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SAT-Baustein / Board
J1
COAX_F
LNB_RF1
LNB_RF1
D1
LNBTVS3-220U
3V3TUNER
L7
PBY160808T-301Y-S
C26
22UF/6.3V
ISEL TTX
ISEL TTX
ADDR
ADDR
SDA SCL
Vcc
Vcc
Vcc
Byp
Byp
Byp
Vcc-
Vcc-
Vcc-
L
LX
LX
Preregulator
+U.V.lockout
LNBH23
+P.ON reset
EN
EN
VSEL
VSEL
VSEL
VSEL
TTX
TTX
P-GND
P-GND
ITEST
I²C interface
VOUT Control
Vup
Vup
TEN
Linear Post-reg
I²C Diagnostics
+Modulator
VoRX
VoRX
+Protections
CTRLV
+Diagnostics
22KHz Tone
22KHz Tone
DETIN
DETIN
Amp. Diagn.
Amp. Diagn.
VoTX
VoTX
22KHz
22KHz Tone
22KHz Tone
Oscill.
TTX
Freq. Detector
Freq. Detector
EXTM
EXTM
DSQOUT
DSQOUT
DSQIN
DSQIN
A-GND
A-GND
ª
3V3TUNER
SBY100505T-102Y-N
L6
C8
C59
1uF
100nF
R38
47R
R39
0R
C68
R40
NC
3.3K
T1
BFG425W
75ohm Microtrip line
1
2
C77
C79
2
C9
1p
R41
3
NC
27pF
3.3K
L1
4
5
27nH/800mA
C19
C21
100p
1n
3V3RF1
TP19
C24
10n
C25
100p
LNBH23L
IC2
shielding area
GND
EC1
EC3
100uF 35V
100uF 35V
27
Vup
VORX
C27
+
+
D4
+12V
STPS130A
470NF/25V
L4
GND
4
LX
NR6045T220M
VOTX
29
19
VCC
R14
C32
100R
+ EC2
18
VCC-L
100uF 35V
100n
C33
EXTM
220nF
14
TTX
GND
12
DSQIN
SDA
R17
100
6
SDA
SDA
ISEL
9
SCL
R18
100
SCL
SCL
R42
10
DISEQC_OUT
ADDR
NC/0R
R42-> STV0903 CONTROL
R22-> I2C CONTROL
R22
Read :0x15
100
GND
GND
º
¤
R1
1K
C2
C3
12p
12p
4
3
R37
X1
1
2
C57
22UF/6.3V
R2
0R
C6
10p
1
XtalCMD
NC
AGC1_RF
2
AGC
NC
C78
3
GNDIna
VCCbb
4
R3
0R
RFin
Qp
5
RFgnd
Qn
3.3pF
6
3V3RF1
VCCIna
In
7
C10
RFout
Ip
8
C84
100n
VCCIt
GNDbb
2.2pF
IC1
3V3RF1
STV6110A
C20
100n
3V3RF1
3V3RF1
C23
100n
D2
GS1M
21
LNB_RF1
LNB_RF1
TP16
D3
BAT54C
C29
220n
22
C31
47n
GND
R15
1.5k
13
3V3TUNER
11
PDC
15
1
BYP
5V_ST.BY
IN
2
IN
R16
28
3
3V3TUNER
PG
4
NC/10k
VCC
5
+12V
EN
R20
C35
R23
10k
22K
220nF
R24
2.2k
C38
GND
GND
1uF 10V
‹
›
AGC1_RF
C1
100p
3V3RF1
C4
3V3RF1
100n
2.2R
RF_IN
C5
100n
AGC
GND
3V3RF1
C7
XTAL_IN
100n
XTAL_OUT
24
23
22
21
R4
100R
20
R5
100R
19
R6
100R
18
R7
100R
17
C13
C14
C11
C12
10p
10p
10p
10p
C22
100n
30
VDD_1V0
IC3
L2
5V_ST.BY
ST1S06PUR
L3
4
3
NR4018T3R3M
VIN_B
SW
220@100MHz
C76
5
2
C28
VIN_A
GND
22uF/10V
1n
6
1
EN
FB
GND
R12
1k
GND
3V3TUNER
GND
max 360mA
3V3TUNER
10
TP17
OUT
9
ST1S06
OUT
8
R19
FB
7
470R
SS
6
GND
R21
IC4
2.7k 1%
AP7173
GND
Pd=0,6W
C36
R25
1n
1K 1%
VO/FB
2mS delay
GND
REF
IN
EN
VCC
PG
fi
AGC_1
AGC_1
XTAL_D
XTAL_D
32
STV6110A
RF_OUT
IP
IN
QP
QN
PLL, dividers
DC offset compensation
SCL
2
Amplifier
I
C bus interface
SDA
IP_1
IP_1
IM_1
33
IM_1
QM_1
QM_1
QP_1
QP_1
C15
C16
C17
C18
10p
10p
10p
10p
35
SDAT_1
SDAT_1
SCLT_1
SCLT_1
34
R9
560R
1V0_SENSE
1V0_SENSE
TP14
max 600mA
TP15
VDD_1V0
R10
C37
C30
12K%1
22UF/6.3V
22UF/6.3V
R11
GND
GND
47K%1
R13
1K
GND
V
V
IN_A
IN_SW
+
I_SEN
–
MOSEFET
Control
Logic
SW
+
–
OSC
Soft Start
Shut Down
INH
GND
OUT
Gate
Current Limit and
Driver
Thermal Shutdown
SS
+
0.8V
-
AP7173
FB
-
0.72V
+
GND
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