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AD9879

Analog Devices
Part Number AD9879
Manufacturer Analog Devices
Description Cable Modem
Published Jan 4, 2017
Detailed Description FEATURES Low cost 3.3 V MxFE™ for DOCSIS-, EURO-DOCSIS-, DVB-, DAVIC-compliant set-top box and cable modem applications ...
Datasheet PDF File AD9879 PDF File

AD9879
AD9879


Overview
FEATURES Low cost 3.
3 V MxFE™ for DOCSIS-, EURO-DOCSIS-, DVB-, DAVIC-compliant set-top box and cable modem applications 232 MHz quadrature digital upconverter 12-bit direct IF DAC (TxDAC+™) Up to 65 MHz carrier frequency DDS Programmable sampling clock rates 16× upsampling interpolation LPF Single-tone frequency synthesis Analog Tx output level adjust Direct cable amp interface 12-bit, 33 MSPS direct IF ADC with optional video clamping input 10-bit, 33 MSPS direct IF ADC Dual 7-bit, 16.
5 MSPS sampling I/Q ADC 12-bit Σ-∆ auxiliary DAC APPLICATIONS Cable modem and satellite systems Set-top boxes Power line modem PC multimedia Digital communications Data and video modems QAM, OFDM, FSK modulation GENERAL DESCRIPTION The AD9879 is a single-supply set-top box and cable modem mixed-signal front end.
The device contains a transmit path interpolation filter, complete quadrature digital upconverter, and transmit DAC.
The receive path contains a 12-bit ADC, a 10-bit ADC, and dual 7-bit A...


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