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Programmable Digital QPSK/16-QAM Modulator
AD9853
FEATURES
GENERAL DESCRIPTION
Universal Low Cost Solution for HFC Network
The AD9853 integrates a high speed direct-digital synthesizer
Return-Channel TX Function: 5 MHz–42 MHz/
(DDS), a high performance, high speed digital-to-analog con-
5 MHz–65 MHz
verter (DAC), digital filters and other DSP functions onto a
165 MHz Internal Reference Clock Capability
single chip, to form a complete and flexible digital modulator
Includes Programmable Pulse-Shaping FIR Filters and
device.
AD9853 Datasheet
