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4-89
RF2314
Rev A3 990216
4
(Download Bill of Materials from www.rfmd.com.)
Pin
Function
Description
Interface Schematic
1GND
Ground connection. Keep traces physically short and connect immedi-
ately to ground plane for best performance.
2GND
Same as pin 1.
3RF IN
RF input pin. This pin is internally DC blocked and thus does not
require an external blocking capacitor. The input impedance of this pin
is internally matched to 50
Ω using resistive feedback.
4VCC
Supply connection. Generally, there is no need for an external bypass
capacitor.
See pin 3 schematic.
5RF OUT
RF output pin. The output impedance of this pin is internally matched to
50
Ω using resistive feedback.
See pin 3 schematic.
RF IN
RF OUT
300
Ω
VCC
1
2
3
5
4
RF IN
RF OUT
V
CC
1
2
3
5
4
50
Ω µstrip
50
Ω µstrip
RF OUT
J2
RF IN
J1
P1-1
NC
P1
VCC
GND
1
2
3
P1-1
C2
560 pF
C1
6.8
µF
+
2314400-
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