njg1548pc1 New Japan Radio Co.,Ltd, njg1548pc1 Datasheet - Page 10

• Manufacturer Part Number: njg1548pc1
• Description: Sp3t Switch Gaas Mmic
• Manufacturer: New Japan Radio Co.,Ltd

NJG1548PC1
- 10 -
[1] DC blocking capacitors have to be placed at ANT, RF1, RF2 and RF3 terminals.
[2] To reduce strip line influence on RF characteristics, please locate bypass capacitor (C5) close to VDD
[3]
RECOMMENDED PCB DESIGN
PRECAUTIONS
R2
R1
terminal.
To avoid degradation of isolation or high power characteristics, please GND terminals (1, 5, 6, 7, 9, 11, 13,
14, 15) must be placed close to grand plane of substrate and through holes for GND should be placed near
by the pin connection.
CTL2
CTL1
VDD
1pin MARK
BOARD TOTAL LOSS
PARTS LIST
R1, R2
C1~C4
C5
Parts
ANT
C5
RF1-ANT
RF2-ANT
RF3-ANT
(DC blocking capacitor, Connector and PCB)
Pass
(*1)
C3
C4
RF3
1000pF
100k
Value
56pF
C1
C2
(*1) If the voltage level of CTL1/CTL2 is unstable,
0.9GHz
0.18dB
RF1
RF2
please connect R1, R2 with GND or VDD respectively.
PCB SIZE = 26 x 26 mm
PCB: FR4, t=0.5mm
CAPACITOR: size 1005
STRIP LINE WIDTH = 1mm(Z
MURATA
(GRM15)
Notes
1.9GHz
0.27dB
o
=50 )