LTC5541IUH データシートの表示（PDF） - Linear Technology
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LTC5541IUH Datasheet PDF : 16 Pages
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LTC5541
TYPICAL AC PERFORMANCE CHARACTERISTICS Low-Side LO
VCC = 3.3V, VCCIF = 3.3V, SHDN = Low, TA = 25°C, PLO = 0dBm, PRF = –3dBm (–3dBm/tone for two-tone IIP3 tests, Δf = 2MHz),
IF = 190MHz, unless otherwise noted. Test circuit shown in Figure 1.
Conversion Gain, IIP3 and NF
vs RF Frequency
28
IIP3
26
24
22
20
18
16
14
12
NF
10
8
GC
6
1.65 1.75 1.85 1.95 2.05 2.15 2.25
RF FREQUENCY (GHz)
LO Leakage vs LO Frequency
–20
–30
LO-IF
–40
LO-RF
–50
–60
1.2 1.4 1.6 1.8 2.0 2.2
LO FREQUENCY (GHz)
RF Isolation vs RF Frequency
65
60
RF-LO
55
50
45
40
RF-IF
35
30
25
1.3 1.5
1.7
1.9 2.1 2.3
RF FREQUENCY (GHz)
5541 G04
5541 G05
5541 G06
1750MHz Conversion Gain, IIP3
and NF vs LO Power
27
20
IIP3
25
18
23
85°C 16
21
25°C 14
–40°C
19
12
NF
17
10
15
8
13
6
11
4
GC
9
2
7
0
–6 –4 –2 0
2
4
6
LO INPUT POWER (dBm)
5541 G07
1950MHz Conversion Gain, IIP3
and NF vs LO Power
27
20
25 IIP3
23
21
19
18
85°C 16
25°C
–40°C 14
12
17
10
15
NF 8
13
6
11
4
9 GC
2
7
0
–6 –4 –2 0
2
4
6
LO INPUT POWER (dBm)
5541 G08
2150MHz Conversion Gain, IIP3
and NF vs LO Power
26
21
24 IIP3
22
20
18
19
85°C 17
25°C
–40°C 15
13
16
11
14
NF 9
12
7
10
5
8 GC
3
6
1
–6 –4 –2 0
2
4
6
LO INPUT POWER (dBm)
5541 G09
Conversion Gain, IIP3 and NF
vs Supply Voltage (Single Supply)
27
20
25 IIP3
23
21
19
18
85°C 16
25°C
–40°C 14
12
17
10
15
13
11
9 GC
NF 8
6
RF = 1950MHz
VCC = VCCIF 4
2
7
0
3.0 3.1 3.2 3.3 3.4 3.5 3.6
VCC, VCCIF SUPPLY VOLTAGE (V)
5541 G10
Conversion Gain, IIP3 and NF
vs IF Supply Voltage (Dual Supply)
29
22
27 IIP3
20
25
85°C 18
23
25°C 16
–40°C
21
14
19
NF
12
17
10
15
8
13
11
GC
9
RF = 1950MHz 6
VCC = 3.3V 4
2
7
0
3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4
VCCIF SUPPLY VOLTAGE (V)
5541 G11
1950MHz Conversion Gain, IIP3
and RF Input P1dB vs Temperature
28
26
24
IIP3
22
20
VCCIF = 5.0V
18
VCCIF = 3.3V
16
14
P1dB
12
10
8
GC
6
–45 –25 –5 15 35 55 75 95
TEMPERATURE (°C)
5541 G12
5541f
5
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