njg1663k44 New Japan Radio Co.,Ltd, njg1663k44 Datasheet - Page 11

• Manufacturer Part Number: njg1663k44
• Description: X-sp4t Switch Gaas Mmic
• Manufacturer: New Japan Radio Co.,Ltd

TEST PCB LAYOUT
PRECAUTIONS
[1]
[2]
[3]
The DC blocking capacitors (C1~C10) have to be placed at RF terminal of PCA, PCB, P1A, P2A, P3A, P4A, P1B,
P2B, P3B, and P4B.
To reduce strip line influence on RF characteristics, please locate bypass capacitor (C11) close to VDD terminal.
For good isolation, the GND terminal must be connected to the ground plane of substrate, and through-holes for
GND should be placed near by the pin connection.
P4B
P4A
P3A
PCA-P1A, PCB-P1B
PCA-P3A, PCB-P3B
PCA-P2A, PCB-P2B
PCA-P4A, PCB-P4B
P3B
Paths
Losses of PCB, capacitors and connectors
P2B
Frequency (GHz)
C7
C8
C9
(TOP VIEW)
C10
1.0
2.0
2.7
1.0
2.0
2.7
C1
C2
C3
C11
C4
P2A
C5
C6
PCB:
Capacitor Size: 1005
Strip Line Width: 0.4mm
PCB Size:
Loss (dB)
0.49
0.79
0.98
0.45
0.77
0.95
P1A
NJG1663K44
FR-4, t=0.2mm
53 x 40mm
PCA
P1B
PCB
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