RF2705PCBA-41X View Datasheet(PDF) - RF Micro Devices
Part Name
Description
MFG CO.
'RF2705PCBA-41X' PDF : 24 Pages View PDF
RF2705
Evaluation Board Schematic
J2
I SIG P
J1
I SIG N
MODE B
50 Ω µstrip
50 Ω µstrip
VCC
MODE A
C1
1 nF
J3
HB LO
J6
LB LO
MODE C
MODE D
J8
Q SIG N
J9
Q SIG P
C6
5.6 pF
50 Ω µstrip
L1
3.9 nH
C4
1.8 pF
50 Ω µstrip
L6
22 nH
C13
3 pF
50 Ω µstrip
50 Ω µstrip
24
23
22
1
Note: The die flag is the
chip's main ground.
2
DIV +45°
3
2
-45°
4
Flo +45°
x2 -45°
5
Mode Control
and Biasing
6
7
8
9
21
20
19
18
17
16
Σ
15
14
Power
Control
13
10
11
12
C14 C15
10 nF 1 nF
GC
VCC
C7
12 pF
L2
2.2 nH
L3
2.2 nH
C12
1.3 pF
C2
4.3 pF
R1
1 kΩ
C3
4.3 pF
VCC
C11
22 pF
R2
430 Ω
L4
4.3 nH
L5
C5
4.3 nH
DNI
C9
R3
1.6 pF 430 Ω
C10
1.6 pF
50 Ω µstrip
T1
Murata
LDB211G9020C-001
J4
WB RF OUT
50 Ω µstrip
T2
Murata
LDB211G8020C-001
J5
HB RF OUT
VCC
C8
100 pF
L7
12 nH
L8
12 nH
C18
0.5 pF
C17
3.3 pF
R4
1 kΩ
C16
3.3 pF
50 Ω µstrip
T3
Murata
LDB21906M20C-001
J7
LB RF OUT
P1-1
P2
1 VCC
2 GND
P1-3 3 GC
CON3
P2-1
P1
1 MODE D
P2-2 2 MODE C
P2-3 3 MODE B
P2-4 4 MODE A
CON4
Rev A4 041026
5-133
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