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M2i.2031
8 bit multi-purpose digitizer
Description:
The cards of the M2i.20xx series are designed for the fast and high quality data acquisition. Each of the up to four input channels has its own A/D converter and its own programmable input amplifier. This allows the recording of signals on all channels with 8 bit resolution without any phase delay between them. The inputs can be selected to one of seven input ranges by software and can be programmed to compensate for an input offset of +/-400% of the input range. All four cards of the M2i.20xx series may use the whole installed on-board memory completely for the currently activated number of channels. A FIFO mode is also integrated on the board.
Facts & Features:
- Up to 200 MS/s on 2 channels
- Up to 100 MS/s on 4 channels
- Simultaneously sampling on all channels
- Separate ADC and amplifier per channel
- Up to 2 GSample on-board memory
- 512 MSample standard memory installed
- 7 input ranges between +/-50 mV and +/-5 V
- Window, pulse width, re-arm, OR/AND trigger
- Synchronization of up to 16 cards
- 66 MHz 32 bit PCI-X interface
- 5V / 3.3V PCI compatible
- 100% compatible to conventional PCI >= V2.1
- Sustained streaming mode up to 245 MB/s
Application examples:
- Acquisition / Replay of fast data in combination with M2i.61xx
- Laser Doppler Anemometer
- Ultrasound Inspection System
- Radar Applications
BaseXIO (Optional)
The BaseXIO option offers 8 asynchronous digital I/O lines on the base card. The direction can be selected by software in groups of four. Two of these lines can also be used as additional external trigger sources. This allows the building of complex trigger conjunctions with external gated triggers as well as AND/OR conjunction of multiple external trigger sources like, for example, the picture and row synchronisation of video signals. In addition one of the I/O lines can be used as reference clock for the Timestamp counter.
FIFO mode
The FIFO mode is designed for continuous data transfer between measurement board and PC memory (up to 245 MB/s on a PCI-X slot, up to 125 MB/s on a PCI slot and up to 160 MB/s on a PCIe slot) or hard disk. The control of the data stream is done automatically by the driver on interrupt request. The complete installed on-board memory is used for buffer data, making the continuous streaming extremely reliable.
System Star-Hub (Optional)
Using the System Star-Hub for M2i series cards it is possible to synchronize several systems with each other having the same advantages that the standard Star-Hub gives. The system star-hub allows to extend the number of synchronous channels or set up multiple synchronous data streaming systems either for data storage or online calculations.
Star-Hub (Optional)
The star-hub is an additional module allowing the phase stable synchronization of up to 16 boards in one system. Independent of the number of boards there is no phase delay between all channels. The star-hub distributes trigger and clock information between all boards. As a result all connected boards are running with the same clock and the same trigger. All trigger sources can be combined with OR/AND allowing all channels of all cards to be trigger source at the same time. The star-hub is available as 5 card and 16 card version. The 5 card version doesn't need an extra slot.
Channel Trigger
The data acquisition boards offer a wide variety of trigger modes. Besides the standard signal checking for level and edge as known from oscilloscopes it's also possible to define a window trigger. Trigger conditions can be combined with logical conjunctions like OR to adopt to different application scenarios.
External Trigger
All boards can be triggered using an external TTL signal. It's possible to use positive or negative edge also in combination with a programmable pulse width. An internally recognized trigger event can - when activated by software - be routed to the trigger connector to start external instruments.
Timestamp
The timestamp option writes the time positions of the trigger events in an extra memory. The timestamps are relative to the start of recording, a defined zero time, externally synchronized to a radio clock, or a GPS receiver. With this option acquisitions of systems on different locations can be set in a precise time relation.
External Clock
Using a dedicated connector a sampling clock can be fed in from an external system. It's also possible to output the internally used sampling clock to synchronize external equipment to this clock.
High Precision PLL
The internal sampling clock of the card is generated using a high precision PLL. This powerful device allows to select the sampling rate with a fine step size making it possible to perfectly adopt to different measurement tasks. Most other cards on the market only allow the setup of fixed sampling rates like 100 MS/s, 50 MS/s, 25 MS/s, 10 MS/s, ... without any possibility to set the sampling rate to any value in between.
Reference Clock
The option to use a precise external reference clock (normally 10 MHz) is necessary to synchronize the board for high-quality measurements with external equipment (like a signal source). It's also possible to enhance the quality of the sampling clock in this way. The driver automatically generates the requested sampling clock from the fed in reference clock.
Programmable Input Amplifiers
The analog inputs can be adapted to real world signals using a wide variety of settings that are individual for each channel. By using software commands the input termination can be changed between 50 Ohm and 1 MOhm and one can select an input range matching the real world signal.
Programmable Input Offset
Most of the Spectrum A/D cards offer a user programmable signal offset opening the Spectrum boards to a wide variety of setups. The signal offset at least covers a range of +/-100 % of the currently selected input range making unipolar measurements with the card possible. Besides this the input range offset can be programmed individually allowing a perfect match of the A/D card section to the real world signal.
