CX24128 Datasheet (Conexant Systems) - Digital Satellite Dual Tuner RF IC

CX24128, Digital Satellite Dual Tuner RF IC

Digital Satellite Dual Tuner RF IC .D Q Channel Output A RF INPUT B at aS VCO Reference to Demod Variable Low AGC Amplifier Pass Filter VCA 90 I Channel Output B 0 Reference Oscillator he Q Channel Output B PLL Dividers, Phase Detector and Charge Pump Programming and Control CX24128 Block

Set-top Box Solutions Satellite Digital Satellite Dual Tuner RF IC CX24128 Industry’s First Dual Tuner for DVR Applications Conexant’s portfolio includes a comprehensive suite of semiconductor solutions for broadband communications, enterprise networks and the digital home.

The CX24128 is Conexant’s innovative dual stream direct down-conversion satellite tuner RF IC intended for high-volume digital video, audio, and data receivers.

The CX24128 offers excellent phase noise performance and very l

CX24128 Features

* w PLL Dividers, Phase Detector and Charge Pump Variable Low AGC Pass Filter Amplifier

* State of the art isolation between two channels I Channel Output A w VCO VCA RF INPUT A w 90 0

* Zero-IF architecture eliminates the need for image reject filtering

* Very low ph