MT2121 Microtune,Inc, MT2121 Datasheet

MT2121

Manufacturer Part Number

MT2121

Description

Manufacturer

Microtune,Inc

Datasheet

1.MT2121.pdf (2 pages)

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MT2121 SINGLE-CHIP

BROADBAND TUNER

PRODUCT BRIEF

The MT2121 has been optimized for

high-performance analog and digital

cable set-top boxes, supporting the 48

MHz to 1 GHz range of the cable

spectrum.

MT2121 Single-Chip

Broadband Tuner

fully integrated single-chip tuner,

with functional blocks specifically

designed to ease implementation of

an OpenCable™ - compliant set-top

box (STB). The MT2121 contains

integrated filter components and

controls that allow for a simple,

alignment-free pre-select filter. This

provides excellent end-to-end

linearity performance for severely

sloped input conditions. The tuner

also has an on-chip amplifier for

Forward Data Channel (FDC)

applications, reducing bill of

materials (BOM) and improving

performance-versus-solutions

based on a directional coupler.

RF SILICON AND SUBSYSTEMS SOLUTIONS

FOR BROADBAND COMMUNICATIONS AND AUTOMOTIVE ELECTRONICS

The MicroTuner™ MT2121 is a

APPLICATIONS

All cable-based applications

•

FEATURES

•

Advanced analog/digital set-top

boxes including OpenCable

Residential gateways

Home entertainment servers

Dual-conversion architecture for

consistent performance with no

manual alignments

Proven performance in dual-

function analog and digital set-

top box designs

Eliminates the need for the 28V

to 33V supplies typically

required by traditional cable

tuners

3.3V and 5V serial bus

compatible

Minimal external components;

simple interface to external

filters

Software shutdown mode

Small 8mm x 8mm 56-lead QFN

Quad Flat package available in

lead-free

Can be used in conjunction with

Microtune’s upstream amplifiers

to create a complete RF front

end for bi-directional set-top box

applications

Related parts for MT2121

MT2121 Summary of contents

Page 1

... MT2121 SINGLE-CHIP BROADBAND TUNER PRODUCT BRIEF The MT2121 has been optimized for high-performance analog and digital cable set-top boxes, supporting the 48 MHz to 1 GHz range of the cable spectrum. MT2121 Single-Chip Broadband Tuner RF SILICON AND SUBSYSTEMS SOLUTIONS FOR BROADBAND COMMUNICATIONS AND AUTOMOTIVE ELECTRONICS The MicroTuner™ ...

Page 2

... MT2121 SINGL E-C HIP BRO ADB AND PRODUCT BRIEF RECOMMENDED OPERATING CONDITIONS ARAMETER IN YP Input frequency range 48 First intermediate center 1220 frequency Second intermediate center 30 frequency (programmable) Supply voltage, 5V 4.75 Supply voltage, 3.3V 3.15 Supply voltage ripple DNC differential load impedance 800 Serial control clock ...

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