RF2489 Ver la hoja de datos (PDF) - RF Micro Devices
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RF2489 Datasheet PDF : 16 Pages
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RF2489
Preliminary
Evaluation Board Schematic
IF @ 184 MHz
(Download Bill of Materials from www.rfmd.com.)
8
VCC
BAND SEL
IP SET
IF SEL
VCC
J1
FM IF OUT
50 Ω µstrip
R3
DNI
C2
7 pF
L1
C1
270 nH 6.8 pF
R2
0Ω
L2
R1
120 nH 10 kΩ
C26
33 nF
C27
33 nF
C28
33 nF
C29
33 nF
32
31
30
29
1
C25
C24
33 nF
DNI
L11
47 nH
C23
33 nF
R10
20 kΩ
R9
5.1 kΩ
28
27
26
25
24
VCC
L10
10 nH
F2
6 GND GND 4
3 GND GND 1
C22
DNI
C21
1.8 pF
VCC
J2
CDMA IF OUT
/2 SELECT
J3
LO IN
J4
HB LO OUT
J5
LB LO OUT
VCC
ENABLE
C3
6.8 pF
C4
2
6.8 pF
3
50 Ω µstrip
L4
L3
R4
270 nH 120 nH
10 kΩ
4
R6
C6
DNI
7 pF
R5
0Ω
/2
C5
6.8 pF
5
C30
33 nF
6
23
L16
1.5 nH
22
L9
47 nH
C20
33 nF
21
C19
C17
R12
33 nF
33 nF
0Ω
20
L12
C18
19
7.5 nH 1 pF
50 Ω µstrip
50 Ω µstrip
50 Ω µstrip
R8
68 Ω
L13
2 nH
L14
2 nH
7
18
8
9
C7
33 nF
17
10
11
12
13
14
15
16
C14
33 nF
L7
7.5 nH
R11
C31
0Ω
0.5 pF
L6
1 nH
L15
15 nH
C15
C16
DNI 33 nF
C8
33 nF
C13
33 nF
2489310 Rev. 1
C9
33 nF
TX BUFF ENABLE
P1-1
P1
1 /2 SELECT
P1-2 2 IF SEL
P1-3 3 IP SET
P1-4 4 BAND SEL
CON4
P2-1
P2
1 ENABLE
C32 +
1 µF
P3
P3-1
1
VCC
P2-2 2 TX BUFF ENABLE
2 GND
P2-3 3 MIX GAIN
P2-4 4 LNA GAIN
CON4
3 GND
CON3
L5
47 nH
C10
33 nF
C11
33 nF
C12
F1
DNI
5 OUT
IN 2
50 Ω µstrip
J6
MIX H IN
50 Ω µstrip
50 Ω µstrip
50 Ω µstrip
50 Ω µstrip
50 Ω µstrip
J11
MIX L IN
J10
LNA L OUT
J9
LNA L IN
J8
LNA H IN
VCC
J7
LNA H OUT
LNA GAIN
MIX GAIN
8-44
Rev A10 011017
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