NJG1707PG1
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TYPICAL CHARACTERISTICS (ANTENNA SWITCH)
Measured on the PCB evaluation circuit, losses of circuits are eliminated.
ANT SW Isolation vs. Frequency
ANT SW Isolation vs. Frequency
(Thru:TX-ANT1 , V =3.5V , V =-2.5V)
(Thru:TX-EXT1 , V =3.5V , V =-2.5V)
DD
SS
DD
SS
-10
-20
-30
-40
-50
-60
-70
-20
-25
-30
-35
-40
-45
-50
-55
-60
TX-EXT1 Isolation
TX-ANT1 Isolation
TX-RX Isolation
TX-RX Isolation
TX-EXT2 Isolation
TX-EXT2 Isolation
TX-ANT2 Isolation
TX-ANT2 Isolation
500
600
700
800
900
1000
500
600
700
800
900
1000
Frequency (MHz)
Frequency (MHz)
ANT SW Isolation vs. Frequency
ANT SW Isolation vs. Frequency
(Thru:RX-ANT2 , V =3.5V , V =0V)
(Thru:RX-ANT1 , V =3.5V , V =0V)
DD
SS
DD
SS
-20
-25
-30
-35
-40
-20
-25
-30
-35
-40
RX-EXT2 Isolation
RX-EXT1 Isolation
RX-EXT2 Isolation
RX-EXT1 Isolation
RX-ANT1 Isolation
RX-ANT2 Isolation
500
600
700
800
900
1000
500
600
700
800
900
1000
Frequency (MHz)
Frequency (MHz)
ANT SW Isolation vs. Frequency
ANT SW Isolation vs. Frequency
(Thru:RX-EXT1 , V =3.5V , V =0V)
(Thru:RX-EXT2 , V =3.5V , V =0V)
DD
SS
DD
SS
-20
-25
-30
-35
-40
-20
-25
-30
-35
-40
RX-ANT1 Isolation
RX-ANT1 Isolation
RX-EXT2 Isolation
RX-ANT2 Isolation
RX-ANT2 Isolation
RX-EXT1 Isolation
500
600
700
800
900
1000
500
600
700
800
900
1000
Frequency (MHz)
Frequency (MHz)
- 7 -
NJRC [ NEW JAPAN RADIO ]
