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Spectrum Visualizer (ASV) Software

Data Sheets

Technical Overview

The Keysight Technologies, Inc. spectrum visualizer (ASV) software provides advanced FFT frequency domain analysis for the InfiniiVision and Infiniium Series high performance oscilloscopes at a cost-effective price. The ASV software extends the InfiniiVision and Infiniium Series oscilloscopes to perform frequency-domain FFT analysis. It provides spectrum and spectrogram analysis with an intuitive user interface, parameter and control settings, and marker functionality that RF engineers are familiar with, offering advantages over traditional oscilloscope FFT solutions. This new capability helps engineers gain greater insight into their design performance and helps engineers debug issues faster when they occur.

Features and benefits:

  • ASV 64997A supports the InfiniiVision 2000, 3000, 4000 and 6000 X-Series oscilloscopes
  • ASV 64996A supports the high-performance Infiniium 9000, 90000, S-Series and 90000 X-Series oscilloscopes
  • Spectrum analysis with bandwidths ranging from 100 MHz to 33 GHz, depending on the InfiniiVision or Infiniium oscilloscope selection, Maximum FFT sample rates range from 2 GSa/s on the 3000 X-Series scilloscope, and up to 80 GSa/s on the 90000 X-Series oscilloscope.
  • ASV software can reside on the oscilloscope (applies to Infiniium Series oscillo­scopes only, ASV 64996A) or on an external PC
  • Single or dual channel measurements and displays (channels 1 and 3)
  • Free run or triggered measurements, Single or continuous sweep modes
  • Spectrogram measurements (spectrum vs. frequency vs. time) to analyze time-vary­ing signals with vertical, horizontal, or waterfall display modes
  • Multiple oscilloscopes can be configured to allow user to rapidly switch between multiple instruments

Select from a wide range of frequency domain measurement capabilities, utilizing the Frequency, Analog, and Spectrogram views.

Spectrum measurements:

  • Power (dBm) vs. frequency
  • Horizontal (x-axis): Specify center frequency and frequency span, or start and stop frequencies
  • Vertical (y-axis): Specify reference level (dBm) and scale (dB/div)
  • Settable resolution bandwidth
  • Flat top, Guassian, or Hanning windows applied to the time domain data for the FFT analysis
  • Marker to peak amplitude, and marker to center frequency
  • Marker peak search can be enabled for time-varying signals
  • Multiple marker, with delta X and delta Y readouts

Select different acquisition and display modes to isolate and diagnose issues quickly and efficiently.

Acquisition and display modes:

  • Free Run (continous), Triggered, Stop, Single, Preset
  • Triggered mode: specify trigger power level (dBm), single or continous sweep
  • Enable/disable y-axis label
  • Enable/disable main trace display
  • Max hold display mode

Get started easily and quickly with pre-configured waveforms on the InfiniiVision oscilloscopes with the WaveGen function/arbitrary waveform generator option.(DSOX2WAVEGEN or DSOX3WAVEGEN)

Arbitrary waveform generator source control (on InfiniiVision oscilloscopes only, ASV 64997A):

  • 20 MHz sine wave
  • 10 MHz square wave
  • Pulsed waveform
  • WaveGen source settings can be altered while ASV is running for interactive signal source and analysis capability

Gain Insight into Performance Issues Quickly Using the ASV Software with

InfiniiVision and Infiniium Series Oscilloscopes

Using oscilloscopes for time domain analysis may only provide part of the information needed to understand and debug issues when they occur. Measuring the frequency domain characteristics, in addition to the time domain characteristics, can quickly reveal important information about the hardware performance, functionality, and potential issues that may arise and can accelerate hardware debug by providing greater insight into performance issues.

An example is a phase-locked loop (PLL) circuit, where the output of the PLL is being tuned for a given output frequency or range of frequencies. While it may be fairly straightforward to determine a PLLs static fundamental output frequency by using a time-domain analysis approach on an oscilloscope and measuring the period (ΔT) to calculate the frequency (F=1/(ΔT), it can be relatively difficult to tell what the PLL’s output spectral purity is or the PLL’s frequency domain response is without measuring the PLLs frequency domain performance.

In addition, given the complexity of testing and debugging today’s commercial wireless and military radios, another example might be evaluating the frequency hopping characteristics of a frequency-hopped radio, or the frequency shift keying (FSK) of a GFSK (Gaussian FSK) radio such as Bluetooth®. A more advanced example might be measuring the spectral characteristics of an orthogonal frequency division multiplexing (OFDM) radio to determine the occupied frequency bandwidth for a given number of subcarriers allocated.

These types of issues can be very difficult to evaluate without using frequency domain analysis.

An actual example is shown below, with a frequency shift keying (FSK) signal being measured and analyzed with the ASV software on an InfiniiVision 3000 X-Series oscilloscope.

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