NJG1707PG1

- 7 -

nTYPICAL CHARACTERISTICS (ANTENNA SWITCH)

Measured on the PCB evaluation circuit, losses of circuits are eliminated.

-40

-35

-30

-25

-20

500

600

700

800

900

1000

ANT SW Isolation vs. Frequency

Frequency (MHz)

(Thru:RX-ANT1 , V

DD

=3.5V , V

SS

=0V)

RX-EXT1 Isolation

RX-ANT2 Isolation

RX-EXT2 Isolation

-40

-35

-30

-25

-20

500

600

700

800

900

1000

ANT SW Isolation vs. Frequency

Frequency (MHz)

(Thru:RX-EXT1 , V

DD

=3.5V , V

SS

=0V)

RX-ANT2 Isolation

RX-ANT1 Isolation

RX-EXT2 Isolation

-40

-35

-30

-25

-20

500

600

700

800

900

1000

ANT SW Isolation vs. Frequency

Frequency (MHz)

(Thru:RX-ANT2 , V

DD

=3.5V , V

SS

=0V)

RX-EXT1 Isolation

RX-ANT1 Isolation

RX-EXT2 Isolation

-40

-35

-30

-25

-20

500

600

700

800

900

1000

ANT SW Isolation vs. Frequency

Frequency (MHz)

(Thru:RX-EXT2 , V

DD

=3.5V , V

SS

=0V)

RX-EXT1 Isolation

RX-ANT2 Isolation

RX-ANT1 Isolation

-70

-60

-50

-40

-30

-20

-10

500

600

700

800

900

1000

ANT SW Isolation vs. Frequency

Frequency (MHz)

(Thru:TX-ANT1 , V

DD

=3.5V , V

SS

=-2.5V)

TX-ANT2 Isolation

TX-EXT2 Isolation

TX-EXT1 Isolation

TX-RX Isolation

-60

-55

-50

-45

-40

-35

-30

-25

-20

500

600

700

800

900

1000

ANT SW Isolation vs. Frequency

Frequency (MHz)

(Thru:TX-EXT1 , V

DD

=3.5V , V

SS

=-2.5V)

TX-ANT2 Isolation

TX-EXT2 Isolation

TX-ANT1 Isolation

TX-RX Isolation