RF5389 Datasheet, PDF (9/14 Pages) RF Micro Devices – 3.3V, DUAL-BAND FRONT-END MODULE

RF5389
PA EN_a
TX_a
R4
12 Ω
C13
10 pF
50 Ω μstrip
Application Schematic
C1 VCC1
4.7 uF
C6
1 nF
R2
56 Ω
C4
1 uF
L1
5.6 nH
C7
1 nF
R1
6.8 Ω
L2
5.6 nH
C9
1 uF
C8
4.7 pF
40
39
38
37
36
35
34
33
32
1
C2
10 pF
C5
1 nF
31
30
2
29
C11
18 pF
R3
1 kΩ
C12
18 pF
TX_g
PA EN_g
RX_g1
RX_a1
LNA VCC1
RX_g2
RX_a2
LNA VCC2
BT
50 Ω μstrip
50 Ω μstrip
3
50 Ω μstrip
4
R5
0Ω
C18
10 pF
5
C19
10 pF
50 Ω μstrip
6
7
28
L3
3.9 nH
27
C32
C15
C30
1 nF
N/U
N/U
26
R6
1 kΩ
25
C17
0.5 pF
24
50 Ω μstrip
8
23
9
22
C27
10 pF
C21
1 nF
10
21
11
12
13
14
15
16
17
18
19
20
50 Ω μstrip
50 Ω μstrip
C25
1 nF
C20
10 pF
C22
0.5 pF
R7
1 kΩ
R8
1 kΩ
50 Ω μstrip
C28
10 pF
50 Ω μstrip
C29 R9
10 pF 1 kΩ
NOTES:
1. It is recommended that C32 is placed close to pins 26 and 27.
2. It is recommended that C9 is placed close to pin 34.
3. It is recommended that C8 is placed close to pin 37.
4. It is recommended that C17 is placed close to pin 25, and C22 placed close to pin 22.
PDET_a
PDET_g
VCC1
SW1
ANT1
SW2
SW3
ANT2
SW4
Rev A2 DS071130
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