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M9217A PXIe Single-Slot 2-Channel Isolated Digitizer

Data Sheets

Keysight M9217A

PXIe Single-Slot 2-Channel Isolated Digitizer

Data Sheet

Introduction

The Keysight Technologies, Inc. M9217A is a PXI Express based, single-slot 2-channel, isolated digitizer that supports up to ±256 V input voltage at 20 MSa/s sampling rate with 16-bit resolution. With its built-in peak voltage protection of up to 400 V, the M9217A is ideal for analyzing high-voltage and transient signals as seen in automotive, mechatronics and aerospace defense applications.

Key Features

  • ±256 V input voltage
  • 2-channel isolated, with ADCs per channel, simultaneously sampled channels
  • 20 MSa/s sampling rate at 16-bit resolution
  • Built-in 400 V peak voltage protection
  • Single PXI express slot
  • PXI trigger types supported: PXI TTL / trigger and PXI Star trigger
  • IVI-COM, IVI-C, LabVIEW G drivers

±256 V input voltage

Input channels with the ability to measure waveforms up to 256 V are ideal for analyzing high-voltage and transient signals as seen in automotive and aerospace defense applications. Most oscilloscopes and PXI digitizers have a maximum input range less than 40 Vpk. This also reduces the need to add expensive input signal attenuation and signal conditioning circuitry, saving test development time and money.

2-channel isolated, with ADCs per channel

In addition, since the ±256 V input voltage range is combined with 16-bit analog-todigital converters (ADCs), the isolated front-end and low input offset allows voltages from as low as 250 mV to as high as 256 V to be measured simultaneously.

The M9217A’s individually isolated 2-channel inputs have been designed for high performance with an A/D converter per channel to ensure the signals you measure are accurately digitized without distortion or additional noise. Channel input range is configurable from ±250 mV up to ±256 V, with a floating voltage up to ±40 V to accommodate differential waveform acquisition.

20 MSa/s sampling rate at 16-Bit resolution

The M9217A’s ability to support up to 20 MSa/s sampling rate at 16-bit resolution enables sampling of transient waveforms like injector waveforms (Figure 1).

Built-in 400 V peak voltage protection

To support high voltage and transient signals in automotive, mechatronics and aerospace and defense applications, the M9217A has a built-in peak voltage protection against overvoltage spikes of up to 400 V.

32 MSa/channel with up to 1024 segmented memory

Coupled with the memory segmentation feature of up to 1024 records, the M9217A’s 32M sample memory size enables multiple bursts of data to be digitized without the need for re-initialization between bursts. The record size is configured by selecting the total number of samples, including pre-trigger samples.

Support for multiple trigger types

The M9217A supports different trigger types like PXI trigger bus, PXI Star, external input/ output, channel and software trigger. Configurable trigger delay and trigger hold-off allow you to better define where record data is collected relative to the trigger event. The configurable trigger delay feature allows precise positioning of acquisition relative to the trigger event, while the trigger hold-off feature helps avoid false triggers.

The PXI TTL trigger output enables the M9217A digitizer to synchronize to other devices. Multiple M9217A digitizers can be synchronized for higher channel count.

IO Libraries

Keysight input/output or IO Libraries Suite offers fast and easy connection to instruments. The latest suite version extends that capability to include modular instruments. New support for PXI such as the Keysight IO Libraries Suite helps you display all of the modules in your system. From here, you can view information about the installed software or start the soft front panel of the module. Launch the soft front panel of the module directly from Keysight Connection Expert. Figure 2 shows the M9217A soft front panel.

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