Asus WL-500b Specifications download pdf (Page 149)

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Title

Number RevisionSize

B

Date: 28-Apr-2003 Sheet of

File: C:\BCM94301MP_LAYOUT\..\BCM_RF.schDrawn By:

GND

1

32

RF

MECH MECH

J1

UFL_ANTENNA

2 5

+

1

-

3

LMV321

4

U14

LMV321

1 2

R28

20K 1%

1 2

R33

10K

12

R36

5.62k 1%

1 2

C110

0.1UF

1 2

C95

22PF

1 2

C14

100PF

1 2

C15

0.1UF

12

C100

10UF

vccpd

1 2

R35

22K6 1%

12

R34

56K

1 2

C109 5P6F

pdout

1 2

L11

MPZ2012S221A

12

L3

2N2H +-0.1nH

12

L1

5N6H +- 0.3nH

1 2

L12

1N8H +-0.3NH

1 2

L13

0 OHM

12

C25

0.5PF

12

C16

10PF

12

C17

10NF

12

C101

0.5PF

12

C108

1P5F

12

C27

0.1UF

12

C43

10UF

12

C33

33PF

1 2

L6

MPZ2012S221A

12

C11

10PF

1 2

C20

2PF

1 2

C12

10PF

tx_pu

vcc3_3

1 2

R30

15K

vccpa

vccpa

TLINE - Z = 68.4 OHMS(10MIL)

L = 110 mils

RF FRONT END

1 2

C32

1P5F

bpf_in

GND

bcm94301mp rev 7.3

4

bpf_in

(PG 3)

tx_pu

(PG 3)

vcc3_3

vcc3_3

vcc2051

pdout

(PG 3)

2

DET

1

VCTL

2

VEN

3

IN

4

VCC

5

VCC

6

NC

7

OUT/VCC2

8

GND

9

U3

SE2522L

TLINE

TLINE

12

R7

2K2 ,1%

12

C23

220pf

1.6

SHIELD

SB1

SHIELD

12

C9

33PF

12

C10

33PF

Antenna 1 (RF AUX)

1 2

R5

33

1 2

R6

33

1 2

C24

33PF

1 2

C26

33PF

1 2

C30

33PF

ANT_SELP

ANT_SELN 12

R9

33

12

R10

33

12

C34

33PF

1 2

C36

33PF

tr_sw_tx_pu

tr_sw_rx_pu

RFC

5

VC2

6

VC1

4

RF1

1

RF2

3

GND

2

U1

AS179P

RFC

5

VC2

6

VC1

4

RF1

1

RF2

3

GND

2

U4

AS179P

TRSW_RX

PA_OUT

TRSW_RX

tr_sw_tx_pu

(PG 4)

tr_sw_rx_pu

(PG 4)

ANT_SELN

ANT_SELP

(PG 4)

(PG 4)

12

CA1

?

1 2

CA3

7PF

12

LA1

?

12

CA2

?

1 2

CA4

7PF

12

LA2

?

Antenna 0 (RF MAIN)

12

C37 33PF

1 2

C72 7PF

Test Point

ANT1

INV-F

(original Ant_selP)

1 2 ... 144 145 146 147 148 149 150 151 152 153 154 ... 202 203

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