STi5267

Introduction

Doc ID 16950 Rev 1

3/9

1.1

STi5267 features summary

The STi5267 has the following main features:

1.1.1

COFDM demodulation

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General features:

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Compatible with low to high IF tuners

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Wide-range carrier tracking loop for large offsets recovery

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Dual ADC for IQ baseband interface

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ADC for RF signal strength indicator

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

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Flexible clock management uses external reference from 4 to 30 MHz

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Channel impairments management:

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Nordig Unified (v2.0) compliant

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DTG 5.0 and Digitenne compliant

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Outstanding performance in various channel configurations: dynamic fading,

urban environment

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Built-in channel reception quality indicators

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Out-of-guard interval echoes compatible

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Impulsive noise rejection capable

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Outstanding adjacent and co-channel rejection capability with integrated and

flexible digital channel filtering

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High-performance digital carrier, timing and symbol recovery loops

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Decoding capabilities:

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ETSI EN-300744 v1.5.1 compatible

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2-K and 8-K FFT length

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6, 7 and 8 MHz channel bandwidths

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

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QPSK - 16QAM - 64QAM modulations

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Hierarchical modulation capability

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TPS decoding

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

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Outer Reed-Solomon decoder as per DVB-T standard

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Energy dispersal descrambler