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LeCroy offers a wide variety of software options targeted to the solution of specific types of measurement problems. One popular option for the DDA series is the Advanced Optical Recording Package (AORM), for testing CD-ROM, DVD, and magneto-optical drives. Other very powerful additions offered for the DDA 260 are jitter and timing analysis packages (JTA or the more advanced JitterPro). The DDA 260 can measure signal jitter, modulation effects, and other types of timing problems precisely and can present the results in the time, frequency, or statistical domains.
Two additions to the suite of available software options are the Digital Filter Package (DFP) and PolyMask. DFP allows you to create a variety of filters including low pass, high pass, band pass, band stop, Gaussian, raised cosine, raised root cosine, and user-defined (up to 1,000 elements). The PolyMask option is intended for applications requiring pass/fail testing.
PolyMask includes a PC utility —
MaskMaker — for creating pass/fail test templates and the ability to download these templates into a LeCroy DDA 260. Incoming waveforms can be compared to the test masks, and a variety of actions can be initiated if the signal fails the test.
For applications
requiring measurement of the performance of power devices, LeCroy offers a complete PowerMeasure system including a differential amplifier, current probe, timing deskew calibration source and PMA1 software. With this system, you can measure in-rush current during turn-on, determine power dissipation, check the Safe Operating Area
(SOA) of power devices, verify emitted and conducted EMI, and more.
LeCroy’s Digital Filter Package (DFP) offers additional filtering capability. It implements a set of linear-phase Finite Impulse Response (FIR) filters. It enhances your ability to examine important signal components by filtering out undesired spectral components such as noise. With the custom design feature, you can reconstruct corrupted signals by applying matched (mirror) filters to compensate for known
distortions.
AORM can create a list by nT display of Timing Jitter (timj) measurements of a CD-ROM Data waveform with separate values displayed for each nT mark/space width.
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