This standard driver is included in the card delivery and it is possible to get the newest driver version free of charge from our homepage at any time. There are no additional SDK fees for the classical text-based programming. All boards are delivered with drivers for Windows 7, Windows 8, Windows 10 and Windows 11, all 32 bit and 64 bit.
| Product | Channels | Max. Samplerate | Max. Bandwidth |
|---|---|---|---|
| M2i.2020 | 2 | 50 MS/s | 25 MHz |
| M2i.2021 | 4 | 50 MS/s | 25 MHz |
| M2i.2030 | 2 | 200 MS/s | 90 MHz |
| On different platforms | Bus | Max. Bus Transfer speed |
|---|---|---|
| DN2.203-04 | Ethernet | 70 MByte/s |
| DN2.203-08 | Ethernet | 70 MByte/s |
| M2i.2031-Exp | PCI Express x1 | 160 MByte/s |
| MC.2031 | CompactPCI | 100 MByte/s |
| MI.2031 | PCI | 100 MByte/s |
Clock / Trigger Distribution (Optional)
The Clock and Trigger Distribution card allows to externally connect several systems with a common clock and a synchronized trigger signal. One can connect up to 17 independent systems or external equipment using this card.Documents
 Legacy Windows Driver Installation |
Windows driver installation of driver versions < 4.0 |
21.02.2022 | 1 M | |
| M2i.20xx Datasheet |
Data sheet of the M2i.20xx family |
21.02.2022 | 868 K | |
| M2i.20xx Manual |
Manual of M2i.20xx family |
21.02.2022 | 7 M | |
| PDN M2i.20xx Series |
Product Discontinuance Notification for M2i.20xx/M2i.20xx-exp Series |
21.02.2022 | 225 K | |
| Streaming System |
Datasheet of Spectrum Terastore Streaming System |
21.02.2022 | 910 K | |
| M2i ClkTrigDistr Datasheet |
M2i Clock / Trigger distribution card |
21.02.2022 | 217 K | |
| M2i StarHub Datasheet |
M2i StarHub module datasheet |
21.02.2022 | 224 K | |
| SPA Datasheet |
Data sheet of SPA pre-amplifier |
08.12.2023 | 580 K | |
| Docking Station |
Data sheet of Docking Station |
21.02.2022 | 166 K | |
| IVI Driver Manual |
Short Manual for IVI Driver |
21.02.2022 | 532 K | |
| SBench 6 data sheet |
Data sheet of SBench 6 |
15.01.2024 | 999 K | |
| MATLAB Manual |
Manual for MATLAB driver M2p/M4i/M4x/M5i/M2i/M3i/DN2/DN6 |
13.12.2023 | 1 M | |
| LabVIEW Manual |
Manual for LabVIEW drivers for M2i/DN2 |
21.02.2022 | 2 M | |
| SBench 6 Manual |
Manual for SBench 6 |
21.02.2022 | 7 M |
WINDOWS DRIVER + SOFTWARE
 Win32 Driver Win2k |
M2i / M3i driver - last Version for Windows 2000 |
2 | 21.02.2022 | 437 K |
 Driver Win7/8/10/11 |
M2p/M4i/M4x/M5i/M2i/M3i/DN2/DN6 driver for Windows 7, 8, 10, 11 (32/64 bit) |
7.05 | 15.01.2025 | 5 M |
| Win32 Driver WinXP/Vista |
M2i/M3i/M4i/M4x driver - last Version for Windows 32 XP / Vista |
3.30 | 21.02.2022 | 2 M |
| Win64 Driver WinXP/Vista |
M2i/M3i/M4i/M4x driver - last Version for Windows 64 XP / Vista |
3.20 | 21.02.2022 | 3 M |
| c_header |
C/C++ driver header and library files |
7.05 | 15.01.2025 | 44 K |
| Control Center Win2k |
Spectrum Control Center - last Version for Windows 2000 |
1.41 | 21.02.2022 | 8 M |
| SBench5 |
SBench 5 Installer |
5.3.0 | 21.02.2022 | 5 M |
| Control Center (32-bit) |
Spectrum Control Center (32-bit) / Windows 7, 8, 10 |
2.39 | 15.01.2025 | 24 M |
| Control Center (64-bit) |
Spectrum Control Center (64-bit) / Windows 7, 8, 10, 11 |
2.39 | 15.01.2025 | 37 M |
| Control Center WinXP |
Spectrum Control Center - last Version for Windows XP |
1.74 | 21.02.2022 | 8 M |
| SBench6 (32-bit) |
SBench 6 (32-bit) Installer / Windows 7, 8, 10 |
6.5.10 | 15.01.2025 | 31 M |
| SBench6 (64-bit) |
SBench 6 (64-bit) Installer / Windows 7, 8, 10, 11 |
6.5.10 | 15.01.2025 | 44 M |
| SBench6 WinXP |
SBench6 - last Version for Windows XP |
