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InfiniiVision 4000A/G X 系列示波器


Oscilloscope Experience Redefined: Experience the Speed, Usability, and Integration

Imagine an oscilloscope that sees everything, triggers on anything, has the ease-of-use of a tablet device…and grows with your projects.

The Keysight 4000 X-Series oscilloscopes are engineered for next-generation performance, delivering waveform update rates 20 times faster than the competition to display the most signal detail.An industry-leading 12.1-inch capacitive touch screen with innovative hardware-based zone touch triggering provides the most intuitive interface to get you answers faster.The 4000 X-Series provides maximum investment protection with fully upgradable 7-instruments-in-1.

Experience the speed

Anomalies and elusive events are the toughest to debug. The 4000 X-Series oscilloscope redefines your debugging experience with MegaZoom IV smart memory technology. The industry-leading 1-million-waveforms-per-second update rate means you see more of your signal behavior and can feel more confident in your design.

Experience the usability

You may be surprised just how easy it is to use the InfiniiVision 4000 X-Series. A 12.1-inch capacitive touch screen − the industry’s largest − works just like your favorite tablet or smart phone, so debugging your devices is faster than ever before. Innovative zone touch triggering makes triggering on anything a snap.Just draw a box around signals of interest and the oscilloscope triggers on them.So, if you can see it, you can trigger on it.

Experience the integration

The 4000 X-Series further redefines your oscilloscope experience by integrating the capabilities of seven instruments in one: oscilloscope channels, logic channels, digital voltmeter (DVM), dual-channel WaveGen function/arbitrary waveform generator, frequency response analyzer (Bode plots), 8-digit hardware counter, and serial protocol analyzer including USB.All are upgradable, including bandwidth, for the ultimate investment protection.

Oscilloscope Experience Redefined: Experience the Speed

One million waveforms per second update rate

If you can’t see the problem, it is hard to troubleshoot it. With an industry-leading one million waveforms per second update rate, the InfiniiVision 4000 X-Series gives you the highest probability of capturing random and infrequent events that you would miss on an oscilloscope with a lower waveform update rate.

Powered by MegaZoom IV smart memory technology, the InfiniiVision 4000 X-Series not only lets you see more waveforms, but it has the uncompromised ability to find the most difficult problems in your design. Unlike other oscilloscopes, uncompromised ability means:

  • Always-fast, responsive operation
  • No slowdown with logic channels on
  • No slowdown with protocol decoding on
  • No slowdown with math functions turned on
  • No slowdown with measurements turned on

What is waveform update rate and why is it important?

As oscilloscopes acquire data, process it, and plot it to the screen, there is inevitable “dead time,” or the time oscilloscopes miss signals completely In general, the faster the waveform update rate, the shorter the dead time The shorter the dead time, the more likely an oscilloscope is to capture anomalies and infrequent This is why it is critical to select an oscilloscope with a fast waveform update rate.

Keysight achieves this industry-leading waveform update rate with MegaZoom IV smart memory technology

Traditionally, CPU processing was the major bottleneck for oscilloscope waveform update rate and responsiveness. Typically, the CPU handles interpolations, logic channel plotting, serial bus decoding, measurements and more, and the waveform update rate drops dramatically as these features are turned on.

The InfiniiVision 4000 X-Series requires minimum support from a CPU, as most core operations are handled by Keysight proprietary technology, the MegaZoom IV smart memory ASIC. MegaZoom includes hardware serial decoders and hardware mask limit testing capability, plots analog and digital data directly to the display, supports GUI operation, and integrates additional instruments like the dual-channel WaveGen function/arbitrary waveform generator.

Segmented memory: A smart and efficient way to capture waveforms

Acquisition memory size is an essential oscilloscope specification because it determines the amount of data you can capture in a single acquisition. In general, longer memory is better. However, no memory is always long enough to capture all the signals you need, especially when capturing infrequent anomalies, data bursts, or multiple serial bus packets. Segmented memory acquisition lets you selectively capture and store important signal activity without capturing unimportant signal idle time with the time stamp of each segment relative to the first trigger event. Segmented memory comes standard in the 4000 X-Series.

Figure 7 shows segmented memory successfully capturing 1,000 events in 3.27274 seconds. Traditional memory architecture would require 2.7 Gpts of memory to accomplish the same result. This memory is not available on any scope in the market.

Segmented memory + serial decode

Segmented memory works in conjunction with serial protocol decode. For example, by setting the trigger condition to “CAN serial bus error,” segmented memory captures and stores only CAN error packets and stitches together each segment for easy viewing. You can quickly compare time tags in the event lister to discover time intervals between errors.

Mask and measurement limit testing (option)

Whether you are performing pass/fail tests to specified standard in manufacturing or testing for infrequent signal anomalies, mask and measurement limit testing can be a valuable productivity tool. The 4000 X-Series features powerful hardware-based mask testing and can perform up to 270,000 tests per second. You can select multiple test criteria, including the ability to run tests for a specific number of acquisitions, a specified time, or until detection of a failure.

With the optional measurement limit testing capability, you can perform pass/fail testing based on user-defined maximum and minimum limits on any parametric measurement that has been selected and turned on. Stop-on-failure is also available.

Search and navigation

The parametric and serial bus search and navigation feature comes standard on the 4000 X-Series oscilloscopes. When you are capturing long, complex waveforms using an oscilloscope’s deep acquisition memory, manually scrolling through stored waveform data to find specific events of interest can be slow and cumbersome. With automatic search and navigation capability, you can easily set up specific search criteria and then quickly navigate to “found and marked” events. Available search criteria include edges, pulse width (time-qualified), rise/fall times.

(time-qualified), runt pulses (time-and level-qualified), frequency peaks (FFT function, threshold and excursion qualified), and serial bus frames, packets, and errors.



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