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RF2444 데이터 시트보기 (PDF) - RF Micro Devices
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RF2444
HIGH FREQUENCY LNA/MIXER
RF Micro Devices
RF2444 Datasheet PDF : 16 Pages
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RF2444
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
P1
1
GND
2 VCC1, VCC2
P2
1
GS
2 CE
3 GND
C17
4.7
µ
F
P3
1
VCC3
2 GND
3 OE
4 VCC4
C18
4.7
µ
F
C6
22 nF
C10
GS
22 pF
VCC4
J1
LNA IN
CE
VCC1
VCC2
1
16
50
Ω µ
strip
50
Ω µ
strip
LNA
2
15
C1
2 pF
3
Bias
Circuits
14
4
C3
3 pF
C11
22 nF
5
6
C4
R1
L2
3 pF 1k
Ω
220 nH
7
8
13
RF AMP
12
11
10
MIXER
9
50
Ω µ
strip
50
Ω µ
strip
C7
3 pF
C8
1.5 pF
L5
4.7 nH
50
Ω µ
strip
*R2
0
Ω
*R3
0
Ω
50
Ω µ
strip
*C15
22 pF
50
Ω µ
strip
Bandpass
Filter
*C16
22 pF
50
Ω µ
strip
L7
2.7 nH
C9
22 nF
J4
LNA OUT
J5
MIX IN
VCC3
50
Ω µ
strip
50
Ω
DIE FLAG (17)
OE
8
J3
IF OUT
C14
22 nF
L3
47 nH
50
Ω µ
strip
µ
strip
C19
4 pF
L1
6.8 nH
2444400 Rev. A
*For cascaded configuration, jumpers R2 and R3
need to be installed with C15 and C16 taken out.
C2
50
Ω
1 pF
*To test LNA and Mixer separately remove R2 and
R3, and fit C15 and C16.
µ
strip
J2
LO IN
50
Ω µ
strip
C5
10 pF
8-60
Rev A3 010717
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