STI5267 데이터 시트보기 (PDF) - STMicroelectronics

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STI5267

Advanced SD STB decoder with integrated DVB-T/DVB-C demodulator

STMicroelectronics 

STi5267

Introduction

1.1

1.1.1

STi5267 features summary

The STi5267 has the following main features:

COFDM demodulation

● General features:

– Compatible with low to high IF tuners

– Wide-range carrier tracking loop for large offsets recovery

– Dual ADC for IQ baseband interface

– ADC for RF signal strength indicator

– Dual SD digital split AGC for RF and IF/BB gain control

– Flexible clock management uses external reference from 4 to 30 MHz

● Channel impairments management:

– Nordig Unified (v2.0) compliant

– DTG 5.0 and Digitenne compliant

– Outstanding performance in various channel configurations: dynamic fading,

urban environment

– Built-in channel reception quality indicators

– Out-of-guard interval echoes compatible

– Impulsive noise rejection capable

– Outstanding adjacent and co-channel rejection capability with integrated and

flexible digital channel filtering

– High-performance digital carrier, timing and symbol recovery loops

● Decoding capabilities:

– ETSI EN-300744 v1.5.1 compatible

– 2-K and 8-K FFT length

– 6, 7 and 8 MHz channel bandwidths

– 1/4, 1/8, 1/16, 1/32 guard-interval length

– QPSK - 16QAM - 64QAM modulations

– Hierarchical modulation capability

– TPS decoding

– Puncture rates are 1/2, 2/3, 3/4, 5/6, 7/8

– Outer Reed-Solomon decoder as per DVB-T standard

– Energy dispersal descrambler

Doc ID 16950 Rev 1

3/9

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