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AD9739A - Native FMC Card / Xilinx Reference Designs

The AD9739A is a 14-bit, 2.5 GSPS high performance RF DAC capable of synthesizing wideband signals with up to 1.25GHz of bandwidth.

This reference design includes a single tone sine generator (DDS) and allows programming the device and monitoring its internal status registers. It also programs the ADF4350 clock chip which can generate a 1.6GHz to 2.5GHz clock for the AD9739A from the on-board 25MHz crystal. An alternate clock path using an ADCLK914 is available for driving the clock externally.


  • Direct RF Synthesis @ 2.5 GSPS Update Rate: DC to 1.25 GHz in Baseband Mode, 1.25 to 3.0 GHz in Mix Mode
  • Industry Leading Single/Multicarrier IF or RF Synthesis
  • Dual-port LVDS data interface: Up to 1.25 GSPS Operation, Source Synchronous DDR clocking
  • Programmable Output Current: 8.7 mA to 31.7 mA
  • Low power: 1.1 W @ 2.5 GSPS