XRM2-DAC-D3/275 - IF/Baseband data signal generation


  • IF/Baseband data signal generation

Board Features

  • Alpha Data XRM2 I/O Module
  • Dual 14-bit 275Msps DACs
  • External Clock Input


The XRM2-DAC-D3/275 is an XRM2 I/O Module which provides two 14-bit Digital-to-Analog convertors sampling at up to 275Msps.

Aimed at IF/Baseband signal generation, provision is made for use of either an external or internally generated clock source. External trigger and auxiliary I/O ports are also provided.

Board Format

Alpha Data XRM2 I/O Module

Environmental Specifications

Temperature Limits:

CodeCooling OptionOperating Temp.Storage Temp.
AC0Air Cooled Commercial0°C+55°C-40°C+85°C

Operating Humidity range:

Up to 95% (non-condensing)

EMC Conformity:

FCC 47CFR Part 2
EN55022:2010 Equipment ClassB

For more information on the operating conditions for the different cooling options go to: Alpha Data Environmental Specification Page.

Or read: Alpha Data Environment Specification (PDF).

I/O Interfaces

Interface TypeQtyDescription
ANALOG I/O (Front Panel)
DAC2Dual 14-bit DACs up to 275Msps
Resolution: 14-bit
Max Clock Rate: 275MHz
Impedance: 50Ω
Levels: ±0.5V (+4 dBm) = DAC full scale into 50R load (DC coupled). ±0.4V (+2 dBm) = DAC full scale into 50R load (AC coupled)
Connector: SMA
Offset: -1V to +1V dc, 16-bit resolution for each channel
DISCRETE I/O (Front Panel)
External clock input1External Clock Input
Impedance: 50Ω AC
Levels: +12dBm nominal (2.5V pk to pk)
Connector: SMA
External Trigger I/O1Trigger I/O port
Impedance: 4k7Ω (DC coupled)
Levels: +3V3 LVTTL
Connector: SMA
Auxiliary I/O1Auxiliary I/O port
Impedance: 4k7Ω (DC coupled)
Levels: +3V3 LVTTL
Connector: SMA


Example UCF, HDL files and Application software are provided with the board.

Ordering Code
ParametercodeParameter Description
Output Couplingcoupling

blank = DC Coupled (standard),
/AC = AC Coupled

I/O Voltage Optionio

blank = LVTTL I/O levels,
/5V = TTL I/O Levels

Contact sales for other ordering options

Sample Product Code:



  • XRM2-DAC-D3-275 Board
  • One Year Warranty
  • One Year Technical Support

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