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Support » Monitoring, Control & Communications » Test & Measurement » Test and measurement equipment and software »

  • Supports all constellations and modulation modes for each supported standard in VHF, UHF and L-band.

  • Excellent signal quality through direct digital synthesis of the RF output signal and an on-board ultra-low phase-noise oscillator.

  • Flexible architecture lends itself for advanced modulation schemes, e.g. ATSC 3.0, DVB-S2X, multi-segment ISDB-Tmm, and even 64-MHz DVB-C2 channel bonding.

  • High-end general-purpose test modulator in your R&D lab for developing and qualifying DTV equipment, or for experimentation with new RF modulation schemes.

  • Automatic test equipment (ATE) for tuners, demodulator chips, receivers, TV sets etc.

  • Play-back of arbitrary I/Q sample files that are recorded or pre-computed (e.g. with MATLAB), with a bandwidth up to 72-MHz.

The standard firmware of the DTA-2115B implements a universal modulator with 72-MHz bandwidth, agile over VHF, UHF and L-band. A block diagram of this firmware is shown below. Special features include GPS synchronization to 1-pps and 10-MHz inputs, and phase noise emulation.