schematics

FCC ID: H8NDCW725

Schematics

Download: PDF

FCCID_837955

A B C D E

C647 C644

2

2
1000PF 1000PF
FB8
BEAD/200MHZ/0.1A/0.45/0603

1

1
EPHY_VDDPLL 1 2
+1.8V +1.8V
C88 C89 C90 C91 C92 C93 C94 C95 C96 C97

1

1

1

1

1

1

1

1

1

1
10UF/1206/16V 10UF/1206/16V 0. 1UF 0.1UF 0.1UF 0. 1UF 0.1UF 0. 1UF 1000PF 4.7UF/1206/10V +3.3V +2.5V

2

2

2

2

2

2

2

2

2

2
R987 R986
FB9 C293
BEAD/200MHZ/0.1A/0.45/0603 4.7UF/1206/10V 0R 0R/ DNP
EPHY_VDDXTAL 1 2 2 1
+3.3V +3.3V
C99 C100 C648 C638 C639 C640 C641 C642 C643 C107 C645 +3.3V +2.5V +3.3V +3.3V

1

1

1

1

1

1

1

1

1

1

1
10UF/1206/16V 10UF/1206/16V 1000PF 0.1UF 0.1UF 0. 1UF 0.1UF 0. 1UF 0.1UF 1000PF 4.7UF/1206/10V C318
4 1000PF 4

2

1

2

1
2

2

2

2

2

2

2

2

2

2

2
R989 R988 D6 D7

0R 0R/DNP

103
115

104
114
U9 C314 0.1UF T1

21
45

10
22
44
98

65
76
77
88
89

59

60

3

3
9
BCM5325M BAV99/SOT(DNP) BAV99/SOT(DNP) FB33 EPHY_TDP4 1 40 TX4+
C315 1000PF BEAD/200MHZ/0.1A/0.45/0603
E PHY_TDN4 2 39 TX4-

VDDPLL

VDDXTAL
VDDC
VDDC
VDDC
VDDC
VDDC

VDDP
VDDP
VDDP
VDDP
VDDP
VDDP

VDDA
VDDA
VDDA
VDDA
VDDA
2 1 ETCT4 3 TCT4 38
R49 33 BCM5325_MII_RXC 26 94 EPH Y_RDP4 4 37 RX4+
3349_GPIO5 BCM3349_MII_TXD3 RXC TD5(+) EPHY_ RDN4 RX4-
3349_GPIO5 34 RXD3 TD5(-) 93 5 36
1

C662 3349_GPIO4 BCM3349_MII_TXD2 33 92 FB34 EPHY_ RDN3 6 35 RX3-
3349_GPIO4 3349_GPIO3 BCM3349_MII_TXD1 RXD2 RD5(+) R50 51/0402/1% EPHY_TDP4 BEAD/200MHZ/0.1A/0.45/0603
EPH Y_RDP3 RX3+
3349_GPIO3 31 RXD1 RD5(-) 91 7 34
33PF 3349_GPIO2 BCM3349_MII_TXD0 30 123 R51 51/0402/1% E PHY_TDN4 2 1 ETCT3 8 TCT3 33
2

3349_GPIO2 3349_GPIO1 BCM3349_MII_TXEN RXD0 LEDA5* E PHY_TDN3 TX3-
3349_GPIO1 29 RXDV LEDB5* 124 9 32
25 125 EPHY_TDP3 10 31 TX3+
RXER LEDC5* R374 FB35 EPHY_TDP2 TX2+
11 30
R53 33 BCM5325_MII_TXC 19 BEAD/200MHZ/0.1A/0.45/0603
E PHY_TDN2 12 29 TX2-
BCM3349_MII_RXD3 TXC EPHY_TDP4 0R ETCT2 TCT2
3349_GPIO31 12 TXD3/QOS_PORTSEL[0] TD4(+) 83 2 1 13 28
1

C663 BCM3349_MII_RXD2 13 84 E PHY_TDN4 R1 51/0402/1%EPH Y_RDP3 EPH Y_RDP2 14 27 RX2+
3349_GPIO30 BCM3349_MII_RXD1 TXD2/QOS_PORTSEL[1] TD4(-) EPH Y_RDP4 R2 51/0402/1%EPHY_ RDN3 EPHY_ RDN2 RX2-
3349_GPIO29 14 TXD1/QOS_FC_DIS RD4(+) 85 15 26
33PF BCM3349_MII_RXD0 17 86 EPHY_ RDN4 R3 51/0402/1% EPHY_ RDN4 C319 FB36 EPHY_ RDN1 16 25 RX1-
2

