LT5516 Ver la hoja de datos (PDF) - Linear Technology
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LT5516 Datasheet PDF : 12 Pages
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LT5516
TYPICAL PERFOR A CE CHARACTERISTICS
(Test circuit optimized for 900MHz operation as shown in Figure 2)
LO-RF Leakage vs LO Input Power
–55
TA = 25°C
VCC = 5V
R1 = 8.2Ω
–60
fRF = 900MHz
–65
fRF = 1300MHz
–70
fRF = 1100MHz
–75
–80
–14
–12 –10 –8 –6 –4 –2
LO INPUT POWER (dBm)
5516 G11
RF, LO Port Return Loss vs
Frequency
0
–5
RF
–10
LO
–15
–20
–25 TA = 25°C
VCC = 5V
R1 = 8.2Ω
–30
0
0.5
1
1.5
FREQUENCY (GHz)
2
2.5
5516 G13
Conv Gain, NF, IIP3 vs R1
25
TA = 25°C PLO = –5dBm
VCC = 5V fLO = 901MHz
20
IIP3
15
NF
10
CONV GAIN
5
0
3
4
5
6
7
R1 (Ω)
89
5516 G15
RF-LO Isolation vs RF Input Power
80
fRF = 1100MHz
70
fRF = 1300MHz
60
fRF = 900MHz
50
40
30 TA = 25°C
VCC = 5V
R1 = 8.2Ω
20
–15 –10 –5
0
5
10
RF INPUT POWER (dBm)
5516 G12
Conv Gain vs Baseband Frequency
8
6
TA = – 40°C
4
TA = 85°C
2
TA = 25°C
0
–2 fLO = 1000MHz
VCC = 5V
R1 = 8.2Ω
–4
0.1
1
10
100
BASEBAND FREQUENCY (MHz)
1000
5516 G14
Supply Current, IIP2 vs R1
150
TA = 25°C PLO = –5dBm
VCC = 5V fLO = 901MHz
130
SUPPLY CURRENT
110
90
70
IIP2
50
30
345
6
7
R1 (Ω)
89
5516 G16
5516fa
6
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