lnbk20 STMicroelectronics, lnbk20 Datasheet - Page 15

• Manufacturer Part Number: lnbk20
• Description: Lnb Supply And Control Voltage Regulator Parallel Interface
• Manufacturer: STMicroelectronics

LNBK20
7
Figure 25. Two antenna ports receiver
Figure 26. Single antenna receiver with master receiver port
AUX DATA
AUX DATA
Typical application schematics
MCU+V
MCU+V
Vcc
Vcc
47K
47K
R1
R1
I/Os
C2
I/Os
C2
10uF
10uF
12
11
13
4
9
5
7
11
13
12
4
9
5
7
EXTM
OLF
VSEL
ENT
EN
OSEL
LLC
LNBP20CR
EXTM
OLF
VSEL
ENT
EN
OSEL
LLC
LNBP20CR
VCC1
VCC2
CEXT
LNBA
LNBB
GND
VCC1
VCC2
CEXT
LNBA
LNBB
GND
MI
MI
1
2
3
15
14
10
8
4.7µF
1
2
3
15
14
10
8
MCU
4.7µF
MCU
C1
C1
+
17V
+
17V
2x 0.1µF
2x 0.1µF
C3
C3
C4
C4
24V
C5
47nF
2x 47nF
24V
C5
C6
Typical application schematics
TUNER
I/Os
TUNER
I/Os
ANT CONNECTORS
ANT
MASTER
JA
JB
15/25