LT5515EUF データシートの表示（PDF） - Linear Technology
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LT5515EUF Datasheet PDF : 12 Pages
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LT5515
TYPICAL PERFOR A CE CHARACTERISTICS
(Test circuit optimized for 1.9GHz operation as shown in Figure 2)
Supply Current vs Supply Voltage
170
150
TA = 85°C
130
TA = 25°C
110
TA = – 40°C
90
70
4.0
4.5
5.0
SUPPLY VOLTAGE (V)
5.5
5515 ¥ G01
I/Q Output Power, IM3 vs
RF Input Power
20
fLO = 1901MHz
VCC = 5V
0
OUTPUT POWER
IM3
–20
TA = – 40°C
–40
TA = 25°C
–60
TA = 85°C
–80
–100
–16
–12 –8 –4 0
48
RF INPUT POWER (dBm)
5515 ¥ G04
Conv Gain, IIP3 vs
Supply Voltage
24
IIP3
TA = 85°C
20
TA = 25°C
16
TA = – 40°C
12
fLO = 1901MHz
8 PLO = –5dBm
4
CONV GAIN
0
TA = 25°C
TA = – 40°C
TA = 85°C
–4
4.0
4.5
5.0
5.5
SUPPLY VOLTAGE (V)
5515 ¥ G07
4
Conv Gain, NF, IIP3 vs
RF Input Frequency
25
IIP3
20
NF
15
PLO = –5dBm
10 TA = 25°C
VCC = 5V
5
0
CONV GAIN
–5
1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4
RF INPUT FREQUENCY (GHz)
5515 ¥ G02
I/Q Gain Mismatch vs
RF Input Frequency
1.4
fBB = 1MHz
PLO = –5dBm
1.0 VCC = 5V
TA = 85°C
0.6
TA = 25°C
TA = – 40°C
0.2
– 0.2
– 0.6
1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4
RF INPUT FREQUENCY (GHz)
5515 ¥ G05
NF vs LO Input Power
20
fRF = 2.1GHz
18
fRF = 1.7GHz
fRF = 1.9GHz
16
14
12
–12
TA = 25°C
VCC = 5V
–10 – 8 – 6 – 4 –2 0
LO INPUT POWER (dBm)
5515 ¥ G08
IIP2 vs RF Input Frequency
70
PLO = –5dBm
TA = 25°C
60 VCC = 5V
50
40
30
20
1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4
RF INPUT FREQUENCY (GHz)
5515 ¥ G03
I/Q Phase Mismatch vs
RF Input Frequency
6
fBB = 1MHz
PLO = –5dBm
4
2 TA = 85°C
TA = 25°C
0
– 2 TA = – 40°C
–4
–6
1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4
RF INPUT FREQUENCY (GHz)
5515 ¥ G06
Conv Gain, IIP3 vs
LO Input Power
24
IIP3
TA = 25°C
20
TA = – 40°C
TA = 85°C
16
12 fLO = 1901MHz
8 VCC = 5V
4
CONV GAIN
0
TA = 25°C
TA = – 40°C
–4
–12
TA = 85°C
–10 – 8 – 6 – 4 – 2 0
LO INPUT POWER (dBm)
5515 ¥ G09
5515fa
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