NJG1670LG3
ꢀ TEST PCB LAYOUT
Board total losses (Connector and PCB)
Frequwncy Loss
Mode
(MHz)
824
849
880
915
1710
1785
1850
1910
960
1990
960
1990
960
1990
960
1990
894
(dB)
0.31
0.32
0.32
0.34
0.49
0.51
0.53
0.53
0.34
0.55
0.34
0.55
0.34
0.53
0.34
0.55
0.33
0.34
0.55
0.59
0.33
0.34
0.55
0.59
0.33
0.33
0.53
0.56
0.33
0.34
0.55
0.59
(TOP VIEW)
TRX1
RX1
TX1
TX2
RX2
TRX2
RX1
RX2
RX3
RX4
C1
TRX3
RX3
RX4
L1
960
TRX1
TRX2
TRX3
TRX4
1990
2170
894
960
TRX4
1990
2170
894
960
1990
2170
894
960
1990
2170
ANT
TX2
TX1
PRECAUTIONS
[1] For good RF performance, the ground terminals should be directly connected to the ground patterns and
the through-holes as close as possible by using relatively wide pattern.
[2] Please connect exposed GND PADs (bottom side of IC) to PCB GND using through holes.
- 9 -
NJRC [ NEW JAPAN RADIO ]
