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零件编号
产品描述 (功能)
LT5502 查看數據表(PDF) - Linear Technology
零件编号
产品描述 (功能)
比赛名单
LT5502
400MHz Quadrature IF Demodulator with RSSI
Linear Technology
LT5502 Datasheet PDF : 12 Pages
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LT5502
TYPICAL APPLICATIO S
I
OUT+
I
OUT–
V
CC2
Q
OUT+
Q
OUT–
R8
51.1k
R9
51.1k
C10
C13
J2
R7
49.9
1
µ
F
6
7
+
3
1
µ
F
U2
I
OUT
LT1809CS
4
–
2
R6
2.55k
C11
1
µ
F
R10
C12
5.11k
1.8pF
J1
IF
IN
T1
JTX-4-10T
1
6
R3
C5
240
Ω
22nF
1:4
MINI-CIRCUIT
V
CC2
1 = EN
2 = STBY
C23
1
µ
F
R2
20k
R1
20k
SW1
C9
C24
C25
C20
1
µ
F
10
µ
F
10
µ
F
1
µ
F
V
CC1
C1
C2
1
µ
F
1nF
1
2
3
I
OUT+
I
OUT–
GND
4
5
V
CC
GND
6
IF
+
7
IF
–
8
GND
9
GND
10
EN
11
STBY
12
IFt
+
U1
LT5502
÷
2
Q
OUT+
Q
OUT–
24
23
22
V
CC
21
GND
20
GND
2XLO
+
2XLO
–
19
18
17
V
CC
16
V
CC
15
RSSI
14
GND
IFt
–
13
L1
C8
IF INTERSTAGE
R17
OPTIONAL CIRCUIT
C19
22nF
5502 F02
R14
51.1k
R15
51.1k
C14
1
µ
F
R12
C15
2.55k
1
µ
F
C3
1nF
3
7
U3
LT1809CS
2
4
C17
1
µ
F
R16
6
49.9
C16
R13
1.8pF
5.11k
T2
JTX-4-10T
R4
240
Ω
6
1
RSSI
4:1
MINI-CIRCUIT
C18
1
µ
F
C4
C7
1nF
1.8pF
J3
Q
OUT
J4
2XLO
Figure 3. Evaluation Circuit Schematic With I/Q Output Buffers
8
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