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BCM3520 Datasheet(PDF) 1 Page - Broadcom Corporation.

Part No. BCM3520
Description  ATSC/NTSC/QAM DIGITAL CABLE READY DTV RECEIVER
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Maker  BOARDCOM [Broadcom Corporation.]
Homepage  http://www.broadcom.com
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BCM3520 Datasheet(HTML) 1 Page - Broadcom Corporation.

   
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BCM3520
®
ATSC/NTSC/QAM DIGITAL CABLE READY DTV RECEIVER
Plug and Play DTV System Solution
Integrated VSB/QAM QAMLink
® receiver
- 12-bit A/D converter with internal AGC amplifier
- Full equalizer architecture spans up to –35 to 49 µs delays
- Direct IF sampled architecture reduces system cost
- Single IF signal path for QAM/VSB/NTSC to reduce system
costs
- ITU-T J.83 Annex A/B/C FEC modes
- MPEG-2 transport output (serial/parallel)
- All-digital clock and carrier recovery
- Integrated PLLs to minimize external components
- All acquisition times typically less than 50 ms
QPSK out-of-band receiver
- 100–200-MHz receiver LO with input AGC and 6-bit A/D
- Variable symbol rate QPSK receiver
- Digital demodulator, Nyquist filters, tracking loops, and
four-tap adaptive equalizer
-
DVS-167 (Davic
™)/DVS-178 (DigiCipherII™) FEC decoder
NTSC/PAL IF Demodulator
- Adjacent channel rejection filters
- Programmable digital audio trap filter
- Programmable group delay compensation filter
- Analog Composite Video Baseband Signal (CVBS) output
- FM demod output supports internal BTSC stereo decoder,
external BTSC stereo decoder (baseband or IF input), or
external Zweiton M decoder
Integrated acquisition controller
EIA/CEA-909 antenna interface
144-pin LQFP package
Complete DTV single chip receiver solution
FCC VSB and Digital Cable Ready
Superior performance under both static and dynamic multi-
path channel conditions
Integrated NTSC demodulator
BTSC decoder on chip
Direct interface to CMOS and discrete DTV tuners
Reduces system costs through direct IF sampling
Single IF path for QAM/VSB/NTSC simplifies board design
Smart antenna support
Automatic NTSC co-channel interference and RFI rejection
filters
Integrated de-interleaver RAM for VSB FEC, and QAM for
modes up to J=4 reduces system costs
Analog stereo, mono, or SAP outputs
I
2S or baseband multiplexed audio output
On-chip stereo audio DACs
BSC master to control peripherals
FE A T URE S
SU MMA RY OF BEN E FI TS
MPEG Transport Serial/Parallel
Out-of-band Transport
EIA/CEA-909
Smart Antenna Interface
BCM3520
VSB/QAM
OOB/CableCard™
BCM3418
Tuner
BCM3431
LNA
Out-of-Band
Cable
ATSC
Composite Video
Audio: I2S, L/R, Multiplex Baseband, IF Audio


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