NJG1520PE1
n
RECOMMENDED PCB DESIGN
EXT1
EXT2
TX
C7
C8
C1
C6 L2
C2
VSS
C9
C5
C4
NJG
ANT2
1520PE1
R3
CTL3
R2
CTL2
CTL1
VDD
C3
L1
R1
C10
GND
ANT1
PCB: FR-4, t= 0.2mm
Strip width: 0.4mm
RX
Board total Loss (Capacitor, Connector, and PCB)
Pass route
800MHz Band
(dB)
1.5GHz Band
(dB)
TX-ANT1
TX-EXT1
RX-ANT1
RX-ANT2
RX-EXT1
RX-EXT2
0.23
0.30
0.22
0.30
PARTS LIST
VALUE
COMMENT
800MHz Band 1.5GHz Band
R1-R3
100KW
1000pF
56pF
C1, C2
MURATA(GRM36)
MURATA(GRM36)
MURATA(GRM36)
MURATA(GRM36)
MURATA(GRM36)
MURATA(GRM36)
TAIYO-YUDEN(HK1005)
TAIYO-YUDEN(HK1005)
C4, C5, C7, C8
C3
C6
C9
C10
L1
16pF
22pF
7pF
9pF
10pF
5pF
15nH
22nH
6.8nH
8.2nH
L2
PRECAUTIONS
[1] The bypass capacitors should be connected to the VDD, VSS terminals as close as possible
respectively.
[2] For good RF performance, the ground terminals should be directly connected to the ground
patterns and through-holes as close as possible by using relativity wide pattern.
NJRC [ NEW JAPAN RADIO ]
