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16 bit multi-purpose digitizer
The M2i.46xx Express series allows recording of one, two, four or eight channels with sampling rates of 200 kS/s up to 3 MS/s. These cards offer outstanding A/D features both in resolution and speed for PCI/PCI-X and PCI Express. The powerful A/D amplifier section offers 8 different input ranges, programmable offset and a software switching from single-ended to differential inputs without decreasing the number of channels. The enhanced FIFO engine is capable of streaming even 8 channels at a sustained 3 MS/s to memory or hard disk.
Facts & Features:
- Up to 200 kS/s on 2 channels
- Simultaneously sampling on all channels
- Software selectable single-ended or differential inputs
- Separate ADC and amplifier per channel
- Programmable input offset of +/-5 V
- Up to 1 GSample on-board memory
- 256 MSample standard memory installed
- 8 input ranges: +/-50 mV up to +/-10 V
- Window, pulse width, re-arm, spike, OR/AND trigger
- Synchronization of up to 16 cards
- PCIe x1 Gen1 Interface
- Works with x1/x4/x8/x16* PCIe slots
- Software compatible to PCI
- Sustained streaming mode up to 160 MB/s
- High precision audio measurements
- Vibration analysis
- Life cycle tests of plastic components
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 modeThe 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.
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.
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.
Spike TriggerThe trigger event is a slope inside the signal that is larger (or even smaller) than a programmed slope. Internally the difference of two adjacent samples is calculated and then compared to the programmed trigger level. This trigger mode allows the detection of signal distortions as needed for power line monitoring.
TimestampThe 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.
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 PLLThe 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 ClockThe 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.
The on-board calibration can be run on user request and calibrates the amplifier against a dedicated internal high precision calibration source. After this calibration data is stored permanently in an on-board EEPROM and is automatically used for further acquisitions.
With a simple software command the inputs can individually be switched from single-ended (in relation to ground) to differential, without loosing any inputs. When the inputs are used in differential mode the A/D converter measures the difference between two lines with relation to system ground.
Programmable Input AmplifiersThe analog inputs can be adapted to real world signals using individual settings for each channel. A large number of different input ranges and a programmable input offset allow to adopt perfectly to the real world signals.
Programmable Input OffsetMost 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.4621-Exp||4||200 KS/s||100 KHz|
|M2i.4622-Exp||8||200 KS/s||100 KHz|
|M2i.4630-Exp||2||500 KS/s||250 KHz|
|M2i.4631-Exp||4||500 KS/s||250 KHz|
|M2i.4632-Exp||8||500 KS/s||250 KHz|
|M2i.4640-Exp||2||1 MS/s||500 KHz|
|M2i.4641-Exp||4||1 MS/s||500 KHz|
|M2i.4642-Exp||8||1 MS/s||500 KHz|
|M2i.4650-Exp||2||3 MS/s||1.50 MHz|
|M2i.4651-Exp||4||3 MS/s||1.50 MHz|
|M2i.4652-Exp||8||3 MS/s||1.50 MHz|
|On different platforms||Bus||Max. Bus Transfer speed|
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.
Docking Stations (Optional)All Spectrum products can be used in 3rd party docking stations, connected by either PCIe interface card or by Thunderbolt interface. Docking stations can extend a standard PC by up to 16 PCIe slots.
Streaming Systems (Optional)
Combining a number of Spectrum M2p/M2i/M3i/M4i/M5i PCIe digitizers with a Tera-Store Data Streaming solution allows the capture and storage of long complex signals for extended periods of time. With systems available offering from 1 to 32 TB of storage and streaming rates up to 3 GB/s signals can be digitized and stored seamlessly for hours on end.
