NJG1521PE1
nRECOMMENDED CIRCUIT(TX-ANT1 PASSING)
0V/3V
CTL3
0V/3V
CTL2
0V/3V
CTL1
R3(*)
R2(*)
R1(*)
W
100k
C2
1000pF
W
100k
C1
1000pF
W
100k
VSS
DD
V
3.5V
-2.5V
5
6
4
3
2
1
7
24
23
22
21
20
19
ANT-SW
DECORDER
8
9
EXT2
EXT1
C8
W
50
56pF
C10
5pF
10
11
12
(TER1)
C7
56pF
W
50
RX
TX
C3
W
50
C6
L2
W
50
15
16
17
18
13
14
L1
C9
10pF
C5
56pF
C4
56pF
(TER2)
ANT2
ANT1
C6
C3
22pF(800MHz)
9pF(1.5GHz)
L2
16pF(800MHz)
7pF(1.5GHz)
L1
W
50
W
50
22nH(800MHz)
8.2nH(1.5GHz)
15nH(800MHz)
6.8nH(1.5GHz)
(*) If the voltage level of CTL1~CTL3 is unstable, please connect R1~R3 with GND or VDD respectively.
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