3349_GPIO28 BCM3349_MII_RXDV TXD0 RD4(-) BCM5325_EPHY_LINK_ACT_LED4 R4 51/0402/1% EPH Y_RDP4 1000PF BEAD/200MHZ/0.1A/0.45/0603
EPH Y_RDP1 RX1+
3349_GPIO26 18 TXEN LEDA4* 118 BCM5325_EPHY_LINK_ACT_LED4 17 24
20 119 2 1 ETCT1 18 TCT1 23
BCM3349_MII_RXC TXER LEDB4* E PHY_TDN1 TX1-
3349_GPIO23 LEDC4* 122 19 22
R58 D NP R59 10K 24 51*4/0402 EPHY_TDP1 20 21 TX1+
R61 D NP R62 10K CRS R N2 4
11 COL 5 E PHY_TDN2
R64 D NP 82 EPHY_TDP3 3 6 EPHY_TDP2 T/F/1:1/SQ-H48W
TD3(+)

3

3
BCM3349_MII_TXC 2 81 E PHY_TDN3 2 7 EPHY_TDP3
3349_GPIO22
C291
27PF
1
MDC
MDIO
BCM5325M TD3(-)
RD3(+) 80 EPH Y_RDP3
EPHY_ RDN3
1 8 E PHY_TDN3
RD3(-) 79
BCM5325_EPHY_LINK_ACT_LED3
Route this area void of
2 1 LEDA3* 113 BCM5325_EPHY_LINK_ACT_LED3
25MHz 116 51*4/0402 D5 D4 PWR/GND planes and

1

2

1

2
LEDB3*

1
Cload = 20pF 61 117 R N1 4 5 EPH Y_RDP1
Y5 Tol/Stability = 15/30 ppm XTALI/CK25 LEDC3* signal traces.
3 3 6 EPHY_ RDN1
C292 XTALO_25M62 2 7 EPHY_ RDN2 +3.3V +3.3V
27PF XTALO EPHY_TDP2
71 1 8 EPH Y_RDP2

2
TD2(+) E PHY_TDN2 BAV99/SOT(DNP)
2 1 2 1 TD2(-) 72
R659 BEAD 73 EPH Y_RDP2 R74 51/0402/1% E PHY_TDN1 BAV99/SOT(DNP)
RD2(+) EPHY_ RDN2 R76 EPHY_TDP1
(2) EBI_RESET_N 128 RESET* RD2(-) 74
110 BCM5325_EPHY_LINK_ACT_LED2 Route this area void of
LEDA2* BCM5325_EPHY_LINK_ACT_LED2 51/0402/1%
LEDB2* 111
112 PWR/GND planes and
R73 10K LEDC2*
23 LINK* signal traces.
R75 D NP 100
R77 D NP ENFDXFLOW EPHY_TDP1
101 ENHDXFLOW TD1(+) 70
R78 D NP 40 69 E PHY_TDN1 T2
R79 D NP HW_FWDG_EN TD1(-) EPH Y_RDP1 DNP/TS6121A
49 MDIX_DIS RD1(+) 68
R80 10K BCM3349_MII_CRS 3349_GPIO25 R81 D NP 97 67 EPHY_ RDN1 C316
3349_GPIO25 MII_FDX* RD1(-)
BCM3349_MII_COL 3349_GPIO24 R83 D NP 96 105 BCM5325_EPHY_LINK_ACT_LED1 C317 EPHY_TDP4 1 16 TX4+
3
3349_GPIO24 MII_SPD100* LEDA1* BCM5325_EPHY_LINK_ACT_LED1 TD+ TX+ 3
R82 10K 47 106 0.1uF
CPU_EPROM_SEL LEDB1* 1000pF ETCT4 TCT4
95 MII_7WIRE LEDC1* 107 2 CT CT 15
R84 D NP 43
R85 D NP QOS_MODE E PHY_TDN4 TX4-
37 FREQ[1] 3 TD- TX- 14
R86 D NP 36 99 R612 10K
+3.3V FREQ[0] LEDMODE[2] +3.3V
LEDDATA/LEDMODE[1] 127
126 R613 10K EPH Y_RDP4 6 11 RX4+
LEDCLK/LEDMODE[0] RD+ RX+
S CK 7 41 ETCT4 7 10 TCT5
SS_N SCK TEST[0] CT CT
8 SS* TEST[1] 42
MOSI 6 EPHY_ RDN4 8 9 RX4-
MISO MOSI R87 2.7 RD- RX-
5 MISO VDDBIAS 56 +3.3V
1%

