Datasheet > MT2068

MT2068

更新时间： 2024-09-17 04:14:23

品牌	Logo	应用领域
MICROTUNE		/
页数	文件大小	规格书
2页	107K
描述
SINGLE-CHIP BROADBAND TUNER

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中文翻译

获取价格

数据手册

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MT2068 数据手册

RF SILICON AND SUBSYSTEMS SOLUTIONS

FOR BROADBAND COMMUNICATIONS AND AUTOMOTIVE ELECTRONICS

The MicroTuner™ MT2068 is an

APPLICATIONS

advanced, low-power single-chip

broadband tuner that has been

optimized for high-performance

cable modems, DVB-C & DSG

STB’s and embedded DOCSIS

adapters (eDOCSIS) that require low

composite distortion and noise under

digital cable environments.

MT2068 SINGLE-CHIP

BROADBAND TUNER

•

VoIP Telephony Modems

Cable Modems

PRODUCT BRIEF

Multi-tuner All-Digital Set-top

Boxes (MPEG or IP Video)

Digital Set-top Boxes without loop-

through

The MT2068 is a low-power 3.3 V

single-chip broadband tuner with an

integrated IF variable-gain amplifier.

•

The MT2068 is capable of

FEATURES

receiving frequencies in the 48 MHz

to 1.0 GHz range and of converting a

selected channel to a standard

intermediate frequency (IF) between

30 MHz and 60 MHz.

•

48 MHz to 1.0 GHz input

frequency range

•

3.3 V power supply

Works seamlessly with digital

demodulators

The MT2068’s low phase noise

makes it ideal for use in digital

applications such as video, voice

and high-speed data. Its dual-

conversion architecture, with no

requirement for tracking filters, yields

the desirable characteristics of

traditional cable television tuners:

controlled input impedance across

the entire input band, low in-band

emissions, and outstanding image

rejection.

•

Low-power sub-1 Watt dual-

conversion architecture

Integrated first IF filter

Single-ended RF input reduces

BOM by eliminating input balun

Minimal external components

No manually tunable parts

required

MT2068 Single-Chip Broadband Tuner

•

Integrated IF variable gain

amplifier for direct connection to

digital demodulators

In addition, the MT2068 provides

excellent in-band flatness as well as

very repeatable gain characteristics

across the complete reception band.

With minor bill of material (BOM)

changes, the MT2068 is capable of

supporting multiple output standards.

The MT2068’s low power

Fully compatible with DAVIC,

DVB-C, DOCSIS 1.0, 1.1, and 2.0,

EuroDOCSIS, and other

standards

consumption significantly conserves

current and can be effectively used

in battery backed-up EMTA’s,

multi-tuner DVB-C (MPEG) and

DOCSIS (IP Video) STB

applications.

中文翻译

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