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DSOs (Digital Sampling Oscilloscopes) generally allow the use of averaging to increase vertical resolution and lower uncorrelated noise. While averaging is a useful tool, it is important to remember that it is a type of filtering. Applying averaging successfully is easier if the user understands the characteristics of the filters being applied.
Two System Test Program Sets (TPS), Digital-Analog (DA) and Radio Frequency (RF) Calibration for the Versatile Depot Automatic Test Station (VDATS) were developed to semi-automate the process of Automated Test Equipment (ATE) calibration. Calibration for ATE in the U.S. Air Force (USAF) is defined as the verification of instrumentation accuracy by comparing the instrument to a known standard. The...
Spectrum measurements are essential to RF and microwave testing, and newer analyzers deliver better performance and speed. New “signal analyzers” also add vector capabilities such as precision demodulation and time domain analysis plus wideband waveform capture and playback. With built-in measurement applications the analyzers can streamline systems by making phase noise and noise figure measurements,...
Analysis of digitized waveforms requires an understanding of the limitations of the acquisition hardware, an understanding of how digital sampling interacts with the waveform shape, and an understanding of how the desired measurements are influenced by the sampling operation. By paying attention to these considerations and following some general guidelines an acquisition system can be tuned to get...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.