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Comparison of M4i.44xx and M5i.33xx with M3i.32xx, M3i.41xx and M3i.48xx series

The article compares the older high-speed, high-resolution M3i series 32xx, 41xx and 48xx with the newer M4i.44xx series and the latest M5i.33xx series and show all the technical differences. The table compares all Spectrum products between 100 MS/s and 500 MS/s sampling rate with a resolution of ≥12 bit.

Please note that all mentioned series are based on the SPCM driver and therefore software compatible. Changing from one of the mentioned series to another will only need a very few adaptions to your software to handle the different resolution, sampling rate or input settings.

SpecificationM5i.33xxM4i.44xxM3i.41xxM3i.32xxM3i.48xx

Low Speed

         
Sampling rate   130 MS/s 100 MS/s - 105 MS/s
Resolution   16 bit 14 bit - 16 bit
Channels   2 or 4 1 or 2 . 1 or 2

Mid Speed

         
Sampling rate   250 MS/s 250 MS/s 250 MS/s 180 MS/s
Resolution   16 bit 14 bit 12 bit 16 bit
Channels   2 or 4 1 or 2 1 or 2 1 or 2

High Speed

         
Sampling rate 3.2 GS/s 500 MS/s 400 MS/s 500 MS/s -
Resolution 12 Bit 14 bit 14 bit 12 bit -
Channels 1 or 2 2 or 4 1 or 2 (half speed) 1 or 2 (half speed) -

Input Section

         
Input ranges 200mV to 2.5V 200mV to 10V 200mV to 10V 200mV to 10V 200mV to 10V
Input Termination 50Ω 50Ω and 1MΩ 50Ω and 1MΩ 50Ω and 1MΩ 50Ω and 1MΩ
Input Coupling DC AC/DC AC/DC AC/DC AC/DC
Auto Calibration Yes Yes Yes Yes Yes

Acquisition Modes

         
FIFO Streaming Yes (fast) Yes (fast) Yes Yes Yes
Multiple Recording Yes Yes Yes Yes Yes
Gated Sampling - Yes - - -
ABA Mode - Yes Yes Yes Yes
Timestamps Yes Yes Yes Yes Yes

Mechanical

         
Dimension (PCIe) two slots
¾ length full length full length full length
Connectors SMA SMA + MMCX SMB + MMCX SMB + MMCX SMB + MMCX

Memory and Bus

         
Standard memory 2 GSamples 2 GSamples 256 MSamples 256 MSamples 256 MSamples
Memory options 8 GSamples - 1 GSample 1 GSample 1 GSample
PCIe bus interface PCIe x16 Gen3 PCIe x8 Gen2 PCIe x1 Gen1 PCIe x1 Gen1 PCIe x1 Gen1
PCIe data transfer speed 12800 MB/s 3400 MB/s 160 MB/s 160 MB/s 160 MB/s
PCIe series link M5i.33xx-x16 M4i.44xx-x8 M3i.41xx-exp M3i.32xx-exp M3i.48xx-exp
PCI bus interface - - PCI/PCI-X 32 bit 66 MHz PCI/PCI-X 32 bit 66 MHz PCI/PCI-X 32 bit 66 MHz
PCI data transfer speed - - 200 MB/s 200 MB/s 200 MB/s
PCI series link - - M3i.41xx M3i.32xx M3i.48xx
PXIe bus interface - PXIe x4 Gen2 - - -
PXIe data transfer speed - 1700 MB/s - - -
PXIe series link - M4x.44xx-x4 - - -
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Phone +49 (0)4102 6956-0
Fax +49 (0)4102 6956-66
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Phone +1 (201) 562-1999
Fax +1 (201) 820-2691
E-Mail sales@spectrum-instrumentation.com
Contact Asia
Phone +61 402 130 414
E-Mail greg.tate@spectrum-instrumentation.com
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