AD9879 Datasheet (Analog Devices)

AD9879, Cable Modem

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

AD9879 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 frequ