RF2495 데이터 시트보기 (PDF) - RF Micro Devices
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RF2495 Datasheet PDF : 6 Pages
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RF2495
VCC1
J1
LNA IN
ATTN
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
P1-1
P1
1 VCC1
2 GND
P1-3 3 ENABLE
CON3
P2-1
P2
1 VCC2
2 GND
P2-3 3 ATTN
CON3
R1
10 Ω
+ C2
4.7 µF
50 Ω µstrip
C4
C3
0.01 µF 47 pF
C14
4.7 pF
C1
22 nF
L1
12 nH
1
2
3
Switched
Attenuator
4
5
2495400A
Chip Power
ON/OFF
10
9
8
7
6
R3
330 Ω
C7
10 pF
L5
68 nH
L4
10 nH
L3
8.2 nH + 50 Ω µstrip
C12
2.2 nF
C9
6 pF
50 Ω µstrip
C11
10 pF
50 Ω µstrip
C2
2.4 pF
C10
5 pF
50 Ω µstrip
L2
10 nH
R2
10 Ω
C5
47 pF
ENABLE
J2
LO IN
J5
IF OUT
J4
RF IN
J3
LNA OUT
VCC2
8-284
Rev A4 030220
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