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STB6100 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. STB6100
Description  8PSK/QPSK direct conversion tuner IC
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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STB6100 Datasheet(HTML) 1 Page - STMicroelectronics

   
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DATA BRIEF
September 2004
STB6100
8PSK/QPSK direct conversion tuner IC
Rev. 1
DESCRIPTION
The STB6100 ASIC is a highly integrated, low-cost
direct conversion (zero IF) tuner IC for DVB-S2
broadcast satellite applications.
This device includes an LNA, down-converting
mixers, baseband low-pass filters, gain control,
on-chip VCO and a low noise PLL. Its wide gain
control range is well suited for low symbol rate
applications.
The STB6100 is controlled by a simple two wire
interface and has been designed to minimize the
external bill of materials to reduce manufacturing
costs and to simplify the board layout. The
reduced component count ensures greater system
reliability
leading
to
increase
consumer
satisfaction.
The DVB-S2 standard increases the capacity of
satellite broadcasts by as much as 30%, so
enabling the effective deployment of high data rate
applications such as high definition TV and
broadband internet.
Packaged in a small QFN 32-pin package, it is
ideal for low cost DBS design.
Figure 1. Package (420 + 36 PBGA 27 x 27)
Figure 2. Integrated silicon tuner
xxxx
XO_BYP
XTALB
XOOUT
IOUT
IOUTB
QOUTB
QOUT
XTAL
VCCRF
RFIN
GND
GND
VCCMIX
GND
GND
GND
PDF
/(Ni+Nf)
BB
Gain
CP
3
2
2
5
9
1
6
2
6
2
7
2
8
2
9
3
0
3
1
1
4
1
3
1
2
1
1
1
0
1
5
1
8
7
2
3
4
5
6
24
17
21
18
19
20
23
22
LD
2-Wire Bus
BW
AGC
Control
DC Offset
Cancellation
DC Offset
Cancellation
/2 or /1
Divide
2/4
0o
90o
Delta
Sigma
OP
AMP


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