Agilent N9320A Spectrum Analyzer: Technical Overview
Agilent N9320A Spectrum Analyzer: Technical Overview
Spectrum Analyzer
                              Technical Overview
                              ·   9 kHz to 3 GHz range
                              ·   10 Hz to 1 MHz RBW
                              ·   –148 dBm DANL with pre-amp
                              ·   9.2 ms non-zero span sweep time
                              ·   +13 dBm third-order intercept
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Simplify common power                      Power measurements made easy             Adjacent channel power (ACP)
measurement tasks                          using the measurement suite
                                                                                    Fast, accurate simultaneous filtered
Single-key auto-tuning allows you          One of the most fundamental              RMS power measurement in up to six
quickly to home in on the highest-         measurements performed by                offset power bands. Ideal for mobile
level signal across the bandwidth.         spectrum analyzers is the frequency-     telephony applications.
Centering this signal on the screen,       domain measurement of RF power.
the analyzer simultaneously reduces        However, detailed analysis of a signal
the frequency span. Auto-scaling and       often requires standards-defined
ranging enhance accurate, speedy           spectral mask tests or more complex
measurement.                               power/bandwidth measurement
                                           combinations.
When you find yourself having
repeatedly to make the same type of        Channel power
complex measurement or                     Accuracy and speed of the integrated
measurement sequence, it is useful         channel power and computed power
to know some shortcuts. That's what        spectral density from the RMS            Of course, you retain the flexibility to
we have provided for you in your           averaging detector.                      tailor each measurement task to your
N9320A spectrum analyzer.                                                           specific needs when necessary. And
                                                                                    you'll find it easy to distinguish
You will find that the in-built suite of                                            between signals having large level
power measurements shortens                                                         differences since the analyzer has
routine test set up time by simplifying                                             one of the widest dynamic ranges for
keypad/menu selection.                                                              a tester in its price range.
The N9320A spectrum analyzer               Occupied bandwidth                       It is easy and convenient to operate
continues the Agilent tradition that       Specifying the power percentage          your spectrum analyzer from a PC
today's testers should be easy to set      places markers at the upper and          connected to the USB ports.
up, and simple to use.                     lower frequencies of the appropriate     USB ports on front and back panels
                                           bandwidth representing this power.       make interconnection to a PC
Those familiar with other Agilent                                                   particularly straightforward.
spectrum analyzers will find similar,
user interfaces here in this low-cost                                               Each analyzer comes with PC-based
tester, allowing for simpler set up and                                             virtual panel software utilities and
making measurements.                                                                drivers. These replicate all controls
                                                                                    and setup parameters of the large,
                                                                                    full-color display on the analyzer's
                                                                                    front panel. Analyzer control is then
                                                                                    through the PC's virtual panel display
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Education
                                                  Learning how to use test                  Now you have the opportunity to put
                                                  instrumentation, and understanding        Agilent's renowned quality and
                                                  how RF signal interact are                precision into every student's hands.
                                                  fundamentals for electronics studies.
                                                  Spectrum analysis is one test             Help your students and trainees gain
                                                  essential to good circuit design. It      the edge. There is now no need to
                                                  brings signal interactions to light for   compromise on the quality of their
                                                  students and helps explain signal         test equipment.
                                                  mixing processes.
                                                                                            Educators hold Agilent testers in the
Using Agilent test equipment in your              The keen price/performance                highest esteem. Therefore, you can
educational establishment guarantees you are
upholding the highest standards for the future,
                                                  combination in this spectrum              be confident and proud of your
for tomorrow's engineers.                         analyzer, part of the low-cost series     standards in the classroom: and your
                                                  from Agilent Technologies, means          students will have confidence in their
                                                  that you do not need to limit students    experimental results. Your students
                                                  to one or two pieces of equipment to      will be able to focus on RF circuit
                                                  a class.                                  experimentation and signal analysis
                                                                                            exercises, because spectrum
                                                                                            analyzer operation is straightforward.
   Buying test equipment from Agilent's new low-cost series puts you in
   touch with top-line service and support should you need it. So, you can
   be confident that you are making the right choice for the right price.
Supplemental information
Frequency
Frequency
                           Range:      9 kHz to 3 GHz                                      AC coupled
                                       100 kHz to 3 GHz                                    Preamp on
                Set-up resolution:     1 Hz
Frequency span
                          Range:       0 Hz (zero span), 100 Hz to 3 GHz.
