mt2082 Microtune,Inc, mt2082 Datasheet

mt2082

Manufacturer Part Number

mt2082

Description

World-standard Digital Cable Tuner

Manufacturer

Microtune,Inc

Datasheet

1.MT2082.pdf (2 pages)

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Company:

Meier Automation Equipment Co., Limited

Part Number:

mt2082F

Manufacturer:

ZORA

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20 000

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 Press Release

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Guide

MT2082

World-Standard Digital Cable Tuner

The MicroTuner™ MT2082 is an advanced single-chip broadband tuner

with integrated splitter and loop-through.

Product Overview

The MicroTuner MT2082 is a single-chip digital cable tuner with integrated RF splitter and loop-

through. The MT2082 has been optimized for high-performance multiple tuner set-top boxes which

require low composite distortion and noise under challenging digital cable environments. Its high level

of on-chip integration enables the design of a triple tuner set-top box (STB) at a very low cost.

The integrated circuit delivers best-in-class performance for all world-wide standards of digital cable

broadcast. The integrated low noise amplifier (LNA) with automatic gain control (AGC) delivers

excellent sensitivity. The ClearTune on-chip filtering provides optimal performance in tilted and heavily

loaded cable environments.

MT2082 Key Features and Performance

Applications

MT2082 Key Features



Multiple tuner digital cable STBs

Digital cable STBs with RF loop-through

Digital cable gateways

Digital cable DVR/PVRs

3-way integrated splitter with two outputs to MT2084 tuners to support triple tuner digital cable

STBs

44 MHz to 1002 MHz frequency tuning range

Integrated RF loop-through amplifier

Simultaneous loop-through output and splitter output

On chip filtering for standard and low IF output between 1 and 60 MHz providing simple

interfacing to QAM demodulators – no external SAWs or filtering required

Single-ended RF input – no external input balun required

Integrated RF ClearTune® filtering for optimal performance in tilted cable conditions

Option to allow loop-through amplifier to operate separately when the tuner is in shut down or

standby mode

Compatible with ITU-T J.83 Annex A/B/C QAM performance requirements

Supports NorDig Unifed and SARFT GD/J12-2007, RNG/DSG, SCTE-40, DOCSIS and

EuroDOCSIS digital cable performance requirements

Excellent multi-tone performance

Outstanding large signal handling capabilities

Integrated power detectors for autonomous RF AGC – no input from demodulator required

System Reference Oscillator (SRO) output for driving a demodulator or a MT2084 tuner in a

multiple tuner system

General-purpose input/output (GPIO) controllable via serial-control interface

2.5 V (analog) and 1.2V (digital) power supply operation

Operates with a low cost 25 MHz crystal

Small 6 mm x 6 mm 40 pin Quad Flat No-Lead (QFN) package

Product Brief

Related parts for mt2082

mt2082 Summary of contents

Page 1

... The MicroTuner™ MT2082 is an advanced single-chip broadband tuner with integrated splitter and loop-through. Product Overview Related Product The MicroTuner MT2082 is a single-chip digital cable tuner with integrated RF splitter and loop- Information: through. The MT2082 has been optimized for high-performance multiple tuner set-top boxes which  Press Release require low composite distortion and noise under challenging digital cable environments ...

Page 2

... 1kΩ||5pF, Pin = -30 dBmV Over IF output frequency, calibrated  PB-00183 – MT2084 Product Brief  PB-00185 – MT2081 Product Brief  DS-00117– MT2082 Data Sheet  DS-00124– MT2084 Data Sheet Typ Max Unit 2.5 2.625 V 1.2 1.26 V 1002 MHz ...

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