Noise Figure Analyzers
10 MHz to 1.5 GHz, 3 GHz, 6.7 GHz and 26.5 GHz Noise Figure Analyzers
•A flexible and intuitive user interface
• Easy measurement setup
• Low instrument uncertainty
• Color graphical display of noise figure and gain versus frequency
• Enhanced PC and printer connectivity
•SNS, 346 and 347 Series noise source compatible
• Ability to automatically upload ENR calibration data from SNS
Series noise source
• Local oscillator control through second dedicated GP-IB
•3-year warranty as standard
Increase Measurement Throughput
In manufacturing environments, fast measurement speed and
repeatability are critical. The NFA series of Noise Figure Analyzers
now include many features that can reduce your measurement time
and increase throughput. The frequency list function allows you to
select specific points within a complete measurement span to make
your measurement. The Sweep averaging function allows a real-time
update to the screen during a measurement, as you adjust the performance of the DUT during a sweep. Both these functions, as well
as the limit line functionality for quick and easy pass/fail testing and
the additional ability to recall complete calibrated instrument
states, increase productivity and measurement throughput.
Enhanced Connectivity
The built-in floppy disk drive, GPIB, RS232 serial and Printer port
connectors allow quick and easy data transfer between the analyzer
and a PC or workstation. There is also a built-in VGA connector for
connecting a large-screen monitor.
Color Graphical Display
To enhance usability, the new Noise Figure Analyzers now come
with an integrated 17 cm full color LCD display, for simultaneous
viewing of noise figure and gain against frequency. There are three
different formats for viewing measurements, the two separate channel or combined graph format, a table format, and a spot frequency
noise figure and gain measurement “meter” format.
Ease of Automation
The NFA series of Noise Figure Analyzers include 2 industry-standard GPIB ports and an RS232 serial port, to aid in the automated
control of the instrument. The second GPIB port is dedicated to
Local oscillator control. The default control language is SCPI, but
users can also define custom LO commands.
N8972A
N8973A
N8974A
N8975A
N8973A
NFA Series
A Flexible and Intuitive User Interface
The user interface on the new NFA series of Noise Figure Analyzers
is intuitive and easy to use, with easy to find keys, which are sized
and then placed in the relevant key group according to function. The
soft-key depths have been kept to a minimum and there are clear
visual indicators on the screen showing the current machine state.
Easy Measurement Setup
The NFA series of Noise Figure Analyzers now takes the pain out of
complex measurement setups, with their simple but instructive
menus. The built-in help button gives key function and remote programming commands, that should eliminate the need to carry manuals when setting up measurements.
Low Instrumentation Uncertainty
When making noise figure measurements, a key parameter to be
aware of is measurement uncertainty. The NFA has a low instrumentation uncertainty to aid in accurate and repeatable measurement of manufacturers’ components. In addition, to aid customers
in setting their components/systems specifications, Agilent has produced a web-based uncertainty calculator that will give customers
information on how to improve and classify their measurement
specifications more accurately.
For more information, visit our web site at: www.agilent.com/find/nf
Ease of Integration
To aid with the integration of the new analyzer into manufacturing
environments, Agilent has produced a Programmers Reference
Manual containing example programs to help migrate to the new
system. The NFA is not code compatible with the 8970B, nor can it
control the 8971C.
Full Measurement Capability
Features present in all NFA series noise figure analyzers
• ENR data automatically loaded into NFA series noise figure
analyzer when using SNS noise source
• Floppy disk loading and saving of ENR data when used with a
346 or 347 noise source
• Enhanced analysis through Limit lines and Marker functions
• Enhanced PC and printer connectivity and VGA output
•Internal data storage capable of storing up to 30 different state,
trace, and setup files (dependent upon measurement complexity)
•4 MHz measurement bandwidth
•Frequency list mode, which enables the user to avoid known,
polluted frequencies during a measurement or, used tactically
to speed up a measurement
Features only Available on the N8973A, N8974A, N8975A
•Lower noise figure measurement uncertainty ±<0.05 dB
•Six user selectable bandwidths (100 KHz, 200 KHz, 400 KHz,
1 MHz, 2 MHz, and 4 MHz)
• Enhanced speed
Noise Figure Analyzers
10 MHz to 1.5 GHz, 3 GHz, 6.7 GHz and 26.5 GHz Noise Figure Analyzers (cont.)
N8972A
N8973A
N8974A
N8975A
NFA Series Key Specifications
Specifications apply over 0°C to +55°C unless otherwise noted. The
analyzer will meet its specifications after 2 hours of storage within
the operating temperature range, 60 minutes after the analyzer is
turned on, with Alignment running. A user calibration is required
before corrected measurements can be made.
