鈥?/div>
Integrated VSB/QAM QAMLink廬 receiver
12-bit A/D converter with internal AGC amplifier
Full equalizer architecture spans up to 鈥?5 to 49 碌s delays
Direct IF sampled architecture reduces system cost
Single IF signal path for QAM/VSB/NTSC to reduce system
costs
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ITU-T J.83 Annex A/B/C FEC modes
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MPEG-2 transport output (serial/parallel)
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All-digital clock and carrier recovery
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Integrated PLLs to minimize external components
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All acquisition times typically less than 50 ms
鈥?/div>
QPSK out-of-band receiver
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100鈥?00 MHz receiver LO with input AGC and 6-bit A/D
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Variable symbol rate QPSK receiver
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Digital demodulator, Nyquist filters, tracking loops, and
four-tap adaptive equalizer
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DVS-167 (Davic餂?/DVS-178 (DigiCipherII餂? FEC decoder
鈥?/div>
NTSC/PAL IF Demodulator
-
Adjacent channel rejection filters
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Programmable digital audio trap filter
-
Programmable group delay compensation filter
-
Analog Composite Video Baseband Signal (CVBS) output
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FM demod output supports internal BTSC stereo decoder,
external BTSC stereo decoder (baseband or IF input), or
external Zweiton M decoder
鈥?/div>
Integrated acquisition controller
-
-
-
-
SUMMARY OF BENEFITS
鈥?/div>
Complete DTV single chip receiver solution
鈥?/div>
FCC VSB and Plug and Play functionality
鈥?/div>
Superior performance under both static and dynamic multi-
path channel conditions
鈥?/div>
Integrated NTSC demodulator
鈥?/div>
BTSC decoder on chip
鈥?/div>
Direct interface to CMOS and discrete DTV tuners
鈥?/div>
Reduces system costs through direct IF sampling
鈥?/div>
Single IF path for QAM/VSB/NTSC simplifies board design
鈥?/div>
Smart antenna support
鈥?/div>
Automatic NTSC co-channel interference and RFI rejection
filters
鈥?/div>
Integrated de-interleaver RAM for VSB FEC, and QAM for
modes up to J=4 reduces system costs
鈥?/div>
Analog stereo, mono, or SAP outputs
鈥?/div>
I2S or baseband multiplexed audio output
鈥?/div>
On-chip stereo audio DACs
鈥?/div>
BSC master to control peripherals
鈥?/div>
EIA/CEA-909 antenna interface
鈥?/div>
144-pin LQFP package
Plug and Play DTV System Solution
BCM3419
LNA
Tuner
MPEG Transport Serial/Parallel
BCM3520
VSB/QAM
OOB/POD
OOB
Tuner
EIA/CEA-909
Smart Antenna Interface
Composite Video
Audio: I2S, L/R, multiplex baseband, IF audio
Out-of-band Transport
BCM3520相關(guān)型號(hào)PDF文件下載
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