systems in a single package.
鈥?/div>
High-performance turbo code FEC enables 50%
throughput increase over existing satellite channels within
current link budgets within a single transponder.
Advanced modulation turbo FEC decoder
鈥?High performance decoder approaches constrained capacity
theoretical limits
鈥?Supports QPSK rates 1/4, 1/2 and 3/4
鈥?8PSK flexible code rate support including 2/3, 3/4, 5/6 and 8/9
鈥?Supports 16QAM rate 3/4
鈥?No external RAM support required
鈥?Reed-Solomon decoder; t=10
design
鈥?/div>
AdvancedFEC. architecture requires no external RAM
for turbo
maintains
鈥?/div>
Advanced modulation receiveroperation. robust
performance during low SNR
256-kilobaud to
鈥?/div>
Full variable rate operation fromoperating points for
30-megabaud provides multiple
optimal system deployment.
microcontroller controls
鈥?/div>
Integratedconfiguration, acquisitionreceiver operations
including
and performance
monitoring.
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Complies with DVB/DIRECTV
廬
/Digicipher II
TM
FEC
decoder
MPEG-2 or DIRECTV
廬
output interface with output clock
PLL
On-chip microcontroller for acquisition and tracking
On-chip BERT for BER testing
Integrated DiSEqC
TM
(v2.0) transmitter and receiver
128-pin PQFP
3.3V I/O and analog operation
1.8V digital operation
鈥?/div>
Host interface operates via high-level application program
interface (API) to reduce host software development time
and to simplify system integration.
interface with PLL-
鈥?/div>
MPEG-2 or DIRECTV outputglueless integration with
generated data clock provides
廬
BCM7020 HD graphics and video subsystem.
Highly integrated DiSEqC
鈥?/div>
analog components.
TM
interface includes integrated
Advanced Modulation Satellite Receiver Set-top Box
Memory
Conditional
Access
BCM7020
HD Video
Audio
BCM4500
Advanced Modulation
Satellite Receiver
L-band
BCM3440
SatelliteTuner
HDTV MPEG-2
Transport DEMUX,
Audio/ Video
Decoder and
Display Engine
Host CPU
BCM4500相關(guān)型號(hào)PDF文件下載
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