Circuit Diagrams and PWB Layouts
10.
Digital Bolt-On: 7401 Analog Supply Filtering
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
HDMI_PLL_VDD12
VDAC_AVDD
33
S
ATA_XTAL_VDD25
PLL_AVDD12
U
S
B_PLLVDD12
EPHY_PLLVDD25
DDR0_BVDD12_1
DDR0_BVDD12_0
HDMI_OUT_VDD25
VDAC_DVDD12
DDR0_PLL_AVDD12
VDAC_AVDD25
RFM_DVDD12
RFM_PLLDVDD12
U
S
B_AVDD
33
CLK54_XVDD25
RFM_AVDD25
RFM_LDVDD12
UHF_AVDD12
U
S
B_AVDD25
HDMI_TVDD12
U
S
B_AVDD12
UHF_AVDD25
S
ATA_VDD12
UHF_AVDD
33
DRIVER_VDD12
VDAC_BGVDD12
EPHY_AVDD12
VCXO_AVDD12
AUD0_VDDO
33
VDAC_AVDD
33
A
3
.
3
V_BCM740X
A2.6V_BCM740X
A1.2V_BCM740X
7401 Analo
g
S
upply Filterin
g
C206
*
0.1
u
C206
*
0.1
u
C19
8
*
0.1
u
C19
8
*
0.1
u
C215
*
0.1
u
C215
*
0.1
u
C194
*
0.1
u
C194
*
0.1
u
R2
3
7
0
R2
3
7
0
R2
38
0
R2
38
0
C225
4.7
u
/10V/12
C225
4.7
u
/10V/12
R245
0
R245
0
FB
8
FB/600/06
FB
8
FB/600/06
C219
*
4.7
u
/10V/12
C219
*
4.7
u
/10V/12
C200
*
0.1
u
C200
*
0.1
u
FB9
FB/600/06
FB9
FB/600/06
C207
0.1
u
C207
0.1
u
FB12
FB/600/06
FB12
FB/600/06
C214
*
0.1
u
C214
*
0.1
u
R241
0
R241
0
C217
0.1
u
C217
0.1
u
R2
33
0
R2
33
0
C20
3
4.7
u
/10V/12
C20
3
4.7
u
/10V/12
R247
0
R247
0
R24
8
0
R24
8
0
R24
3
*
0
R24
3
*
0
C226
0.1
u
C226
0.1
u
R2
3
4
0
R2
3
4
0
C220
*
0.1
u
C220
*
0.1
u
C221
*
0.1
u
C221
*
0.1
u
+
EC
3
5
1000
u
/6.
3
V
+
EC
3
5
1000
u
/6.
3
V
R244
0
R244
0
C216
4.7
u
/10V/12
C216
4.7
u
/10V/12
FB11
FB/600/06
FB11
FB/600/06
C204
*
0.1
u
C204
*
0.1
u
C199
*
0.1
u
C199
*
0.1
u
R249
0
R249
0
FB7
FB/600/06
FB7
FB/600/06
C22
3
0.1
u
C22
3
0.1
u
C227
4.7
u
/10V/12
C227
4.7
u
/10V/12
C212
4.7
u
/10V/12
C212
4.7
u
/10V/12
C196
*
0.1
u
C196
*
0.1
u
C209
4.7
u
/10V/12
C209
4.7
u
/10V/12
R2
3
2
*
0
R2
3
2
*
0
C205
*
0.1
u
C205
*
0.1
u
FB10
FB/600/06
FB10
FB/600/06
R2
3
6
0
R2
3
6
0
C222
0.1
u
C222
0.1
u
R240
2.2/1
%
R240
2.2/1
%
C192
0.1
u
C192
0.1
u
C210
0.1
u
C210
0.1
u
C201
*
0.1
u
C201
*
0.1
u
FB6
FB/600/06
FB6
FB/600/06
L27
10nH/06
L27
10nH/06
R2
3
0
0
R2
3
0
0
C19
3
0.1
u
C19
3
0.1
u
C195
*
0.1
