General Vcc decoupling
Each of these Vcc pins of TDA18273 is decoupled by a
single capacitor (pin 1, 16, 27, 35)
DIF IN
silicon tuner
C258:0R
C265:0R
R216:0R
R220:0R
R217:0R
R221:0R
C259:0.1F
C266:0.1F
C260:NC
L201:NC
R218:NC
R219:NC
R1
R2
R1
䖰
Ѣ
R2
R3
R3,R4
⬉
䰏
ᖙ
乏
প
↨
䕗
ؐ
,
৺
߭
Ӯ
ᕅ
ડ
IF-AGC
ֵ
ো
.
R4
IF AGC Switch
Close Tuner
Ўњᮍ֓ᥦ⠜ˈᬙᛣᡞ䆹ֵোⱘ
LVDS
ⱘℷ䋳ᇍᤶDŽ
332mA MAX:360MA
䴴䖥
silicon tuner
ᨚᬒ
TUNER AGC,Close TUNER
choose extra Demod
choose inter Demod
RFIN
T_IF-AGC
VIFM
VIFP
T_IF-AGC
TUAGC
T_IF-AGC
IF_AGC_ISDB
TU_SCL
TUAGC
TAGC
TU_SDA
TUNER_SDA
TUNER_SCL
3.3V_Tun
3.3V_Tun
3.3V_Tun
3.3V_Tun
3.3V_Tun
3.3V_Tun
3.3V_Tun
3.3V_Tun
3.3V_Tun
3.3V_Tun
3.3V_Tun
3.3V_Tun
3.3V_Tun
+3.3V_Normal
3.3V_Tun
IF-IN+
2
IF-IN-
2
TU_SCL
2
TU_SDA
2
IF-IN+
10,6
IF-IN-
10,6
VIFP
4
VIFM
4
IF_AGC_ISDB
10
IF-AGC-SEL
4
TAGC
4
TUNER_SDA
4
TUNER_SCL
4
C706
150pF 50V 5%
C706
150pF 50V 5%
C211
NC/120pF
C211
NC/120pF
L702
2.2nH 1000m
A +/-
0.2nH
L702
2.2nH 1000m
A +/-
0.2nH
C714
20pF 50V 5%
C714
20pF 50V 5%
Q12
3906
Q12
3906
C716
100nF16V 10%
C716
100nF16V 10%
R169
NC
R169
NC
R176
68R
R176
68R
R168
0R/51R
R168
0R/51R
L703
2.4nH_220m
A_+/-
0.05nH
L703
2.4nH_220m
A_+/-
0.05nH
C701
120pF 100V/5%
C701
120pF 100V/5%
C705
82pF 50V 5%
C705
82pF 50V 5%
C703
100nf 16V 5%
C703
100nf 16V 5%
C724
47nF 50V +/-5%
C724
47nF 50V +/-5%
C208
0.1uF
C208
0.1uF
R181
100K
R181
100K
C215
0.1uF
C215
0.1uF
R704
430 5%
R704
430 5%
+
EC1
220uF/16V
+
EC1
220uF/16V
C719
220nF 10V +/-10%
C719
220nF 10V +/-10%
D701
NC/BAV99W
D701
NC/BAV99W
R171
0R/33R
R171
0R/33R
C216
22pF
C216
22pF
C210
1uF
C210
1uF
R183
10K
R183
10K
C723
47nF 25V 10%
C723
47nF 25V 10%
C718
2.7nF 50V 10%
C718
2.7nF 50V 10%
C709
100nF16V 10%
C709
100nF16V 10%
C214
0.1uF
C214
0.1uF
R180
1K
R180
1K
C217
22pF
C217
22pF
C704
120pF 100V/5%
C704
120pF 100V/5%
C722
10pF 50V +/-5%
C722
10pF 50V +/-5%
C71
7
6.8nF 50V +/-
10%
C71
7
6.8nF 50V +/-
10%
C209
0.1uF
C209
0.1uF
L704
8.2nH_110m
A_+/-
0.1nH
L704
8.2nH_110m
A_+/-
0.1nH
Q15
3904
Q15
3904
C207
0R/0.1uF
C207
0R/0.1uF
R182
100K
R182
100K
R701
0R
R701
0R
J701
RFIN
J701
RFIN
1
2
3
4
5
6
7
8
8
9
10
CN600
S2_TUNER
CN600
S2_TUNER
1
2
3
4
C212
10uF
C212
10uF
R172
0R/51R
R172
0R/51R
C71
2
10uF 6.3V/5%
C71
2
10uF 6.3V/5%
U701
TDA18273
U701
TDA18273
GNDSY
NT
18
VTUN
19
CP
20
XTOUT1
21
XTOUT2
22
CA
PREG
VCO
17
IFP
25
GNDIF
26
V_IF_AGC
28
VCCIF
27
IRQ
30
V_Sync
29
GNDDIG3
23
IFn
24
VH
FSupply
31
VHFL
32
VCCRF
1
RFin
2
NC
3
NC
4
GNDDIG0
5
AS_XTSel
6
GNDDIG1
7
Test1
8
Test2
9
GNDDIG2
10
SCL
11
Test1
13
Xtal
14
SDA
12
Xtaln
ot
15
VCC
SYN
16
CapRFAG
C
40
RFAG
C_Sens
e
39
UHFH
38
UHFSupply
37
UHFL
36
VCCRF Filt
er
35
VHFH
34
VH
FSens
33
GND
41
L23
NC/100nH
L23
NC/100nH
L705
100nH_150m
A_+/-
5%
L705
100nH_150m
A_+/-
5%
L701
330nH 140mA
5%
L701
330nH 140mA
5%
Q13
3906
Q13
3906
C710
100nF16V 10%
C710
100nF16V 10%
R179
100K
R179
100K
R173
4.7K
R173
4.7K
R703
1.5K
R703
1.5K
C71
3
47nF 25V 10%
C71
3
47nF 25V 10%
C702
220nF 10V 10%
C702
220nF 10V 10%
FB3
600
-3A-1206
FB3
600
-3A-1206
R178
10K
R178
10K
C721
47nF 25V 10%
C721
47nF 25V 10%
C213
0R/0.1uF
C213
0R/0.1uF
C715
20pF 50V 5%
C715
20pF 50V 5%
L706
220nH 120m
A 5%
L706
220nH 120m
A 5%
Q14
3904
Q14
3904
R177
68R
R177
68R
R174
4.7K
R174
4.7K
R170
NC
R170
NC
C707
6.8nF 50V 10%
C707
6.8nF 50V 10%
R167
0R/33R
R167
0R/33R
C720
1000PF/50V
C720
1000PF/50V
Y701
NX3225GA/16MHz
Y701
NX3225GA/16MHz
R175
75R
R175
75R