Frequency Range
NFA Series:
N8972A 10 MHz to 1.5 GHz
N8973A 10 MHz to 3 GHz
N8974A 10 MHz to 6.7 GHz
N8975A 10 MHz to 26.5 GHz
Measurement Speed (nominal)
N8972A: <100 ms/measurement <80 ms/measurement
N8973A: <50 ms/measurement <42 ms/measurement
N8974A: <70 ms/measurement <50 ms/measurement
N8975A: <70 ms/measurement <50 ms/measurement
Measurement Bandwidth (nominal)
N8972A:4 MHz
N8973A, N8974A, N8975A:4 MHz, 2 MHz, 1 MHz, 400 kHz, 200 kHz, 100 kHz
Noise Figure and Gain
(Performance is dependent upon ENR of noise source used)
N8972A Noise Source ENR
Noise Figure
Measurement range 0 to 20 dB 0 to 30 dB 0 to 35 dB
Instrument uncertainty ±<0.1 dB ±<0.1 dB ±<0.15 dB
Gain
Measurement range –20 to +40 dB
Instrument uncertainty ±<0.17 dB
8 Averages 64 Averages
4 – 7 dB 12 – 17 dB 20 – 22 dB
Characteristic1Noise figure at 23ºC ±3ºC (10 MHz to 3.0 GHz)
10
8
6
4
2
Noise Figure (dB)
0
10
Characteristic
Noise Figure (dB)
891011 12
3000
3883
500 1000
1500
Frequency (MHz)
1
Noise figure at 23ºC ±3ºC (3.0 GHz to 26.5 GHz)
4707
5651
7418
8303
8187
9187
10072
10956
11810
12724
13608
14492
15376
Frequency (MHz)
2000
16260
17145
18029
18913
2500
18797
10681
21565
22419
3000
23334
24210
25102
25986
26500
N8973A, N8974A and Noise Source ENR
N8975A
(10 MHz to 3.0 GHz) 4 – 7 dB 12 – 17 dB 20 – 22 dB
Noise Figure
Measurement range 0 to 20 dB 0 to 30 dB 0 to 35 dB
Instrument uncertainty ±<0.05 dB ±<0.05 dB ±<0.1 dB
Gain
Measurement range –20 to +40 dB
Instrument uncertainty ±<0.17 dB
N8974A and N8975A Noise Source ENR
(>3.0 GHz) 4 – 7 dB 12 – 17 dB 20 – 22 dB
Noise Figure
Measurement range 0 to 20 dB 0 to 30 dB 0 to 35 dB
Instrument uncertainty ±<0.15 dB ±<0.15 dB ±<0.2 dB
Gain
Measurement range –20 to +40 dB
Instrument uncertainty ±<0.17 dB
Characteristic values are met or bettered by 90% of instruments with 90%
confidence.
Frequency Reference
Standard Opt.1D5
Aging ±<2 ppm
1
/year ±<0.1 ppm/year
Temperature stability ±<6 ppm ±<0.01 ppm
Settability ±<0.5 ppm ±<0.01 ppm
Tuning Accuracy (Start, Stop, Center, Marker)
4 MHz Measurement Bandwidth (default on all models of Noise Figure
Analyzer)
Frequency Error
10 MHz – 3.0 GHz ±<Reference error + 100 kHz
3.0 GHz – 26.5 GHz ±<Reference error + 400 kHz
<4MHz Measurement Bandwidth (functionality not present in N8972A)
Frequency Error
10 MHz – 3.0 GHz ±<Reference error + 20 kHz
3.0 GHz – 26.5 GHz ±<Reference error + 20% of measurement
1
Parts Per Million (10e-6)