u
C195
*
0.1
u
UHF_AVDD
33
D2
3
UHF_AV
SS
G22
RFM_AVDD25
E19
RFM_DVDD12
A19
RFM_LDVDD12
B19
RFM_PLLAV
SS
F1
8
RFM_PLLDVDD_NC
D19
DDR0_BVDD12_0
B4
DDR0_BV
SS
0
A
3
DDR0_PLL_AVDD12
F6
DDR0_PLL_AV
SS
E6
DDR0_BVDD12_1
AE
3
DDR0_BV
SS
1
AF
3
U
S
B_PLLVDD12
AA7
U
S
B_AVDD
33
AD
8
U
S
B_AVDD25
AC7
U
S
B_AVDD12
AD7
U
S
B_AV
SS
AC
8
U
S
B_AV
SS
Y
8
EPHY_AVDD12
F12
EPHY_AGND
E12
EPHY_PLLV
SS
F11
EPHY_PLLVDD25
E11
S
ATA_VDD12
D6
S
ATA_GND
G9
S
ATA_VDD12
C6
S
ATA_GND
F7
S
ATA_XTAL_VDD25
D7
CLK54_XVDD25
D25
DRIVER_VDD12
B26
PLL_AVDD12
W21
CLK54_XV
SS
K20
PLL_AV
SS
V20
VCXO_AVDD12
W20
VCXO_AV
SS
Y20
RFM_AV
SS
G17
VDAC_AVDD25
C17
VDAC_DVDD12
E16
VDAC_BGVDD12
C1
8
VDAC_BGV
SS
D1
8
VDAC_DV
SS
F16
HDMI_OUT_VDD25
C14
HDMI_TVDD12_1
D14
HDMI_PLL_VDD12
E14
HDMI_GND
G1
3
HDMI_GND
F1
3
AUD0_RVDDO
33
F14
AUD0_LV
SS
O
F15
AUD0_RV
SS
O
G14
UHF_AVDD25
C2
3
UHF_AVDD12
D24
UHF_AV
SS
H21
VDAC_AVDD
33
C16
VDAC_AV
SS
H15
AUD0_LVDDO
33
E15
UHF_AV
SS
F21
UHF_AV
SS
G21
EPHY_AGND
D11
S
ATA_GND
G
8
S
ATA_GND
H10
UHF_AV
SS
F22
UHF_AV
SS
H20
UHF_AV
SS
C24
UHF_AV
SS
A25
UHF_AV
SS
G20
UHF_AV
SS
F2
3
UHF_AV
SS
E2
3
RFM_AV
SS
F17
RFM_AV
SS
H17
RFM_AV
SS
E1
8
RFM_PLLAV
SS
C19
S
ATA_GND
F
8
S
ATA_GND
E7
S
ATA_GND
C5
S
ATA_GND
A4
S
ATA_GND
H9
CLK54_XV
SS
C25
CLK54_XV
SS
J20
EPHY_AGND
G12
UHF_AV
SS
B2
3
UHF_AV
SS
J19
UHF_AV
SS
H19
UHF_AV
SS
A2
3
VDAC_AV
SS
D16
VDAC_AV
SS
H16
VDAC_AV
SS
G15
U
S
B_AV
SS
AB7
VDAC_DV
SS
G16
CLK54_XV
SS
K19
UHF
Video
HDMI
RFM
AUDIO
DDR
U
S
B
ETHERNET
S
ATA
3
rd OT
VCXO
S
Y
S
PLL
U1-11
BCM7402
UHF
Video
HDMI
RFM
AUDIO
DDR
U
S
B
ETHERNET
S
ATA
3
rd OT
VCXO
S
Y
S
PLL
U1-11
BCM7402
C191
*
0.1
u
C191
*
0.1
u
C197
1
u
/25V/0
8
C197
1
u
/25V/0
8
C202
0.1
u
C202
0.1
u
C224
0.1
u
C224
0.1
u
C20
8
0.1
u
C20
8
0.1
u
R2
3
1
*
0
R2
3
1
*
0
R2
3
9
0
R2
3
9
0
C21
8
*
0.1
u
C21
8
*
0.1
u
R246
0
R246
0
C211
0.1
u
C211
0.1
u
C21
3
*
0.1
u
C21
3
*
0.1
u
R2
3
5
0
R2
3
5
0
R250
0
R250
0
FB5
*
FB/600/06
FB5
*
FB/600/06
R242
0
R242
0
1
8
610_509_090605.ep
s
090605