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TI DDS39RF10ACK 16-Bit 2-Channel 12GHz RF Direct Digital Synthesizer

Product Description of DDS39RF10ACK

DDS39RF10ACK is dual channel direct digital synthesizers with 16-bit resolution digital-to-analog converters (DAC). The high sampling rate, output frequency range, 64-bit NCO frequency resolution and any frequency hopping with phase coherence makes the device capable of arbitrary waveform generation (AWG) and direct digital synthesis (DDS).

The devices can also be used as interpolating DACs for narrowband direct RF sampling or complex baseband signal generation. The maximum input data rate is 775MSPS for a single channel or 388MSPS for two channels. The devices can generate signals of up to 620MHz signal bandwidth (16-bit input resolution) at carrier frequencies exceeding 10GHz enabling direct sampling through C-band and into X-band.

Feature of DDS39RF10ACK

16-bit, 10.24 to 20.48GSPS, multi-Nyquist DAC Cores

Maximum input data rate:

16-bit, single channel complex I/Q: 775MSPS

16-bit, dual channel complex I/Q: 388MSPS

Output bandwidth (-3dB): 12GHz

Performance at fOUT = 2.997GHz, DES2XL mode, DEM/Dither off

Noise floor (small signal): -153dBFS/Hz

SFDR (-0.1dBFS) : 76dBc

IMD3 (-7dBFS each tone) : -71dBc

Additive phase noise, 10kHz offset: -138dBc/Hz

Four Integrated digital up-converters (DUC)

Interpolation: 4x, 6x, 8x, 12x ... 256x

Complex baseband DUC for I/Q output

Complex to real up conversion for dual channel direct RF sampling

64-bit frequency resolution NCOs

Fast reconfiguration interface for fast frequency hopping

4-bit data with 200MHz clock

60ns reconfiguration (32-bit frequency)

Any frequency hopping with phase coherence

JESD204C Interface

Up to 2 Lanes at up to 12.8Gbps

Class C-S, subclass-1 Compatible

Internal AC coupling capacitors

SYSREF Windowing for automatic SYSREF timing calibration

Applications of DDS39RF10ACK

Satellite communications (SATCOM)

Phased array antenna systems

Synthetic aperture radar (SAR) exciter

Wireless communications testers

Arbitrary waveform generator (AWG)

Agile, low phase noise LO generation