bandwidth
Noise Figure Analyzers
10 MHz to 1.5 GHz, 3 GHz, 6.7 GHz and 26.5 GHz Noise Figure Analyzers (cont.)
General Specifications
Dimensions
Without handle: 222 mm H x 375 mm W x 410 mm D
With handle (max): 222 mm H x 409 mm W x 515 mm D
Weight (typical, without options)
N8972A:15.3
N8973A:15.5
N8974A:17.5
N8975A:17.5
Data
Internal
Floppy
Power
On
(line 1): 90 to 132 V rms, 47 to 440 Hz, 195 to 250 V rms, 47 to 66 Hz
Power
Standby
kg
kg
kg
kg
Storage (nominal)
drive: 30 traces, states or ENR tables
disk: 30 traces, states or ENR tables
Requirements
consumption: <300 W
(line 0): <5 W
Temperature Range
Operating:
Storage:
Humidity
Operating:
Altitude
Calibration
0ºC to +55ºC
–40ºC to +70ºC
Range
Up to 95% relative humidity to 40ºC (non-condensing)
range: Operating to 4,600 meters
Interval
1-year minimum recommended
Electromagnetic
Complies
includes
Interference
The
conducted and radiated emissions performance typically meets
CISPR
11:1990/EN 55011:1991 Group 1 Class B limits.
Compatibility
with the requirements of the EMC directive 89/336/EEC. This
Generic Immunity Standard EN 50082-1:1992 and Radiated
Standard CISPR 11:1990/EN 55011:1991, Group 1 Class A.
Warranty
3-Year warranty as standard
Key Literature
Noise Figure Analyzers, NFA Series, Brochure, p/n 5980-0166E
Noise
Figure Analyzers, NFA Series, Data Sheet, p/n 5980-0164E
Noise
Figure Analyzers, NFA Series, Configuration Guide, p/n 5980-0163E
Fundamentals
App
note 57-1, p/n 5952-8255E
Noise
10
Hints for Making Successful Noise Figure Measurements,
p/n
5980-0228E
N8972A
Examples,
of RF and Microwave Noise Figure Measurements,
Figure Measurement Accuracy, App note 57-2, p/n 5952-3706
and N8973A, NFA Series, Noise Figure Analyzer Programming
p/n 5968-9498E
Ordering Information
N8972A10 MHz to 1.5 GHz NFA Series Noise Figure Analyzer
N8973A10
N8974A10
N8975A10
All
use
Frequency
N897x
Calibration
N897xA-A6J
Accessories
N897x
N897x
N897x
adjustment
Documentation
A hard copy and CD version of the English language Quick Reference
Guide,
Performance
Selections
delete
N897xA-AB0
N897xA-AB1
N897xA-AB2
N897xA-ABE
N897xA-ABF
N897xA-ABZ
N897xA-ABD
N897xA-ABJ
N897x
Note: The localized options will include a localized version of the Quick Reference Guide
and
Calibrat ion
Additional Documentation
N897x
N897x
N897x
Service
Warranty and Service
Standard
For
Return-to
Calibration
For 3 years, order 36 months of the appropriate calibration plan shown
belo
R-50C-001Standard calibration plan*
R-50C-002Standard compliant calibration plan*
2
Options not available in all coun tries
MHz to 3.0 GHz NFA Series Noise Figure Analyzer
MHz to 6.7 GHz NFA Series Noise Figure Analyzer
MHz to 26.5 GHz NFA Series Noise Figure Analyzer
options, other than those marked with *, can be ordered at any time for
with an instrument.
Reference
A-1D5NFA series high stability frequency reference*
Documentation
NFA series ANSI Z540 compliant calibration with test data*
A-1CPNFA series rackmount and handle kit
A-UK9NFA series front panel cover
A-1FPNFA series calibration, performance verification and
software
User’s Guide, Programmers Reference, and Calibration and
Verification Manual are included with the NFA as standard.
can be made to change the localization of the manual set or to
the hardcopy.
NFA series manual set for Taiwan – Chinese localization
NFA series manual set – Korean localization
NFA series manual set – Chinese localization
NFA series manual set – Spanish localization
NFA series manual set – French localization
NFA series manual set – Italian localization
NFA series manual set – German localization
NFA series manual set – Japanese localization
A-0B0Delete hardcopy manual set*
User Guide, and an Engli sh language version of the Progr ammers Reference, and
and Performanc e Verification Manual.
A-0B1NFA series manual set (English version)
A-0B2NFA series user manual (English version)
A-0BFNFA series programmers reference (English version)
Options:
warranty is 3 years.
warranty and service of 5 years, please order R-51B-001-5F: “3 year
Agilent warranty extended to 5 years” (quantity = 1).
2
w. For 5 years, specify 60 months.
N8972A
N8973A
N8974A
N8975A
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