GNDXTAL
GNDPLL
R88 1.27K/1% 57 58 J5
RDAC GNDBIAS

GNDC
GNDC
GNDC
GNDC
GNDC

GNDP
GNDP
GNDP
GNDP
GNDP
GNDP
GNDP

GNDA
GNDA
GNDA
GNDA
GNDA
C646 Straddle R325-R330 RJ45x4
D NP TCT1 CT1 D8
across the void R623 R624 DNP/75/1% D7
DNP/75/1% RX1+ D1
separating GND and

15
27
51
109
120

16
28
35
50
102
108
121

66
75
78
87
90

64

63
GND_EPHY. C266
R625 DNP/75/1% RX1-
TX1+
D2
D3 ETHERNET
DNP/1000pF/2KV TX1- D6
D5 PORT 1
D4
TCT2 CT1 C8
R626 R627 DNP/75/1% C7
DNP/75/1% RX2+ C1
C267 R628 DNP/75/1% RX2-
DNP/1000pF/2KV TX2+
C2
C3 ETHERNET
TX2- C6
C5 PORT 2
C4
TCT3 CT1 B8
R629 R630 DNP/75/1% B7
FB302 FB304 DNP/75/1% RX3+ B1

+1.2V
BEAD/200MHZ/0.1A/0.45/0603
EPHYPLL_VDD EPH Y_BVDD
BEAD/200MHZ/0.1A/0.45/0603
+2.5V
TCT4 C268
R631 DNP/75/1% RX3-
TX3+
B2
B3 ETHERNET
R632 DNP/1000pF/2KV TX3- B6
C313
0.1UF/0402/16V
C311
4.7UF/0805/10V
C312
1000PF/0402
C308
0.01UF
C307
4.7UF/0805/10V
C309
0.1UF/0402/16V
DNP/75/1% B5 PORT 3
B4
TCT5 CT1 R680 0(DNP) ETHCON_GND A8
R622 R633 DNP/75/1%
R681 0(DNP) ETHCON_TX A7
DNP/75/1% RX4+ A1

C269
R634 DNP/75/1%
R682 0(DNP)
RX4-
TX4+
A2
A3 ETHERNET
DNP/1000pF/2KV R683 0(DNP) TX4- A6
ETHCON_RX
A5
ETHCON_VCC
PORT 4
A4
EPHY_R DAC R301 1K/1%
G1

1
2
2 gas tube(DNP) 2
2 1 CT1 C693 C694 C696
0.1UF 0.1UF 1000PF

U201C
W4

BCM3349-A0
Y6

Y5

Y4

BGA316_27X27
EPHY_PLL_VDD_1P2

EPHY_BIAS_VDD_2P5

EPHY_RDAC

EPHY_VREF
SS_N

MISO
MOSI
SCK

W2 R991 0R/ DNP EPHY_ RDN4
EPHY_RD(-) R992 0R/ DNP EPH Y_RDP4
EPHY_RD(+) Y2
W3 R993 0R/ DNP E PHY_TDN4
EPHY_TD(-) R994 0R/ DNP EPHY_TDP4
EPHY_TD(+) Y3
R90 0/0402 R91 0/0402(DNP) BCM3349
3349_GPIO11 R92 0/0402 R93 0/0402(DNP)
3349_GPIO10 ENET_LED A19 LED_Internt (5)
R94 0/0402 R95 0/0402(DNP) PERIPHERALS
3349_GPIO8 R96 0/0402 R97 0/0402(DNP)
3349_GPIO9
(3 OF 4) USB_LED B17 LED_USB (5)
SPI_SS_N Y7 W11 USB_ACTIVE R311 10K 1
SPI_CLK SPI_SS USB_ACTIVE US B_DN R312 22 VBUS
V8 SPI_CLK USB_D(-) Y12 2 DM
SPI_MISO W8 W12 USB_DP R313 22 3
SPI_MOSI Y8
SPI_MISO
SPI_MOSI
USB_D(+)
USB_RDY Y11 USB_R DY R314 1.5K 4
DP
GND
USB JACK +3.3V
5 S1

