M924XA InfiniiVision PXIe Modular Oscilloscopes

Data Sheets

Keysight is taking modular analysis to a whole new level This is not just a digitizer with an oscilloscope SFP (soft front panel). The InfiniiVision PXIe modular oscilloscopes utilize Keysight’s InfiniiVision benchtop oscilloscope technology and packages it for PXI.

  •  M9241A PXIe modular oscilloscope – 200 MHz bandwidth
  •  M9242A PXIe modular oscilloscope – 500 MHz bandwidth
  •  M9243A PXIe modular oscilloscope – 1 GHz bandwidth

The Power of a Benchtop Oscilloscope in a Modular Package

The InfiniiVision M924XA Series redefines modular oscilloscopes. It gives you the most signal detail with maximum investment protection and is built with technology that leverages decades of Keysight’s high-performance oscilloscope expertise.


  •  200 MHz, 500 MHz or 1 GHz bandwidths available to match your measurement application
  •  Advanced triggering enables capture and analysis of complex signals
  •  Visual triggers (zone touch and mask) make trigger and capture of signal errors quick and easy
  •  Serial protocol analysis and triggering for most common protocols
  •  Automated FFT and waveform math extend analysis to match your needs
  •  Segmented memory can analyze 1000 events without ever offloading to a PC

Measurement capability

  •  AutoProbe support for most Keysight probes
  •  High-accuracy current probes
  •  Differential and single-ended active probes
  •  Power rail analysis
  •  High-voltage probes
  •  30+ automated measurements provide simple-to-access analysis

Multiple instruments in one

  •  Oscilloscope support for up to 1 GHz bandwidth with 5 GSa/s
  •  DVM (Digital voltmeter) 3-digit using the same scope probes
  •  8-digit counter for integrated totalizer/frequency counter measurements
  •  Protocol analyzer for I²C, UART, CAN, LIN, CXPI and more
  •  Spectrum analysis with hardware-accelerated FFT measurements
  •  20-MHz arbitrary waveform generator

Uncompromising Analysis Capability

Many modular users have been using digitizer hardware with software that simulates an oscilloscope for test and troubleshoot implementation. The limitations of this configuration are often overlooked, but they can cause signification problems.

When a instrument says it has a high waveform update rate, people usually expect it to have a higher probability of catching random and infrequent glitches, but this isn’t the case for those instruments. In addition, common measurements like waveform averaging and advanced waveform triggers are not available.

Keysight is currently the only vendor that delivers oscilloscope hardware in a PXI modular package. Keysight’s M924XA Series PXIe oscilloscopes begin with basic digitizer hardware, but then they add measurement tools directly into the hardware of the PXI card.

The InfiniiVision PXIe modular oscilloscopes require minimum support from a central processing unit (CPU), as most of their core operations are handled by the MegaZoom IV smart memory ASIC, which is Keysight proprietary technology.

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 a WaveGen function/arbitrary waveform generator.

The M924XA Series PXIe modular oscilloscopes utilize hardware to perform many of the functions traditional digitizers do with software on the CPU. By doing more in hardware, M924XA Series oscilloscopes can analyze more of the signal than ever before.

Industry-exclusive Zone Touch Trigger Makes Triggering Simple

Zone touch triggering eliminates the complexity of setting up advanced triggers. If you have a touch-enabled display on your controller, you can trigger on events by simply drawing a box with your finger on the display of the signal you want to isolate. Keysight pioneered the zone touch trigger, which allows easy capture of difficult-to-define trigger events.

The M924XA Series’ high, uncompromised update rate increases your chance of seeing random and infrequent signal anomalies, and zone touch trigger helps you isolate the signals. Now your testing can be faster and more thorough.

Other touch-based operation

Just like Keysight’s touch-enabled InfiniiVision benchtop oscilloscopes (3000T, 4000 and 6000 X-Series), the M924XA Series also uses touch capability to interact with signal display.

In addition to zone touch trigger, these oscilloscopes also let you move the waveform up/down; adjust the time offset and zoom; and define one of the two touch zone triggers. All that is required is a touch-enabled display connected to your modular scope.


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