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The Application Notes section of the Teledyne LeCroy Technical Library lets you search for, browse, and print the latest technical documentation. A search aid allows you to filter documents by category or keyword.

Application Notes on this site are available in PDF format for easy download.

Application Notes

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WaveScan in WaveSurfer 3000z Oscilloscopes

The WaveScan tool built into the WaveSurfer 3000z oscilloscopes enables the instruments use more than 20 different search criteria to find anomalies in a captured waveform, or to scan live acquisitions for anywhere from a second to a day.

Sequence Mode in WaveSurfer 3000z Oscilloscopes

Using Sequence Mode, the WaveSurfer 3000z oscilloscopes from Teledyne LeCroy store up to one thousand trigger events as segments in acquisition memory. This fast-acquisition sampling mode offers fast trigger rates, time stamping of trigger events, and minimization of "dead time" between events.

History Mode in WaveSurfer 3000z Oscilloscopes

History Mode gives the WaveSurfer 3000z oscilloscopes a powerful debug tool, providing waveform playback that takes users back in time to effectively isolate anomalies in signals.

Digital Measurements in WaveSurfer 3000z Oscilloscopes

The WaveSurfer 3000z oscilloscopes offer a full complement of timing parameters for measurement and analysis of digital busses.

Digital Channel Setup in WaveSurfer 3000z Oscilloscopes

History Mode gives the WaveSurfer 3000z oscilloscopes a powerful debug tool, providing waveform playback that takes users back in time to effectively isolate anomalies in signals.

AC Input Dynamic Power and Harmonic Analysis using the MDA810 Motor Drive Analyzer

Variable frequency motor drives provide enormous operational and control benefits, but their ability to dynamically control a motor requires equivalent dynamic analysis capability for validation and debug during research and development. The Teledyne LeCroy Motor Drive Analyzer (MDA) dynamically measures per-cycle power and harmonic distortion values, plots them as Waveforms, and permits easy correlation of these values to drive AC input waveforms.

Static and Dynamic Motor Loss Comparisons Using the Teledyne LeCroy Motor Drive Analyzer

The Teledyne LeCroy Motor Drive Analyzer is ideal for measuring dynamic (transient) losses to enable better understanding of motor and drive efficiencies during real-world operation. Additionally, the Motor Drive Analyzer derives the core and copper loss components using known motor constants and compares them to engineering models and the drive control feedback circuit. The accuracy of the measurements is sufficient to permit comparisons of different drive control and motor types.

Dynamic Rapid Motor Acceleration Loss Measurements Using the Teledyne LeCroy Motor Drive Analyzer

The Teledyne LeCroy Motor Drive Analyzer is ideal for measuring dynamic (transient) losses to enable better understanding of motor and drive efficiencies during real-world operation. Additionally, the Motor Drive Analyzer derives the core and copper loss components using known motor constants and compares them to engineering models and the drive-control feedback circuit.

Two-wattmeter-method, Three-phase Power Calculations with Accurate Line-Line to Line-Neutral Conversion

The two-wattmeter method reduces from six to four the number of input channels required to measure power on a three-phase system. With this method, the calculated power values from each line-line voltage and line-neutral current pair are not in phase or balanced, though the total three-phase power value is correct. However, the Motor Drive Analyzer (MDA) performs a line-to-line to line-neutral conversion and displays accurate and balanced per-phase power values that aid in understanding proper three-phase system operation.

Using CAN Digital Data for Speed Calculation in the Teledyne LeCroy MDA810 Motor Drive Analyzer

The Controlled Area Network (CAN) serial data protocol communicates information over a serial bus in automotive and industrial applications. For motor applications, CAN data may contain digitally encoded electric motor shaft speed. The MDA extracts this encoded data, converts it to an analog value, rescales it, and then uses it in the MDA as a source for motor shaft speed.
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