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Zurich Instruments UHF-BOX Boxcar Averager

Key Features

  • 600 MHz repetition rate
  • 2 boxcar units
  • 2 periodic waveform analyzers
  • Baseline suppression
  • Zero acquisition dead time
  • Harmonic analyzer with 512 lines
  • Graphical setting of boxcar and baseline windows


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As the first fully digital boxcar averager, the UHF-BOX Boxcar Averager unlocks new perspectives and innovative ways of analyzing non-sinusoidal signals with low duty cycles. It operates as a high-speed digitizer synchronized to an oscillator, so that it enables the capture of every sample without dead times while rejecting all non-periodic signal components. The LabOne® toolset comprises a Periodic Waveform Analyzer (PWA) that visualizes the averaged signal over one or multiple periods and makes it straightforward to set the averaging windows for the signal and the baseline suppression. The UHF-BOX Boxcar Averager is an option for the UHFLI Lock-in Amplifier and contains 2 independent boxcar units with one PWA each.

Read more about Zurich Instruments' approach to boxcar averaging on the UHF-BOX Product Highlights page. For a discussion of the differences between digital boxcars and "old-school boxcar" models based on analog signal processing, look at the Basics of Boxcar Averaging page.

UHF-BOX upgrade and compatibility

  • Field-upgradeable option
  • Compatible with all other UHF options
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