1
C320 C321 C322 U11 6 S2

8

6
R318 SN75240
47pF 47pF 1000PF con_usb_amp R678 DNP/0 ETHCON_VCC

A

B
2
V9 Y9 UART_SOUT 15K J3
USE_SPI_SLAVE UART_SOUT UART_SIN USB
UART_SIN W9 1 GND 5
3 TRANSIENT GND 7 CONSOLE_TXD R676 DNP/1K ETHCON_TX
GND SUPPRESSOR GND

1

1

1

1
C323 C324 C325 C326

C

D
0.1uF CONSOLE_RXD R677 DNP/1K ETHCON_RX
0.1uF 1000PF 1000PF

2

4

2

2

2

2
ETHCON_GND
VSS

VSS

VSS

VSS

VSS

D401 D402 C680 D403 R679
T9

T12

W1

W5

W6

1 1

DNP/V0603MHS03NH
DNP/V0603MHS03NHDNP/220PF DNP/V0603MHS03NH
DNP/0
+3.3V SERIAL
CONSOLE PORT
J4
1
CONSOLE_TXD 2
CONSOLE_RXD 3
4
CONSOLE PORT

C690 C691
47PF 47PF
Title
Ethernet & USB
Size Document Number R ev
D 1
CHE260-D49(RoHS)
Date: 2004 02 26 Sheet 4 of 9
A B C D E

A B C D E

THESE COMPONENTS ARE WITHIN THE HW601 SHIELD OUTLINE
4 4
HW601
FENCE_1.25X1.25X0.25
GND 1
GND 2
GND 3
GND 4
GND 5
GND 6
Add 36 thermal vias (12 mil
GND 7
GND 8
diam.) under BCM3419 chip.
GND 9
GND 10 No solder mask under chip on
T
top and bottom

FB601 FB605
BEAD/200MHZ/0.1A/0.45/0603 BEAD/200MHZ/0.1A/0.45/0603
GND1
+3.3V_TUNER +3.3V_TUNER
C603 C604 C605 C606
0.047UF 470PF R609 0.047UF 470PF
DNP

T

T T
D601 T T T T T
DIODE/0.3A/70V/BAV99
2 U607-1 R601 1K
IF_AGC (5)
BCM3419-A0

40

39

38

37

36

35

34

33

32

31
3 T HVQFN40_6X6 T T
C607 0.1UF

SP1

SP2
VCC

GND

GND

GND

GND

VCC

VCC

GND
C631 C632
RF Input 54 - 860MHz 1
DNP DNP
3 1 30 C608 1000PF 3
U601 GND AGC

T
DIPLEXER/0806-5400-03 T
C609 4700PF C610 0.1UF R607 0 R610 0
DWNSTRM 1 FB602
2 RF IF2 29 DS_IF_P (5)
GND1 2 BEAD/200MHZ/0.1A/0.45/0603
10 D602 +3.3V_TUNER 3 28 C611 0.1UF R608 0 R611 0
GND8 VCC IF1 DS_IF_N (5)
DIODE/0.3A/70V/BAV99 C612 C613 FB606
9 2 0.047UF 470PF BEAD/200MHZ/0.1A/0.45/0603 C633 C634
GND7 DNP DNP
4 27
GND6 8 3
VCC
SILICON VCC C614
0.047UF
C615
470PF
+3.3V_TUNER

T
GND5 7 1 5 GND GND 26
T T T
CABLE
UPSTRM

T
6

T
GND4
GND2

6 25 T T
T AS VREF1
GND3 5

T
+3.3V_TUNER R604 4.7K 7 TUNER 24 C617 0.22UF/0805/25V
4
3

BVS VT1
R602 390/1%
(5) US_OUTPUT
8 23 C619 5600PF
T SCL VT2
R603 180/1%
9 22 C620 0.1UF
SDA VREF2

+3.3V_TUNER 10 21 C621 8200PF
GND CP

LOTEST
R605 4.7K

XTOUT
T

T

GND

GND

GND
VCC

VCC

VCC
XT2

XT1
11

12

13

14

15

16

17

18

19

20
T T T
FB603
2 2
BEAD/200MHZ/0.1A/0.45/0603
+3.3V_TUNER
C622 C623 C626
0.047UF 470PF 27PF R606
56/1%
C627
27PF
(5) RFT_CLK
T
(5) RFT_DATA
FB604 FB607
BEAD/200MHZ/0.1A/0.45/0603 BEAD/200MHZ/0.1A/0.45/0603
+3.3V_TUNER +3.3V_TUNER
C635 C636 C629 C630 C624 C625
1000PF 1000PF 0.047UF 470PF 16MHz 0.047UF 470PF
Y601

