LeCroy released new lines of WaveSurfer MXs-B and MSO MXs-B oscilloscopes ranging from 200 MHz to 1 GHz bandwidth. The new instruments deliver sample rates up to 10 GSps and memory of 25 Mpts, as well as feature set enhancements which include a powerful Sequence Mode data acquisition capability. This is in addition to debug tools such as WaveStream Fast Viewing Mode, WaveScan Search and Find, a wide variety of serial data trigger and decode packages plus the LabNotebook documentation and report generator. Adding to their flexibility, the MSO MXs-B models provide 18 digital channels that can sample at 1 GSps for debugging analog and digital mixed-signal systems.
WaveSurfer uses a bright 10,4” colour display to allow room for everything including time-correlated views of mixed-signal systems and non-time domain analysis.
Capturing complex signals can require different types of acquisition modes: for very slow signals roll mode is helpful, for very fast signals repetitive sample is effective. Sequence mode is a versatile acquisition mode that segments the oscilloscope memory and combines up to 10 000 acquisitions into a single, sequential waveform. This technique enables capturing of very fast pulses in rapid succession with trigger rates of up to 1,25 million waveforms per second. Additionally, sequence mode can be used to optimise memory usage by only capturing data when data is present, ignoring large spans of dead time between pulses or bursts. In the end, all the waveforms are displayed and time stamped for further analysis.
WaveScan provides the ability to locate unusual events in a single capture (ie, capture and search), or ‘scan’ for an event in any acquisitions over a long period of time. Users can select from more than 20 search modes (frequency, rise time, duty cycle, etc), apply a search condition and begin scanning. Since the scanning modes are not simply copies of the hardware triggers, the utility and capability is much higher. For instance, there is no frequency trigger in any oscilloscope, yet WaveScan allows frequency to be quickly scanned for. This allows the user to accumulate a data set of unusual events that are separated by hours or days, enabling faster debugging.
Users can efficiently create complete and detailed waveform reports directly in the oscilloscope. An all-in-one solution for annotating and sharing information, LabNotebook simplifies results recording and report generation by eliminating the multistep processes that often involve several pieces of equipment. LabNotebook enables users to focus on results rather than the process, as it saves all displayed waveforms and the relevant DSO setups with the saved waveform. The user can add freehand notes with a stylus or as text and convert the complete report to pdf, rtf or html. Reports can then be printed or e-mailed directly from the scope.
The serial data trigger and decode options for WaveSurfer provide time saving tools for serial bus debug and validation. The serial data trigger will quickly isolate events on a bus, eliminating the need to set manual triggers. Protocol decoding is shown directly on the waveform with an intuitive, colour-coded overlay and presented in binary, hex or ASCII. Decoding on the WaveSurfer is fast even with long memory and zooming in to the waveform shows precise byte-by-byte decoding. To further simplify the debug process, all decoded data can be displayed in a table below the waveform grid. Selecting an entry in the table with the touch screen will display just that event. Additionally, built-in search functionally will find specific decoded values.
MSO MXs-B and the WaveSurfer MXs-B offers tools for trigger and decode of a broad set of popular serial data signals such as I²C, SPI, UART, CAN, LIN, FlexRay, USB, ARINC 429, MIL-STD-1553, MIPI D-PHY, DigRF3G and Digital Audio.
For more information contact Comtest, +27 (01)11 608 8520, [email protected], www.comtest.co.za
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