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5-4
RF2402
Rev B1 010329
5
Application Schematic
Pin
Function
Description
Interface Schematic
10
GND1
Ground connection of the LO phase shift network. This pin should be
connected directly to the ground plane.
11
GND
Ground connection for other circuits. Keep traces short and connect to
ground plane immediately.
12
GND
Same as pin 11.
13
GND2
Ground connection for the RF output stage. A good ground connection
is especially important at this pin to avoid interference with other cir-
cuits.
14
RF OUT
50
Ω output. This pin carries a DC voltage, and an external blocking
capacitor is recommended.
RF OUT
1
2
3
4
5
6
7
14
13
12
11
10
9
8
POWER
CONTROL
Σ
33 pF
RF OUTPUT
33 pF
100 nF
100 nF
100
Ω
100
Ω
56
Ω
33 pF
LO INPUT
100
Ω
100
Ω
100 nF
V
DD
POWER
DOWN
I INPUT
Z
IN=100
V
REF
I INPUT
Z
IN=100
CMOS
50
Ωµstrip
50
Ωµstrip
+45°
-45°
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