T T T T T

U607-2
BCM3419-A0
HVQFN40_6X6
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76

1 1

T

Title
CMOS Tuner
Size Document Number Rev
C 1
CHE260-D49(RoHS)
Date: 2004 02 26 Sheet 7 of 9
A B C D E

A B C D E

D[15:0]
2 D[15:0]

A[23:0]
2 A[23:0]
U602A +3.3V_PCM U602D
R650 10K VDDA1
D2 P12 M14 WLAN_REG_N B3 E4
pci_ad_31 pci_cbe_3 EBI_R/W_N plldvdd AVSS_ADC
D1 P13 H11 A12 A5 A1
pci_ad_30 pci_cbe_2 +3.3V_PCM pllvdd AVSS_DAC
D9 N13 G11 A8 R654 10K E3 G1
D0 pci_ad_29 pci_cbe_1 WLAN_CE1_N AVDD_ADC RGND1
L11 pci_ad_28 pci_cbe_0 D14 PCMCIA_CE1_N B1 AVDD_DAC RGND10 L3
D8 P14 J12 D10 VDDA2 L4
A0 pci_ad_27 pci_frame RGND11
M13 pci_ad_26 pci_irdy J14 N7 VDDXTAL RGND12 L5
A1 N14 H12 M7 L6
A2 pci_ad_25 pci_trdy VDD4W RGND13
M12 pci_ad_24 pci_devsel H14 N5 VDDPLL RGND14 L7
4 A3 L12 G13 D6 M6 L8 4
pci_ad_23 pci_stop +3.3V_PCM VDDPLL_REF RGND15
A4 L14 G12 A14 R652 1K VDDA3 M4
A5 pci_ad_22 pci_perr WLAN_WAIT_N RGND16
K13 pci_ad_21 pci_serr G14 PCMCIA_WAIT_N P3 VDDLO RGND17 M8
A6 K12 F13 A13 M5 N3
pci_ad_20 pci_par WLAN_IRQ_N VDDPA VDDVCO RGND18
K14 pci_ad_19 pci_int C11 N6 VDDCP RGND19 N8
A7 J13 K10 WLAN_RESET H2 G2
pci_ad_18 pci_rst L605 VDDLF RGND2
J11 pci_ad_17 pci_clk H13 C31 RGND20 P4
H10 pci_ad_16 pci_pme P11 0.01UF M1 VDDPA1 RGND21 P7
G10 L13 pci_idsel R651 1K 12nH M2 P8
pci_ad_15 pci_idsel +3.3V_PCM VDDPA2 RGND22
A9 F10 N12 VDDA4 G3
pci_ad_14 pci_req WLAN_WE_N +3.3V_PCM RGND3
F12 pci_ad_13 pci_gnt M11 EBI_WR_N C751 J2 VDDRX RGND4 H1
A11 F14 P2 H3
pci_ad_12 4.3pF VDDTX RGND5
WLAN_OE_N F11 D10 R655 10K N2 J3
EBI_RD_N pci_ad_11 cstschg +3.3V_PCM VDDDR RGND6
WLAN_CE2_N E12 K2
PCMCIA_CE2_N pci_ad_10 RGND7
A10 E13 N11 R657 +1.8V_PCM K3
+3.3V_PCM R653 10K D7 pci_ad_9 pci_clkrun +3.3V_PCM RGND8
E14 pci_ad_8 E6 VDD2 RGND9 L1
D15

3349_GPIO20
D13 pci_ad_7 GNDPA1 L2
D5 C13 E8 M3
D14 pci_ad_6 R656 1K VDD4 GNDPA2
C12 pci_ad_5 K11 VDD5 pllgnd A3
D4 D12 +3.3V_PCM
D13 pci_ad_4
C14 pci_ad_3 L10 otp_vdd VSS2 F7
D3 D11 G5 G6
D12 pci_ad_2 4.7K VDDBUS1 VSS3