6.3.5 | 21.02.2022 | 41 M |
| Remote Server Windows |
Windows Installer for Remote Server Option |
15.01.2025 | 13 M | |
 IVI Digitizer |
IVI Driver for IVI Digitizer class (32 bit) |
15.01.2025 | 3 M | |
| IVI Scope |
IVI Driver for IVI Scope class (32 bit) |
15.01.2025 | 3 M | |
| LabView driver |
M2i/M2p/M3i/M4i/M4x/M5i/DN2/DN6 LabView driver installer |
15.01.2025 | 20 M | |
| Matlab driver |
M2p/M4i/M4x/M5i/M2i/M3i/DN2/DN6 Matlab driver + examples installer |
15.01.2025 | 25 M | |
| Examples for Windows |
Windows Examples (C/C++, .NET, Delphi, Java, Python, Julia ...) |
7.05 | 15.01.2025 | 2 M |
LINUX DRIVER + SOFTWARE
 Linux Driver Complete |
M2p/M4i/M4x/M5i/M2i/M3i drivers (Kernel + Library) for Linux 32 bit and 64 bit |
7.05 | 15.01.2025 | 37 M |
| Linux Driver Library |
Driver libraries (no Kernel) for Linux 32 bit and 64 bit |
7.05 | 15.01.2025 | 9 M |
| Remote Server Linux |
Spectrum Remote Server Linux Installer Package |
15.01.2025 | 12 K | |
| Control Center |
Spectrum Control Center |
2.39 | 15.01.2025 | 33 M |
| SBench6 |
SBench 6 Linux 32 (.rpm) |
6.5.08 | 22.04.2024 | 26 M |
| SBench6 |
SBench 6 Linux 64 (.rpm) |
6.5.10 | 15.01.2025 | 16 M |
| SBench6 |
SBench 6 Linux 32 (.deb) |
6.5.08 | 22.04.2024 | 23 M |
| SBench6 |
SBench 6 Linux 64 (.deb) |
6.5.10 | 15.01.2025 | 16 M |
| SBench6 |
SBench6 Jetson (.deb) |
6.5.10 | 15.01.2025 | 16 M |
| MATLAB Driver |
Drivers + examples for MATLAB for Linux (DEB + RPM) |
15.01.2025 | 156 K | |
| Examples for Linux |
Linux Examples (C/C++, Python, Julia ...) |
7.05 | 15.01.2025 | 575 K |
Firmware
| Firmware Update (Windows) |
M2i/M2p/M3i/M4i/M4x/M5i firmware update (Windows) |
20.02.2025 | 31 M | |
| Firmware Update (Linux) |
M2i/M2p/M3i/M4i/M4x/M5i firmware update (Linux) |
20.02.2025 | 51 M |
Product Notes
| General Digitizer Introduction | General Introduction to Waveform Digitizers |
21.02.2022 | 587 K | |
| High-Res High BW Digitizers | Advantages of High Resolution in High Bandwidth Digitizers |
21.02.2022 | 2 M | |
| Digitizer Acquisition Modes | Using modular Digitizer Acquisition Modes |
21.02.2022 | 3 M | |
| Digitizer Front-End | Proper Use of Digitizer Front-End Signal Conditioning |
21.02.2022 | 3 M | |
| Trigger and Sync | Trigger, Clock and Synchronization Details at high-speed Digitizers |
21.02.2022 | 1 M | |
| Digitizer Software Integration | Software Support for Modular Digitizers |
21.02.2022 | 724 K | |
| SBench 6 Introduction | SBench 6 - Data Acquisition and Analysis of Digitizer Data |
21.02.2022 | 1 M |
Application Notes
| Ultrasonic Applications | Using Digitizers in Ultrasonic Applications |
21.02.2022 | 617 K | |
| Signal Processing Tools | Using Signal Processing Tools to enhance Digitizer Data |
21.02.2022 | 1 M | |
| Using Probes & Sensors | Using Probes and Sensors with Modular Digitizers |
21.02.2022 | 858 K | |
| Digitizers as Oscilloscope | Using a Digitizer as Oscilloscope |
21.02.2022 | 845 K | |
| Solving Data Transfer Bottlenecks on Digitizers | Solving Data Transfer Bottlenecks on Digitizers |
21.02.2022 | 2 M | |
| Teaming AWG with Digitizer | Teaming an Arbitrary Waveform Generator with a Modular Digitizer |
21.02.2022 | 919 K | |
| Common Digitizer Setup Problems | Application Note: Common Digitizer Setup Problems to avoid |
21.02.2022 | 1 M | |
| AN Amplitude Resolution | Application Note: The Amplitude Resolution of Digitizers and how it affects Measurements |
21.02.2022 | 555 K | |
| AN008 Install Legacy Win Drivers | Application Note: Legacy Windows Driver Installation |
21.02.2022 | 1 M |