參數(shù)資料
型號(hào)： LT5520
廠商： Linear Technology Corporation
英文描述： 40MHz to 900MHz Quadrature Demodulator
中文描述： 高達(dá)40MHz至900MHz正交解調(diào)器
文件頁(yè)數(shù)： 4/12頁(yè)
文件大?。?/td> 208K
代理商： LT5520
LT5517
4
5517f
I/Q Output Power, IM3
vs RF Input Power
RF INPUT POWER (dBm)
–18
–100
P
O
,
–80
–60
–40
–20
0
20
–14
–10
–6
–2
5517 G04
2
T
A
= 85
°
C
T
A
= 25
°
C
T
A
= –40
°
C
f
2XLO
= 1602MHz
V
CC
= 5V
f
RF1
= 799.9MHz
f
RF2
= 800.1MHz
OUTPUT POWER
IM3
RF INPUT FREQUENCY (MHz)
0
G
0
0.20
0.40
800
5517 G05
–0.20
–0.40
–0.80
200
400
600
100
300
500
700
900
–0.60
0.80
0.60
T
A
= 85
°
C
T
A
= 25
°
C
T
A
= –40
°
C
P
2XLO
= –10dBm
f
BB
V
CC
= 5V
RF INPUT FREQUENCY (MHz)
0
–6
P
–4
0
2
4
200
400 500
900
5517 G06
–2
100
300
600 700 800
6
T
A
= 85
°
C
T
A
= 25
°
C
T
A
= –40
°
C
P
2XLO
= –10dBm
f
BB
V
CC
= 5V
I/Q Gain Mismatch
vs RF Input Frequency
I/Q Phase Mismatch
vs RF Input Frequency
Conv Gain, IIP3 vs Supply Voltage
NF vs 2XLO Input Power
Conv Gain, IIP3
vs 2XLO Input Power
SUPPLY VOLTAGE (V)
4.5
16
20
28
5.25
5517 G07
12
8
4.75
5
5.5
4
0
24
IIP3
C
T
A
= 85
°
C
T
A
= 25
°
C
T
A
= –40
°
C
f
2XLO
= 1602MHz
V
CC
= 5V
CONV GAIN
f
RF1
= 799.9MHz
f
RF2
= 800.1MHz
2XLO INPUT POWER (dBm)
–15
N
10
12
14
–3
5517 G08
8
6
4
–12
–9
–6
0
f
RF
= 800MHz
f
RF
= 400MHz
f
RF
= 200MHz
f
RF
= 40MHz
T
A
= 25
°
C
V
CC
= 5V
2XLO INPUT POWER (dBm)
–15
0
C
4
8
12
16
20
24
IIP3
–12
–9
–6
–3
5517 G09
0
T
A
= 85
°
C
T
A
= 25
°
C
T
A
= –40
°
C
f
2XLO
= 1602MHz
V
CC
= 5V
f
RF1
= 799.9MHz
f
RF2
= 800.1MHz
CONV GAIN
IIP2 vs 2XLO Input Power
LO-RF Leakage
vs 2XLO Input Power
2XLO INPUT POWER (dBm)
–15
I
45
50
55
–6
0
5517 G10
40
35
30
–12
–9
–3
60
65
70
T
A
= 85
°
C
T
A
= 25
°
C
T
A
= –40
°
C
f
2XLO
= 1602MHz
V
CC
= 5V
2XLO INPUT POWER (dBm)
–15
–120
L
–110
–100
–90
–80
–70
–60
–12
–9
–6
–3
5517 G11
0
T
A
= 25
°
C
V
CC
= 5V
f
2XLO
= 1600MHz
f
2XLO
= 800MHz
f
2XLO
= 80MHz
2XLO-RF Leakage
vs 2XLO Input Power
2XLO INPUT POWER (dBm)
–15
–120
2
–110
–100
–90
–80
–70
–60
–12
–9
–6
–3
5517 G12
0
T
A
= 25
°
C
V
CC
= 5V
f
2XLO
= 1600MHz
f
2XLO
= 800MHz
f
2XLO
= 80MHz
TYPICAL PERFOR U
f
RF
= 800MHz, P
2XLO
= –10dBm, unless otherwise noted. (Test circuit shown in Figure 2)
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