3349_GPIO14
B14 pci_ad_1 H5 VDDBUS2 VSS4 G7
D11 A14 J4 H6
pci_ad_0 VDDBUS3 VSS5
J5 VDDBUS4 VSS6 H7
BCM4318 K4 VDDIO1 VSS7 J6
R666 K5 J7
3349_GPIO20 VDDIO2 VSS8
K6 VDDIO3 VSSO1 F8
VESD K7 F9
VDDIO4 VSSO2
E11 vesd VSSO3 G8
1K(DNP) 3349_GPIO14 G9
VSSO4
VSSO5 H8
VSSO6 H9
VSSO7 J9
+3.3V_PCM J10
VSSO8

BCM4318
R649

3 1K 3

WLAN_WAIT_N R712 4.7K rbbu_pcmcia R713 4.7K
U602C
pcmcia pci_serr sdio_cmd R714 4.7K N10 E10
pcmcia_sel sdio_clk +3.3V_PCM
E5 UART_RX sdio_cmd B13
pci 0 x 1 +3.3V_PCM +1.8V F6 B12 +1.8V_PCM VDDPA
UART_RI sdio_data_0
E7 UART_DSR_L sdio_data_1 C10
cb 0 x 0 R716 10K K9 A13 R715 4.7K L606
R717 10K gpio_6 sdio_data_2
M10 gpio_7 sdio_data_3 D9
sdio 1 0 x K8 led_wlan_activity led_wlan_activity BLM15AG121SN1(BLM10A121S)
gpio_0 C752 C753
J8 led_wlan24_radiostate led_wlan24_radiostate
gpio_1 2.2uF 0.1UF
pcmcia 1 1 x U603 M9 led_wlan_other led_wlan_other
gpio_2
8 VCC CS 1 B11 sprom_cs gpio_3 P9
7 NC SK 2 E9 sprom_clk gpio_4 N9
C754 6 ORG DI 3 A12 sprom_dout gpio_5 L9

10K

10K

10K
R718

R719

R720
0.1UF 5 GND DO 4 B10 sprom_din
jtag_trst C3
AT93C46-10TI- 2.7V(燒錄) A6 VDDA1
tdo
tdi B5
C4 L607
tck
tms B4
BLM15AG121SN1(BLM10A121S)
C755 C756 C757 C758
BCM4318 2.2uF 0.1UF 1000PF 1000PF
R721
10K

VDDA2

L608

+3.3V_PCM BLM15AG121SN1(BLM10A121S)
C759 C760 C761 C762
2.2uF 0.1UF 1000PF 1000PF

C765 C771 C840 C841 C842 C772
C763 C764 C766 C767 C768 C769 C770 C843
0.01UF
1uF 10uF 0.01UF 0.1UF 0.01UF 0.1UF 0.01UF 2.2uF
0.1UF 0.022UF 0.022UF 0.01UF 0.01UF
2 2
VDDA3

L609
VESD
BLM15AG121SN1(BLM10A121S)
C773 C774 C775 C776
R722 0R
2.2uF 0.1UF 1000PF 1000PF
C777 C778 C779 C780 C781 C782 C783
1uF 10uF 0.01UF 0.01UF 0.1UF 0.01UF 0.1UF

VDDA4

L610

R724 0R BLM15AG121SN1(BLM10A121S)
C784 C785 C786 C787
2.2uF 0.1UF 1000PF 1000PF

R726 0R
+3.3V_PCM +1.8V_PCM
+1.8V_PCM

R751 0R
4

U604
3 2
ADJ TAB

C788 C789 C790 IN OUT C791 C792 C793 C794 C795 C796 C797 C798 C799 C800 C801
10uF 0.01UF 2.2uF 1uF 0.01UF 10uF 10uF 1uF 0.01UF 0.01UF 0.1UF 0.01UF 0.1UF 0.01UF R752 0R
R725
1.21K
1

