MT8872P ETC, MT8872P Datasheet

MT8872P

Manufacturer Part Number

MT8872P

Description

COFDM DEMODULATOR/FEC

Manufacturer

ETC

Datasheet

1.MT8872P.pdf (2 pages)

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APPLICATIONS

•

FEATURES

•

MT8872C

COFDM D

−

DVB-T TV receivers

DVB-T set-top boxes

Integrated 10-bit ADC

1st IF input supported

No VCXO required because of

digital resampling techniques

Quick synchronization after

channel switch (<70 ms)

6 MHz, 7 MHz, and 8 MHz

channel-compliant with only one

X-tal

8K and 2K modes

Digital AFC

Hierarchical modulation

supported

BER, S/N, packet error,

constellation diagram readout via

Very small package (80 pins

TQFP)

Tristatable serial or parallel

MPEG output

Serial MPEG2transport stream

output

Low power consumption

(750 mW)

Excellent performance (in

presence of echoes, co-channel,

AWGN

Real-time channel monitoring

options for professional

applications (SP8871P only)

FFT window

Constellation diagram

Pilot spectrum

EMODULATOR

AND

MT8872P

/FEC

The MT8872C is an ETS 300 477-

compliant integrated

demodulator and forward error

corrector (FEC) for DVB

terrestrial digital television

receivers and set-top boxes. It

accepts as data baseband or 1st

IF COFDM. The 1st IF sampling

option further decreases system

cost. The 10-bit ADC samples

the incoming signal. The internal

microprocessor locks to the

OFDM signal fully automatically.

The MT8872 can cope with very

severe channel distortions due to

its state-of-the-art channel

estimation unit. The error

correction unit corrects

remaining errors and outputs a

MT8872C

M I C R O T U N E™

COFDM Demodulator/FEC

ONSUMER AND

DVB common interface-

compliant MPEG-2 transport

stream.

MONITOR FUNCTIONS

Optionally, data transfer to and

from the internal blocks of the

MT8872P can be provided

directly from the pins (e.g., the

filtered time-domain signal, the

FFT output, interpolated pilots

and the equalized signal after the

channel estimation unit). This

enables real-time monitoring of

channel characteristics for use in

professional applications.

DVB-T TV R

-T

Product Brief

MT8872P

ROFESSIONAL

ECEIVER AND

PPLICATIONS

Related parts for MT8872P

MT8872P Summary of contents

Page 1

... MPEG-2 transport stream. MONITOR FUNCTIONS Optionally, data transfer to and from the internal blocks of the MT8872P can be provided directly from the pins (e.g., the filtered time-domain signal, the FFT output, interpolated pilots and the equalized signal after the channel estimation unit). This ...

Page 2

... MT8872C MT8872P COFDM D AND P B RODUCT RIEF SPECIFICATIONS AGC frequency MHz • • Digital timing recovery accuracy: <1 ppm Typical supply voltage: 2.5V • • Nominal power dissipation: 0.8W • Input signal: differential baseband or 1st IF COFDM • Output signal: MPEG2 transport stream www.DataSheet4U.com • ...

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