RF2492 데이터 시트보기 (PDF) - RF Micro Devices
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RF2492 Datasheet PDF : 22 Pages
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Preliminary
RF2492
LO IN
VCC
VCC
IF1 OUT
VCC
Application Schematic
BAND SEL
120 Ω
X2 ENABLE
33 nF
VCC
C2
36 nH 2.2 nH
C1
47 nH
33 nF
33 pF
270 nH
8 pF
18 pF
180 nH
20 pF
33 nF
32
31
30
29
28
27
26
25
1
24
2
23
2
IN
33 nF
47 nH
3
22 VCO L OUT N
4
21 VCO L OUT P
5
20 VCO H OUT N
6
19 VCO H OUT P
F1
5
OUT
C1
LNA H IN
7
18
IF2 OUT
270 nH 180 nH
20 pF
8 pF
18 pF
8
9
17
10
11
12
13
14
15
16
47 nH
27 kΩ
33 nF
33 nF
7.5 nH C2
33 nF
IF SEL IP SET
VCC
LNA L IN LNA GAIN
MIX GAIN
NOTES:
1. C1's are not needed if filter DC impedance is open circuit (as is normally the case).
2. C2's are not needed if duplexer DC impedance is open circuit (as is normally the case).
3. IF interface shown is 50 Ω @ 110 MHz.
5.6 nH 4 pF
4 pF
VCC
LNA L OUT
C1
36
2
IN
5
OUT
1 4 F2
8
Rev A4 010828
8-41
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