)
600 mA
1.5 A
450 mA
35 mA
CE Compliance
This product meets the essential requirements of applicable European
Directives, as amended for CE marking, as follows:
• 2006/95/EC; Low-Voltage Directive (safety)
• 2004/108/EC; Electromagnetic Compatibility Directive (EMC)
Note:
Refer to the Declaration of Conformity (DoC) for this product for
any additional regulatory compliance information. To obtain the DoC for
this product, visit
ni.com/certification,
search by model number or
product line, and click the appropriate link in the Certification column.
Calibration
Interval ................................................ 1 year
Physical
PXI-5600 ............................................. 3U, 3-slot, PXI/Compact PCI
module 21.6 by 6.0 by 13.0 cm
(8.5 by 2.4 by 5.1 in.)
PXI-5620 ............................................. 3U, 1-slot, PXI/Compact PCI
module 21.6 by 2.0 by 13.0 cm
(8.5 by 0.8 by 5.1 in.)
Environmental Management
NI is committed to designing and manufacturing products in an
environmentally responsible manner. NI recognizes that eliminating
certain hazardous substances from our products is beneficial not only
to the environment but also to NI customers.
For additional environmental information, refer to the NI and the
Environment Web page at
ni.com/environment.
This page contains
the environmental regulations and directives with which NI complies, as
well as other environmental information not included in this document.
BUY ONLINE
at
ni.com
or
CALL 800 813 3693 (U.S.)
4
NI Services and Support
IN
TA
PL
SERVICE
NEEDS
LO
Y
V
DE
NI has the services and support to meet
your needs around the globe and through
the application life cycle – from planning
and development through deployment
and ongoing maintenance. We offer
services and service levels to meet
customer requirements in research,
design, validation, and manufacturing.
Visit
ni.com/services.
Local Sales and Technical Support
In offices worldwide, our staff is local to the country, giving you access
to engineers who speak your language. NI delivers industry-leading
technical support through online knowledge bases, our applications
engineers, and access to 14,000 measurement and automation
professionals within NI Developer Exchange forums. Find immediate
answers to your questions at
ni.com/support.
We also offer service programs that provide automatic upgrades to
your application development environment and higher levels of technical
support. Visit
ni.com/ssp.
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IN
Training and Certification
NI training is the fastest, most certain route to productivity with our
products. NI training can shorten your learning curve, save development
time, and reduce maintenance costs over the application life cycle. We
schedule instructor-led courses in cities worldwide, or we can hold a
course at your facility. We also offer a professional certification program
that identifies individuals who have high levels of skill and knowledge on
using NI products. Visit
ni.com/training.
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Professional Services
Our NI Professional Services team is composed of NI applications
and systems engineers and a worldwide National Instruments Alliance
Partner program of more than 600 independent consultants and
integrators. Services range
from start-up assistance to
turnkey system integration.
Visit
ni.com/alliance.
OEM Support
We offer design-in consulting and product integration assistance if you
want to use our products for OEM applications. For information about
special pricing and services for OEM customers, visit
ni.com/oem.
P
DE
Hardware Services
NI Factory Installation Services
NI Factory Installation Services (FIS) is the fastest and easiest way to
use your PXI or PXI/SCXI combination systems right out of the box.
Trained NI technicians install the software and hardware and configure
the system to your specifications. NI extends the standard warranty by
one year on hardware components (controllers, chassis, modules)
purchased with FIS. To use FIS, simply configure your system online
with
ni.com/pxiadvisor.
Calibration Services
NI recognizes the need to maintain properly calibrated devices for
high-accuracy measurements. We provide manual calibration
procedures, services to recalibrate your products, and automated
calibration software specifically designed for use by metrology
laboratories. Visit
ni.com/calibration.
Repair and Extended Warranty
NI provides complete repair services for our products. Express repair
and advance replacement services are also available. We offer
extended warranties to help you meet project life-cycle requirements.
Visit
ni.com/services.
ni.com
• 800 813 3693
National Instruments • info@ni.com
*351552A-01*
351552A-01
2007-9406-101-D
© 2008 National Instruments Corporation. All rights reserved. CVI, LabVIEW, MITE, National Instruments, National Instruments Alliance Partner, NI, ni.com, and SCXI are trademarks of
National Instruments. The mark LabWindows is used under a license from Microsoft Corporation. Other product and company names listed are trademarks or trade names of their
respective companies. A National Instruments Alliance Partner is a business entity independent from NI and has no agency, partnership, or joint-venture relationship with NI.
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