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The UHF Boxcar is a bundle containing the UHFLI 600 MHz lock-in amplifier and the UHF-BOX Boxcar upgrade option. The UHF-BOX Boxcar Averager is the first fully digital boxcar averager in history opening 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 and therefore allows to capture every sample without any dead times while rejecting all non-periodic signal components. The LabOne® toolset comprises a Periodic Waveform Analyzer (PWA) that visualizes the averaged signal over a single or multiple periods and allows to conveniently set the averaging windows for the signal and the baseline suppression.