njg1670lg3 New Japan Radio Co.,Ltd, njg1670lg3 Datasheet - Page 9

• Manufacturer Part Number: njg1670lg3
• Description: Sp10t Antenna Switch Gaas Mmic
• Manufacturer: New Japan Radio Co.,Ltd

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