M2i.4028 & M2i.4038 14 bit PCI / PCI-X / PCI-Express radar signal capture card

M2i logo information link
20MS/s or 50Ms/s analogue signal capture channel
Trigger on radar signal amplitude or via external TTL pulse 
16 bit digital antenna azimuth/elevation detection
Up to 1 GSample (2 GByte) memory
FIFO mode for 200+ MByte/s data transfer to the PC
Multiple-record option to reduce data file size
6 input ranges from 200 mV to 10 V
Input can be offset up to 200 % for improved resolution

M2i4028:4038 radar board image, PCI-X version

Here is a special solution for radar signal capture / recording. This card incorporates an ultra high-speed, high resolution, 14 bit 50MS/sec signal capture on-board A/D module, coupled with a 16 bit digital input module for recording angular positioning from a radar antenna encoder for azimuth and elevation. The trigger input connection gives full control of the sampling window and utilising an optional enhancement(see below) each trigger can be time-stamped. Digitise and record to on-board memory or stream long term to the PC.

Standard features

  • FIFO mode
  • Channel trigger
  • External TTL trigger input/output
  • External TTL clock input/output
  • Pulse width trigger
  • Window trigger
  • Steepness trigger
  • OR trigger
  • Deep standard memory: 256 Msample (512 MByte)
  • Input impedance selectable to 50 Ohm or 1 MOhm

Enhancements included more information on enhancements

  • ABA mode - Variable sampling speed, jump to fast capture on trigger
  • Multiple Recording - multiple sequential signal capture using fast repetitive triggers, auto re-arm
  • Gated Sampling - signal recording length controlled by trigger level
  • Time stamp - records the time of each trigger event

Special (cost) options more information on options

  • BASEXIO - Extra asynchronous digital I/O with additional trigger lines
  • Synchronous digital inputs
  • Memory upgrade to 512MSample or 1 GSample
  • Synchronisation Star Hub - synchronise up to 16 cards
  • System Star Hub - synchronise up to 17 Star Hub systems


max sample rate

name 1 channel
M2i.4028 20 MS/s
M2i.4038 50 MS/s
PCI-Express versions simply suffixed -exp, e.g. M2i.4028-exp

Pre-Amplifier modules

Recording very small signals? High frequency wide bandwidth pre-amplifiers are available to enhance the gain range of the M2i range.
Click on the image below for more information.

SPA amplifier module - link to information page


  • Standard drivers for Windows XP / Vista / 7 /8 / 10 and Linux
  • SBench 6.x signal processing windows software
  • Drivers for LabVIEW, DASYLab,Agilent VEE and LabWindows/CVI
  • Driver for MATLAB

Downloads for more information

pdf link [PDF radar card summary]
pdf link [PDF operational description]

Software download

[SBench 6.x full version 20MB] This Windows/Linux download allows testing of SBench functionality with or without hardware.

More information on this special card can be easily requested from Dataquest Solutions directly, please click here for contact details

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Dataquest Solutions November 2009, last updated 15.05.17
Images courtesy of Spectrum GmbH