Oscilloscopes trigger with record memory
-- Test & Measurement World, 2/1/2008 2:00:00 AM
With an optional 1 Gsample of waveform memory per channel, Agilent’s Infiniium DSO/DSA 90000A series holds the current memory record for oscilloscopes. The 90000A series consists of six digital signal oscilloscope (DSO) and six digital signal analyzer (DSA) models, with 10 Msamples of memory standard on the DSOs and 20 Msamples on the DSAs. Several memory options of up to 1 Gsample per channel are available.
The 90000A series builds on the low-noise 80000B series, but adds triggers such as edge-then-edge, timeout, and window. With a window trigger, you can draw a box on the screen and set the oscilloscope to trigger whenever a signal enters that space.
Besides having deep memory, the 90000A series features high bandwidth, ranging from 2.5 GHz to 13 GHz. The 2.5-GHz, 4-GHz, and 6-GHz models sample at 20 Gsamples/s on all channels, while the 8-GHz, 12-GHz, and 13-GHz models sample at 40 Gsamples/s. All models except the 13-GHz unit are bandwidth upgradeable. Noise levels range from 147-μV RMS at 2.5 GHz to 389-μV RMs at 13 GHz. All models feature 29 application-specific measurements covering serial data streams such as PCI Express and Ethernet, plus jitter analysis and mask testing.
Base price range (for DSOs): $29,000–$102,000. Agilent Technologies, www.agilent.com.
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