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HFA3661 데이터 시트보기 (PDF) - Intersil
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HFA3661
2.0GHz to 2.7GHz DownConverter
Intersil
HFA3661 Datasheet PDF : 5 Pages
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Typical Application Circuit
HFA3661
RF INPUT
2300MHz
50
Ω
V
CC
C3
270pF
C1
2.2
µ
F
LNA_V
CC
1
GND
2
C5
100pF
LNA_OUT
3
GND
4
C6
270pF
LNA_V
CC
5
GND
6
LNA_IN
7
C7
7pF
GND
8
C8
270pF
RXM_V
CC
9
RX_PE
10
-3dB/50
Ω
BPF
IMAGE REJECT
FILTER
C2
2200pF
LNA
RXM
BIAS
RECEIVE
ENABLE
200pF
AMPLIFIER
DISABLE
270pF
C4
LNA_PD
20
100pF
GND
19
RXM_RF
L3
18
C9
RXM_V
CC
17
LO_BY
16
LO_IN
15
C11
22pF
GND
14
C10
270pF
27pF
C17
C12
7pF
BYP_CAP1
C13
13
1000pF
IF_OUT
12
L1
L2
BYP_CAP2
11
C15
C14
1000pF
C16
1000pF
LO INPUT
2230MHz
50
Ω
IF OUTPUT
70MHz
50
Ω
IF MATCH
L1 L2
C15
FREQ = 70MHz 150nH 120nH 42-46pF
MIXER INP MATCH
FREQ = 2 - 2.7GHz
L3
3.3nH
C9
4.7pF
L3, C9 OPTIMUM MATCH TO 2.4GHz
4-5
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