|Legacy Windows Driver Installation||
Windows driver installation of driver versions < 4.0
Datasheet of the M2i.46xx family
Manual of M2i.46xx family
|PDN M2i.46xx Series||
Product Discontinuance Notification for M2i.46xx/M2i.46xx-exp Series
Datasheet of Spectrum Terastore Streaming System
|M2i ClkTrigDistr Datasheet||
M2i Clock / Trigger distribution card
|M2i StarHub Datasheet||
M2i StarHub module datasheet
Data sheet of Docking Station
|IVI Driver Manual||
Short Manual for IVI Driver
|SBench 6 data sheet||
Data sheet of SBench 6
Manual for MATLAB driver M2p/M4i/M4x/M5i/M2i/M3i/DN2/DN6
Manual for LabVIEW drivers for M2i/DN2
|SBench 6 Manual||
Manual for SBench 6
WINDOWS DRIVER + SOFTWARE
|Win32 Driver Win2k||
M2i / M3i driver - last Version for Windows 2000
MI/MC/MX/PCI.xxx Windows 7/8 32 Bit Drivers
MI/MC/MX/PCI.xxx Windows 7/8 64 Bit Drivers
|Win 98/2000 PCI.xxx||
PCI.xxx Windows 98/2000 Drivers
|Win NT/98/XP ISA||
ISA/PAD/DAP Windows NT/98/XP Drivers + mixed ISA/PCI cards
|Win 95 ISA/PCI||
ISA/PAD/DAP/PCI Windows 95 Drivers
|Win 95 ISA/PCI||
ISA/PAD/DAP/PCI Windows 95 Driver Installer
|Win 3.1 ISA/PCI||
ISA/PAD/DAP/PCI Windows 3.1 Driver
M2p/M4i/M4x/M5i/M2i/M3i/DN2/DN6 driver for Windows 7, 8, 10, 11 (32/64 bit)
|Win32 Driver WinXP/Vista||
M2i/M3i/M4i/M4x driver - last Version for Windows 32 XP / Vista
|Win64 Driver WinXP/Vista||
M2i/M3i/M4i/M4x driver - last Version for Windows 64 XP / Vista
C/C++ driver header and library files
|Control Center Win2k||
Spectrum Control Center - last Version for Windows 2000
SBench 5 Installer
|Control Center (32-bit)||
Spectrum Control Center (32-bit) / Windows 7, 8, 10
|Control Center (64-bit)||
Spectrum Control Center (64-bit) / Windows 7, 8, 10, 11
|Control Center WinXP||
Spectrum Control Center - last Version for Windows XP
SBench 6 (32-bit) Installer / Windows 7, 8, 10
SBench 6 (64-bit) Installer / Windows 7, 8, 10, 11
SBench6 - last Version for Windows XP
|Remote Server Windows||
Windows Installer for Remote Server Option
IVI Driver for IVI Digitizer class (32 bit)
IVI Driver for IVI Scope class (32 bit)
M2i/M2p/M3i/M4i/M4x/M5i/DN2/DN6 LabView driver installer
M2p/M4i/M4x/M5i/M2i/M3i/DN2/DN6 Matlab driver + examples installer
|Examples for Windows||
Windows Examples (C/C++, .NET, Delphi, Java, Python, Julia ...)
LINUX DRIVER + SOFTWARE
|Linux Driver Complete||
M2p/M4i/M4x/M5i/M2i/M3i drivers (Kernel + Library) for Linux 32 bit and 64 bit
|Linux Driver Library||
Driver libraries (no Kernel) for Linux 32 bit and 64 bit
ISA/PAD/DAP/PCI Linux Driver
|Remote Server Linux||
Spectrum Remote Server Linux Installer Package
Spectrum Control Center
SBench 6 Linux 32 (.rpm)
SBench 6 Linux 64 (.rpm)
SBench 6 Linux 32 (.deb)
SBench 6 Linux 64 (.deb)
SBench6 Jetson (.deb)
Drivers + examples for MATLAB for Linux (DEB + RPM)
|Examples for Linux||
Linux Examples (C/C++, Python, Julia ...)
|Firmware Update (Windows)||
M2i/M2p/M3i/M4i/M4x firmware update (Windows)
|Firmware Update (Linux)||
M2i/M2p/M3i/M4i/M4x firmware update (Linux)
|CS Automotive Data Recorder||
Case Automotive Data Study Recorder and Playback Solution
|General Digitizer Introduction||
General Introduction to Waveform Digitizers
|High-Res High BW Digitizers||
Advantages of High Resolution in High Bandwidth Digitizers
Proper Use of Digitizer Front-End Signal Conditioning
|Trigger and Sync||
Trigger, Clock and Synchronization Details at high-speed Digitizers
|Digitizer Software Integration||
Software Support for Modular Digitizers
|SBench 6 Introduction||
SBench 6 - Data Acquisition and Analysis of Digitizer Data
Using Digitizers in Ultrasonic Applications
|Signal Processing Tools||
Using Signal Processing Tools to enhance Digitizer Data
Mechanical Measurements Using Digitizers
Power Measurements Using Modular Digitizers
|Using Probes & Sensors||
Using Probes and Sensors with Modular Digitizers
|Solving Data Transfer Bottlenecks on Digitizers||
Solving Data Transfer Bottlenecks on Digitizers
|Teaming AWG with Digitizer||
Teaming an Arbitrary Waveform Generator with a Modular Digitizer
|Common Digitizer Setup Problems||
Application Note: Common Digitizer Setup Problems to avoid
|Mechanical Measurements D||
Mechanische Messungen mit modularen Digitizern
|AN Vehicular Testing with Modular Instruments||
Application Note: Vehicular Testing with Modular Instruments
|AN Testing Power Supplies||
Application Note: Testing Power Supplies using Modular Digitizers
|AN Amplitude Resolution||
Application Note: The Amplitude Resolution of Digitizers and how it affects Measurements
|AN008 Install Legacy Win Drivers||
Application Note: Legacy Windows Driver Installation