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LT5517 Datasheet(PDF) 4 Page - Linear Technology

Part # LT5517
Description  40MHz to 900MHz Quadrature Demodulator
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT5517 Datasheet(HTML) 4 Page - Linear Technology

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LT5517
4
5517f
I/Q Output Power, IM3
vs RF Input Power
RF INPUT POWER (dBm)
–18
–100
–80
–60
–40
–20
0
20
–14
–10
–6
–2
5517 G04
2
TA = 85°C
TA = 25°C
TA = –40°C
f2XLO = 1602MHz
VCC = 5V
fRF1 = 799.9MHz
fRF2 = 800.1MHz
OUTPUT POWER
IM3
RF INPUT FREQUENCY (MHz)
0
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
TA = 85°C
TA = 25°C
TA = –40°C
P2XLO = –10dBm
fBB = 1MHz
VCC = 5V
RF INPUT FREQUENCY (MHz)
0
–6
–4
0
2
4
200
400 500
900
5517 G06
–2
100
300
600 700 800
6
TA = 85°C
TA = 25°C
TA = –40°C
P2XLO = –10dBm
fBB = 1MHz
VCC = 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
TA = 85°C
TA = 25°C
TA = –40°C
f2XLO = 1602MHz
VCC = 5V
CONV GAIN
fRF1 = 799.9MHz
fRF2 = 800.1MHz
2XLO INPUT POWER (dBm)
–15
10
12
14
–3
5517 G08
8
6
4
–12
–9
–6
0
fRF = 800MHz
fRF = 400MHz
fRF = 200MHz
fRF = 40MHz
TA = 25°C
VCC = 5V
2XLO INPUT POWER (dBm)
–15
0
4
8
12
16
20
24
IIP3
–12
–9
–6
–3
5517 G09
0
TA = 85°C
TA = 25°C
TA = –40°C
f2XLO = 1602MHz
VCC = 5V
fRF1 = 799.9MHz
fRF2 = 800.1MHz
CONV GAIN
IIP2 vs 2XLO Input Power
LO-RF Leakage
vs 2XLO Input Power
2XLO INPUT POWER (dBm)
–15
45
50
55
–6
0
5517 G10
40
35
30
–12
–9
–3
60
65
70
TA = 85°C
TA = 25°C
TA = –40°C
f2XLO = 1602MHz
VCC = 5V
2XLO INPUT POWER (dBm)
–15
–120
–110
–100
–90
–80
–70
–60
–12
–9
–6
–3
5517 G11
0
TA = 25°C
VCC = 5V
f2XLO = 1600MHz
f2XLO = 800MHz
f2XLO = 80MHz
2XLO-RF Leakage
vs 2XLO Input Power
2XLO INPUT POWER (dBm)
–15
–120
–110
–100
–90
–80
–70
–60
–12
–9
–6
–3
5517 G12
0
TA = 25°C
VCC = 5V
f2XLO = 1600MHz
f2XLO = 800MHz
f2XLO = 80MHz
TYPICAL PERFOR A CE CHARACTERISTICS
fRF = 800MHz, P2XLO = –10dBm, unless otherwise noted. (Test circuit shown in Figure 2)



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