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RF3854
Rev A1 DS070313
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Application Schematic
7
6
5
4
3
2
1
12
11
10
9
8
18
17
16
15
14
13
23
22
21
20
19
24
Note: The die flag is the
chip's main ground.
+45°
-45°
Σ
DIV
2
+45°
-45°
Flo
x2
Mode Control
and Biasing
Power
Control
5.6 pF
V
CC
3.9 nH
LO HB
3 pF
22.0 nH
LO LB
MODE C
MODE D
Q SIG N
Q SIG P
GC
10 nF
1 nF
MODE B
I SIG N
I SIG P
1 nF
V
CC
12 nH
3.3 pF
V
CC
0.5 pF
1 k
Ω
3.3 pF
12 nH
RF OUT LB
4.3 nH
1.6 pF
V
CC
430
Ω
1.6 pF
V
CC
RF OUT HB
4.3 pF
V
CC
1 pF
1 k
Ω
4.3 pF
2.2 nH
RF OUT WB
MODE A
V
CC
V
CC
1.8 pF
2:1
T3
2:1
T1
2:1
T2
430
Ω
4.3 nH
2.2 nH
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