11 / 14 page

8-11
RF2861
Rev A2 040107
Evaluation Board Schematic
CDMA450 Band
C35
R2
L11
C17
L17
2.2 nH
TX BUFF
ENABLE
ENABLE
L24
5.6 nH
C9
2.2 pF
R6
6.8 k
Ω
R4
22 k
Ω
L3
33 nH
C2
33 nF
C25
33 nF
C6
33 nF
C7
33 nF
8
7
6
5
3
4
1
2
13
14
15
16
10
9
12
11
G1
L1
33 nH
C4
33 nF
C1
33 nF
C8
DNI
J3
CELL MIX IN
VCC
2.7 pF
J2
CELL LNA OUT
J1
CELL LNA IN
C55
33 nF
G2
C54
33 nF
C46
33 nF
J6
LO OUT
VCC
J5
LO IN
C3
C5
L6
VCC
C22
J4
CDMA IF
85
Freq IF
(MHz)
549
Freq LO
(MHz)
91
C3
(pF)
91
C5
(pF)
68
L11
(nH)
270
L6
(nH)
33
C22
(nF)
27
C17
(pF)
DNI
C35
(pF)
6.8
R2
(k
Ω)
P1
1
2
3
CON3
P1-1
VCC1
GND
GND
C20
1 uF
+
P2
1
2
3
4
CON4
P2-4
G2
P2-3
G1
P2-2
TX BUF EN
P2-1
ENABLE
L21
27 nH