SC1202CST-3.3 R753 0R

C802
R727 R754 0R
1000PF 523R

1 1

Title
BCM4318
Size Document Number R ev
A2 1
CHE260-D49(RoHS)
Date: Sheet 8 of 9

A B C D E

A B C D E

+3.3V_PCM

VDDA3 U602B
R728 2.87K P1 N1 C803 g_tx_out
R749 C804 BGREF PA_OUT 10pF
F5 CMOUT
4.7K 22PF C805 N4 J1 4318_rx_inp
2200PF CP_FB LNAINP 4318_rx_inn
LNAINN K1
R750 1K rf _dis_filt A8 rf_disable gphy_ant_seln
ant_seln D5
C832 C833 R729 4.7K A7 B7 gphy_ant_selp
0.01UF 10uF test_se ant_selp tr_sw_rx_pu
C5 ext_por tr_sw_rx_pu B6
MHF RECEP VERTICAL MHF RECEP VERTICAL C6 tr_sw_tx_pu
J602 J603 tr_sw_tx_pu gp hy_tx_pu
H4 RXP_Q tx_pu A9
gphy_rx_pu

RF

RF
4
2 . . 3 2 . . 3 G4 RXN_Q rx_pu A4 4
F3 RXP_I
F4

1

1
C807 C848 C849 RXN_I
27pF C1 B2 +3.3V_PCM
1.8PF 1.8PF TXP_Q xTEMPRSSI gphy_ tssi
C2 TXN_Q xTSSI2 D4

3
Y602 20MHz D2 P10 R732 100K
TXP_I xtak_pu gphy_ext_lna_gain
2 2 4 4 D1 B8

13
TXN_I gphy_ext_ina_gain
11g_xtalin P6

1
C838 C806 11g_xtalout XTALIN
P5 XTALOUT
10pF 33PF R730 A2
221R fref_2
ANTP1
BCM4318EKFBG-P20(Lead-Free)
C839 1
10pF
R733 R734

vcc_ f em
1M 1M

U901
5
VCC NC7SZ32P5X
tr_sw_rx_pu 1
4 isol_pin_ctrl1
gphy_ant_selp 2
+3.3V_PCM
GND
3
2

L611
U605

24
23
22
21
20
19
18
BLM18AG121SN1(BLM11A121S) U606
6 Cnpn Enpn 1
5 2 gphy_rx_pu

ANT_A

ANT_B
GDN
GDN
GDN

GDN
GDN
Bpnp Bnpn
4 3
1

R735 100R gphy_ant_selp Epnp Cpnp
1 GND C4 17
3 v cc_f em 2 16 R736 100R gphy_ant_seln UMD4N/NA 3
VCC3_3 C3 R737 100R tr_sw_tx_pu
3 VCC3_3 C2 15
C844 C808 C809 C810 4 SE2521A-R 14 R738 100R tr_sw_rx_pu v cc_f em R740 0R
10pF 10pF 0.1UF 10uF GND C1 R739 0R gphy_ tssi
5 13

vcc _lna
GND PD_OUT

RX_OUT
R741
TX_IN

TXEN
25
BIAS
GDN
GDN
GDN
GND

C811 C812 C813 C814 63.4R
6
7
8
9
10
11
12

6.8pF 6.8pF 6.8pF 6.8pF
g_tx_out gp hy_tx_pu C815 22PF C845 C816 18pF R742 2.2K C817 6.8pF

2
6.8pF
L901 R743 R744 R745
22nH 10R 1K 10R
C818
6.8pF
C847 C819 6.8pF C820 6.8pF

1

2

2
R901 200R
L612 L613
6.8pF 6.8nH 3.9NH F102

3
L615
C846
L614 2.0nH+-0.3nH 1 2 1.3nH 4318_rx_inp

1

1
1 2 D801 BAR88-02V C821 5.6pF 1 Q703 C822 5.6pF 1 4

1

1
SGA-8343 SE DIFF1 L619 L620
6 NC DIFF2 3
2

2
6.8pF 2 GND GND 5 2.7nH 2.7nH
C824 R768

4
2
L616 7.5R L902 C826 HHM1520 L617
0.75pF 22nH 22nH N/A C827 1 2 1.3nH 4318_rx_inn

2

2
5.6pF
2
1

1
D504 C825
SMP1340-079 5.6pF D505 BAR88-02V
1

isol_pin_ctrl1 R747 4.32K R748 4.32K gphy_ext_lna_gain

C829 C830
2 2
6.8pF 6.8pF
LNA
Components are not Populated for LNA bypass Option

1 1

Title
RF_FE
Size Document Number Rev
C 1
CHE260-D49(RoHS)
Date: Sheet 9 of 9
A B C D E

Document Created: 2007-08-28 17:18:36
Document Modified: 2007-08-28 17:18:36

© 2025 FCC.report
This site is not affiliated with or endorsed by the FCC