                       Resolution:     1 Hz
                        Accuracy:      ±(1 % of span) + 2(span/460)
Phase noise
           Offset from CW signal:                                                          fc = 1 GHz;
                         10 kHz:       <   88 dBc/Hz
                                       <   90 dBc/Hz                                       Typical
                          100 kHz:     <   100 dBc/Hz
                                       <   102 dBc/Hz                                      Typical
                           1 MHz:      <   110 dBc/Hz
                                       <   112 dBc/Hz                                      Typical
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Video bandwidth (VBW)                       1 Hz to 3 MHz in 1-3-10 sequence.                –3 dB bandwidth; single-pole low-pass RC filter
Amplitude
Measurement range                           10 MHz - 3 GHz: Displayed average noise level (DANL) to +30 dBm
                                            1 MHz - 10 MHz: DANL up to 23 dBm
                                            9 kHz - 1 MHz: DANL up to 20 dBm
1 dB gain compression
   Total power at input mixer:              > 0 dBm                                          Typical ; fc 50 MHz; preamp off
   Total power at the preamp:               > –20 dBm                                        Typical ; fc 50 MHz; preamp on
Mixer power level (dBm) = input power (dBm) - input attenuation (dB).
Total power at the preamp (dBm) = total power at the input (dBm) - input attenuation (dB).
Frequency response
            100 kHz to 3.0 GHz:             ± 0.8 dB                                         10 dB attenuation, reference: 50 MHz,
                   Preamp off                                                                20 to 30 °C.
             1 MHz to 3.0 GHz:              ± 1.5 dB                                         0 dB attenuation, reference: 50 MHz,
                    Preamp on                                                                20 to 30 °C.
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Input attenuation switching uncertainty at 50 MHz
              Attenuator setting:         0 to 70 dB in 1 dB steps
          0 to 60 dB attenuation:         ±(0.3 dB + 0.01 x attenuator setting)       Reference 10 dB
Reference level
                   Setting range:         –60 dBm to +30 dBm, in steps of             Preamp off
                                          1 dB, 2 dB, 5 dB or 10 dB
                                          –100 dBm to –10 dBm, in steps of            Preamp on
                                          1 dB, 2 dB, 5 dB or 10 dB
              Setting resolution:         0.1 dB                                      Log scale
                                          1 % of reference level                      Linear scale
Spurious response
    Second harmonic distortion:           +35 dBm                                     10 MHz fc 500 MHz
     (second harmonic intercept)          +43 dBm                                     500 MHz < fc 3 GHz
                                                                                      Preamplifier off; mixer level: –30 dBm
    Third-order intermodulation:          +10 dBm                                     +13 dBm nominal; 100 MHz to 3 GHz
           (third order intercept)
          Input related spurious:         < –60 dBc                                   –30 dBm signal at input mixer
             Residual response:           < –83 dBm                                   Input terminated and 0 dB RF attenuation,
                       (inherent)                                                     preamplifier off
Sweep
Sweep time
                          Range:          9.2 ms to 4000 s                            Span > 0 Hz
                                          20 ȝs to 4000 s                             Span = 0 Hz (zero span)
                   Sweep mode:            Continuous; single
                  Trigger source:         Free run; video; external
                   Trigger slope:         Positive or negative edge; selectable
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Tracking generator source output (optional)
                 Warm-up:        45 minutes
   Output frequency range:       9 kHz to 3.0 GHz
       Output power level
                   Range:        –30 dBm to 0 dBm in 0.1 dB steps
       Absolute accuracy:        ± 0.75 dB                          20 to 30 °C, at 50 MHz with coupled source
                                                                    attenuator, referenced to –20 dBm
           Output flatness:                                         Referenced to 50 MHz, –20 dBm
         100 kHz to 10 MHz       ± 3 dB
           10 MHz to 3 GHz       ± 2 dB
   Connector and impedance:      N-type female; 50 ohm
                     VSWR:       < 1.5 : 1                          100 kHz to 3.0 GHz, input attenuator  12 dB
RF Input
   Connector and impedance:       N-type female; 50 ohm
                     VSWR:        <1.5 : 1                          100 kHz to 3.0 GHz, input attenuator  10 dB
Calibration output
                   Amplitude:     –10 dBm ± 0.3 dB
                  Frequency:      50 MHz
                   Accuracy:      Same as frequency reference
   Connector and impedance:       BNC-type female; 50 ohm
Probe power
             Voltage/current:     +15 V, 150 mA max
                                  –12.6 V, 150 mA max
USB host
     Connector and protocol:      A plug; Version 1.1
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     External trigger input
                 Input amplitude:    5 V TTL level
                   Connector and
                Input impedance:     BNC-type female; 10 k ohm
General
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Ordering information
Manuals and CD
N9320-845000           N9320A Help Kit
N9320-90000            Chinese User’s Guide
N9320-90001            English User’s Guide
Options
N9320A-PA3             3 GHz preamplifier
N9320A-TG3             3 GHz tracking generator
N9320A-1HB             Handle and bumpers
N9320A-1CM             Rack-mount kit
N9320A-1TC             Hard transit case
Calibration
R-50C-011-3            Agilent calibration upfront support plan, 3-year coverage
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