RF2494PCBA-H Ver la hoja de datos (PDF) - RF Micro Devices
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RF2494PCBA-H Datasheet PDF : 14 Pages
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RF2494
Preliminary
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
GS VCC4
J1
LNA IN
PD
VCC1, VCC2
L6
4.7 nH
50 Ω µstrip
C8
2 pF
C11
0.5 pF
C4
10 nF
C19
22 pF
C12
R1
0.5 pF 2.2 kΩ
L2
120 nH
C9
10 nF
R6
10 Ω
C5
10 nF
16 15 14
1
Bias
2 Circuits
LNA
13
12
11
3
RF AMP 10
4
9
5678
L1
100 nH
2494400-
C16
1 pF
L3
8.2 nH
C21
22 pF
C10
1.5 pF
L5
1.8 nH
C17
10 nF
C2
0.5 pF
C7
10 nF
50 Ω µstrip
R2
0Ω
R4*
0Ω
IN FL1
GND
OUT
R3
0Ω
50 Ω µstrip
R5*
0Ω
50 Ω µstrip
50 Ω µstrip
J2
LNA OUT
J4
MIX IN
VCC3
C6
10 nF
8
50 Ω µstrip
C15
C18
J3
50 Ω µstrip
22 pF
10 nF
IF OUT
50 Ω µstrip
RX EN
J5
LO IN
P1-1
C3
10 nF
P1
1 VCC1, VCC2
2 GND
P1-3 3 PD
CON3
P2-3
P2-1
P2
1 GS
2 GND
3 VCC4
C20 CON3
10 nF
P3-1
P3
1 VCC3
2 GND
P3-3 3 RX EN
CON3
* For cascaded configuration,
jumpers R2 and R3 need to be
installed with R4 and R5 taken out.
8-58
Rev A0 010730
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