RF2489
Evaluation Board Schematic
JCDMA/GPS
IF@110MHz
VCC
BAND SEL
IP SET
50 Ω μstrip
J11
MIX L IN
C26
33 nF
C25
33 nF
C24
DNI
C27
33 nF
C23
33 nF
L11
47 nH
F2
4
6
3
GND GND
GND GND
C28
1
33 nF
VCC
IF SEL
VCC
R10
22 kΩ
R9
5.1 kΩ
C29
33 nF
C1
15 pF
C22
L1
220 nH
L10
DNI
11 nH
50 Ω μstrip
50 Ω μstrip
J1
J10
32
31
30
29
28
27
26
25
FM IF OUT
LNA L OUT
R2
0 Ω
C2
9 pF
C21
R3
DNI
L2
220 nH
R1
10 kΩ
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
1.8 pF
C3
15 pF
L9
47 nH
C4
15 pF
C20
33 nF
L16
1.5 nH
J9
VCC
LNA L IN
50 Ω μstrip
50 Ω μstrip
C19
33 nF
L4
220 nH
L3
220 nH
R4
10 kΩ
50 Ω μstrip
J2
CDMA IF OUT
C17
3 pF
R5
0 Ω
C6
9 pF
/2
R6
DNI
C5
15 pF
J8
LNA H IN
L12
5.1 nH
C30
33 nF
/2 SELECT
J3
L7
10 nH
50 Ω μstrip
LO IN
VCC
L6
3.9 nH
C16
33 nF
R8
68 Ω
50 Ω μstrip
J7
50 Ω μstrip
50 Ω μstrip
J4
LNA H OUT
HB LO OUT
C15
DNI
L13
2 nH
9
10
11
12
13
14
15
16
J5
LB LO OUT
C7
33 nF
C14
33 nF
L14
6.2 nH
VCC
ENABLE
LNA GAIN
MIX GAIN
C8
33 nF
C13
33 nF
2489310 Rev.
JCDMA/GPS
3
C9
33 nF
TX BUFF ENABLE
L5
47 nH
C12
DNI
F1
5
2
OUT
IN
C10
33 nF
C11
33 nF
P1
P2
1
P3
1
1
2
3
P1-1
P1-2
P1-3
P1-4
/2 SELECT
P2-1
P2-2
P2-3
P2-4
ENABLE
P3-1
C32
1 μF
VCC
GND
GND
+
2
3
TX BUFF ENABLE
MIX GAIN
2
IF SEL
50 Ω μstrip
IP SET
3
CON3
J6
MIX H IN
4
BAND SEL
4
LNA GAIN
CON4
CON4
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Rev A21 DS070308
15 of 30
RFMD [ RF MICRO DEVICES ]
