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BCM4201 Datasheet

  • BCM4201

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BCM4201
PRODUCT
BCM4201
B C M 4 2 0 1
廬
Brief
RECEIVER
B E N E F I T S
O F
UNIVERSAL
F E AT U R E S
S AT E L L I T E
S U M M A R Y
is a
鈥?/div>
The Broadcom BCM4201DVB universal QPSK II
receiver for DIRECTV ,
and Digicipher鈩?/div>
鈥?/div>
A universal digital transmission solution for DVB,
DSS and Digicipher II systems
cost digital satellite IRDs
worldwide
鈥?/div>
digital satellite reception
Integrated satellite receiver
鈥?2-85 Mbps variable rate BPSK/OQPSK/QPSK receiver
鈥?Dual integrated 8-bit A/D converters
鈥?Dual square-root Nyquist matched filters (偽=0.2-0.35)
鈥?All digital clock and carrier recovery
鈥?Integrated PLLs
鈥?/div>
An integrated solution enabling low complexity/low
鈥?/div>
Variable data rates support all satellite systems
鈥?/div>
Integrated 8-bit A/D converters and PLL reduce
system manufacturing costs
FEC decoder
鈥?/div>
DVB/DIRECTV/Digicipher II-compliant
5/11, 1/2, 3/5,
鈥?64-state Viterbi decoder supports rates =
2/3, 3/4, 4/5, 5/6, 6/7, 7/8
鈥?Programmable convolutional deinterleaver, I=12 or 13
with internal RAM
鈥?Reed-Solomon decoder: (n,k) = (204,188) or
(146,130): t=8
Seamless interface to BCM3440 CMOS satellite tuner
or direct IF input
I
2
C and SPI compatible microcontroller interface
IEEE 1149.1 (JTAG) test interface
80-pin PQFP pin package
3.3 Volt operation
鈥?/div>
Receives up to 85 Mbps for high-speed applications
鈥?/div>
Operates down to 1 MBaud with excellent adjacent
channel rejection characteristics due to 8-bit A/Ds
for low-speed applications such as SCPC
minimization
鈥?/div>
Specialized circuitry provided for cycle slip
鈥?/div>
On-chip BER tester to simplify system optimization
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Satellite IRD Block Diagram
Memory
Conditional
Access
BCM7020
HD Video
Audio
BCM4201
DVB-S
Satellite Receiver
L-band
BCM3440
SatelliteTuner
HDTV MPEG-2
Transport Demux,
Audio/ Video
Decoder and
Display Engine
Host CPU

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