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LeCroy unveils general-purpose DSOs

Posted: 03 Feb 2003 ?? ?Print Version ?Bookmark and Share

Keywords:lecroy? wavepro 7100? wavepro 7300? digital oscilloscope? x stream echnology?

LeCroy Corp.'s WavePro 7100 (1GHz) and WavePro 7300 (3GHz) digital oscilloscopes (DSOs) feature the company's X-Stream Technology and WaveShape Analysis capability at a price point that the company says should have broader appeal than the top-of-the-line WaveMaster oscilloscopes, which have bandwidths up to 6GHz. The WavePro 7100 is priced at $21,000, while the model 7300 goes for $38,000.

Designed with the long memory and oversampling necessary for next-generation waveform measurement and analysis, the more general-purpose models still conduct highly accurate tests on complex signals, such as those found in data communications/telecommunications equipment.

The sampling rate of the four-channel DSOs is 10GSa/s per channel, with a maximum sample rate of 20GSa/s accomplished when the WavePro 7100 or WavePro 7300 are operated in two-channel mode. That allows up to 24 million points to be acquired in four-channel mode and as many as 48 million points to be acquired when operating in dual-channel mode.

The X-Stream Technology allows data records to be packetized and streamed to the microprocessor for fast analysis, which optimizes the use of cache memory. The user can zoom into the signal, locate the glitch or error and use advanced WaveShape analysis tools to find its cause.

The user also can create a customized parameter measurement or waveform math function and insert the proprietary algorithm into the processing environment of the oscilloscope rather than use cumbersome "connectivity" methods to export data out of the DSO application.

Both WavePro DSOs offer a choice of acquisition memory lengths starting with a standard memory of 1Mpoint per channel on each of the four input channels and extending to 24Mpoints/channel. Intermediate-memory choices are 2Mpoints/channel, 8Mpoints/channel, and 16Mppoints/channel.

In all cases, the data acquisition memory length is doubled if only one or two of the inputs is used. The WavePro 7100 and WavePro 7300 DSOs are designed with 10.4-inch SVGA touchscreen displays.

LeCroy offers the same X-MAP package of capabilities for the WavePro line as offered on the WaveMaster oscilloscopes.

X-MAP contains three options that are also available separately for DSO users who do not need the full set: X-Math, X-Dev, and JTA-2. The X-Math package provides eight math traces (four are standard), the ability to do math on parameter measurements, histogramming up to 2 billion events (500 is standard) and 19 histogram parameters. X-Math also enhances the standard fast Fourier transform ability of the oscilloscopes by adding power averaging, power density, real and imaginary components, additional frequency-domain parameters, and the ability to perform FFT on data records up to 25Mpoints.

Also, as an option, the company offers a graphics printer that has high-resolution for the WavePro oscilloscopes that produces black and white images in about 10s.

The company also has a full range of probes, including 3.5GHz and 1.5GHz bandwidth active probes that preserve the full bandwidth of the 3GHz and 1GHz scopes at the probe tip.

Current probes with up to 50MHz of bandwidth and capacity up to 500A are available, as are an assortment of differential amplifiers. Delivery is four to six weeks after receipt of order.

- EE Times

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