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CX24113A

Conexant Systems
Part Number CX24113A
Manufacturer Conexant Systems
Description Digital Satellite Tuner RF IC
Published Dec 14, 2005
Detailed Description Set-top Box Solutions Satellite Digital Satellite Tuner RF IC CX24113A Highly Integrated, Worldwide Broadband Satellite...
Datasheet PDF File CX24113A PDF File

CX24113A
CX24113A

Overview
Set-top Box Solutions Satellite Digital Satellite Tuner RF IC CX24113A Highly Integrated, Worldwide Broadband Satellite Front-End Solution Conexant’s portfolio includes a comprehensive suite of semiconductor solutions for broadband communications, enterprise networks and the digital home.
The CX24113A is Conexant’s third generation direct down-conversion satellite tuner RF IC intended for operator-based digital satellite networks and free-to-air systems.
The CX24113A is a highly integrated satellite tuner solution that incorporates an advanced Fractional-N synthesizer, I2C serial interface, a fully integrated local oscillator, and variable baseband filters.
The device has an improved power supply rejection ratio (PSRR), requires a single +3.
3V supply, and features very low power consumption.
The CX24113A has a built-in auto-tuning machine that eliminates the need for software calibration and accelerates the calibration time.
The on-chip fractional synthesizer enables fine frequency step size without adversely affecting lock time.
The CX24113 does not require a balun, thus reducing external bill of materials (BOM) cost.
Its highly integrated design saves valuable board space and simplifies RF layout.
The company’s broad portfolio of semiconductor products also includes client-side xDSL and cable modem solutions, home network processors, broadcast video encoders and decoders, digital set-top box components and systems solutions, and dial-up modems.
In addition to its IEEE 802.
11a/b/g-compliant WLAN chipsets, software and reference designs, Conexant offers a suite of networking components that includes solutions for applications based on HomePlug® and HomePNA™.
Additional products include a complete line of asymmetric and symmetric DSL central office solutions, which are used by service providers worldwide to deliver broadband data, voice, and video over copper telephone lines.
Distinguishing Features w • Zero-IF architecture eliminates the need for image reject fi...


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