LNBP20 STMicroelectronics, LNBP20 Datasheet - Page 15
LNBP20
Manufacturer Part Number
LNBP20
Description
LNB SUPPLY AND CONTROL VOLTAGE REGULATOR (PARALLEL INTERFACE)
Manufacturer
STMicroelectronics
Datasheet
1.LNBP11.pdf
(24 pages)
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Part Number:
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Manufacturer:
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Figure 27. Using serial bus to save MPU I/os
Figure 28. Two antenna ports receiver - low cost solution
MCU+V
MCU+V
I/Os
Vcc
47K
R1
Vcc
I/Os
AUX DATA
15
1
2
3
MCU+V
4094
STR
D
CLK
OE
4
7
5
9
VSEL
ENT
EN
OSEL
LNBP10SP
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
QS
QS
14
13
12
11
10
4
5
6
7
9
10uF
VCC1
VCC2
CEXT
LNBA
LNBB
C2
GND
13
11
12
4
9
5
7
MCU
1
2
3
10
8
6
EXTM
OLF
VSEL
ENT
EN
OSEL
LLC
LNBP20CR
4.7µF
MCU
C1
17V
+
VCC1
VCC2
CEXT
LNBA
LNBB
GND
2x 0.1µF
MI
C3
1
2
3
15
14
10
8
4.7µF
C4
C1
24V
2x 47nF
C5
+
17V
2x 0.1µF
C3
C6
C4
2x 47nF
SERIAL
BUS
24V
C5
C6
I/Os
TUNER
TUNER
ANT CONNECTORS
ANT
CONNECTORS
JA
JB
JA
JB
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