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SI2173-A Folha de dados(PDF) 1 Page - List of Unclassifed Manufacturers |
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1 / 2 page Worldwide Hybrid TV Tuner Copyright © 2011 by Silicon Laboratories 8.19.11 Si2173 Worldwide Hybrid TV Tuner with Analog Demodulator Description The Si2173 integrates a complete hybrid tuner with analog TV demodulator supporting all worldwide terrestrial and cable TV standards. Leveraging Silicon Labs’ proven digital low-IF architecture, the Si2173 extends the unmatched performance and design simplicity of the original Si2170/1/2 while further reducing footprint size. No external LNAs, tracking filters, or SAW filters are used. Compared with competing silicon tuners and discrete MOPLL-based tuners, the Si2173 delivers superior picture quality and a higher number of received stations in crowded and near/far real-world reception conditions. This unprecedented level of performance in the field is enabled by a novel front-end architecture which uniquely combines very high linearity and low noise, delivering superior blocking performance and higher sensitivity in the presence of strong undesired channels and interference. The Si2173 integrates the complete signal path from antenna input to IF or analog video and sound outputs. Compared to traditional discrete MOPLL-based tuners, the Si2173 eliminates hundreds of external components including external LNAs, tracking filter varactors and inductors (unlike competing silicon tuners), and SAW filters, resulting in the simplest, lowest-cost BOM for a hybrid TV tuner while improving performance. I nterfacing the Si2173 seamlessly with the Si2165 DVB-T/C demodulator creates a complete terrestrial and cable hybrid PAL/SECAM and DVB-T/C receiver. Features - Worldwide hybrid TV tuner - Analog TV: NTSC, PAL/SECAM - Digital TV: ATSC/QAM, DVB-T/T2/C, ISDB-T/C, DTMB - 42–1002 MHz frequency range - Compliance to A/74, NorDig, D-Book, C-Book, ARIB, EN55020, OpenCable™ specifications - Best-in-class real-world reception - Exceeds discrete MOPLL-based tuners - Highly integrated, lowest BOM - No SAW filters required - Integrated LNAs and complete tracking filters - No alignment, tuning or calibration required - Digital low-IF architecture - Integrated channel select filters - Analog TV demodulator - Superior video SNR performance - Customizable video filters - Overmodulation and ICPM tolerant - Flexible output interface - CVBS + SIF/AF to audio/video processor or SoC - DLIF to digital TV demodulator or SoC - 3.3 and 1.8 V power supplies - Standard CMOS process technology - 6 x 6 mm, 40-pin QFN package - RoHS compliant Applications - Hybrid ½-NIM, ¾-NIM and full-NIM - iDTV (Integrated Digital TV) - Digital terrestrial and cable STB - Hybrid PVR and DVD recorder DSP FILTER ATV DEMOD I ADC Q ADC 0 / 90 LOW-IF FREQ SYNTH RF AGC LDO IF AGC XOSC PGA PGA CVBS SIF/AF AGC Si2173 DSP FILTER ATV DEMOD RF_IN RF_IP ANTENNA INPUT Balun DTV DEMOD AV SoC 3.3 V 1.8 V RSTB ADDR SCL SDA INTB DLIF |
Nº de peça semelhante - SI2173-A |
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Descrição semelhante - SI2173-A |
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