LTC5541IUH-TRPBF データシートの表示（PDF） - Linear Technology
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LTC5541IUH-TRPBF Datasheet PDF : 16 Pages
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LTC5541
TYPICAL AC PERFORMANCE CHARACTERISTICS High-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
25
IIP3
23
21
19
17
15
13
11
SSB NF
9
7
1250
GC
1350 1450 1550 1650 1750
RF FREQUENCY (MHz)
1850
5541 G19
1450MHz Conversion Gain, IIP3
and NF vs LO Power
26
18
IIP3
24
16
22
14
20
12
18
10
16
NF 8
14
12
10 GC
85°C 6
25°C
–40°C 4
2
8
0
–6 –4 –2 0
2
4
6
LO INPUT POWER (dBm)
5541 G22
2-Tone IF Output Power, IM3 and
IM5 vs RF Input Power
20
10
IFOUT
0
–10
RF1 = 1599MHz
–20 RF2 = 1601MHz
–30 LO = 1790MHz
–40
–50
–60
IM3
IM5
–70
–80
–12 –9 –6 –3 0
3
6
RF INPUT POWER (dBm/TONE)
5541 G24
1450MHz Conversion Gain, IIP3
and RF Input P1dB vs Temperature
25
23 IIP3
21
19
VCCIF = 5.0V
17
VCCIF = 3.3V
15
13
11 P1dB
9
GC
7
–45 –25 –5 15 35 55 75 95
TEMPERATURE (°C)
5541 G20
1600MHz Conversion Gain, IIP3
and NF vs LO Power
27
20
25 IIP3
18
23
16
21
14
19
12
17
15
13
11
9 GC
10
NF
8
85°C
25°C
6
–40°C 4
2
7
0
–6 –4 –2 0
2
4
6
LO INPUT POWER (dBm)
5541 G22b
Single-Tone IF Output Power, 2 × 2
and 3 × 3 Spurs vs RF Input Power
20
IFOUT
10 (RF = 1600MHz)
0
LO = 1790MHz
–10
–20
–30
3LO-3RF
–40
(RF = 1726.67MHz)
–50
2LO-2RF
–60
(RF = 1695MHz)
–70
–80
–12 –9 –6 –3 0 3 6 9 12 15
RF INPUT POWER (dBm)
5541 G25
1750MHz Conversion Gain, IIP3
and RF Input P1dB vs Temperature
25
23 IIP3
21
19
VCCIF = 5.0V
17
VCCIF = 3.3V
15
13 P1dB
11
9
7 GC
–45 –25 –5 15 35 55 75 95
TEMPERATURE (°C)
5541 G21
1750MHz Conversion Gain, IIP3
and NF vs LO Power
25 IIP3
18
23
16
21
14
19
12
17
10
NF
15
8
13
11
9 GC
85°C 6
25°C
–40°C 4
2
7
0
–6 –4 –2 0
2
4
6
LO INPUT POWER (dBm)
5541 G23
2 × 2 and 3 × 3 Spur Suppression
vs LO Power
–50
RF = 1600MHz
PRF = –10dBm
–55
LO = 1790MHz
–60
–65
2LO-2RF
(RF = 1695MHz)
–70
–75
–80
–6
3LO-3RF
(RF = 1726.67MHz)
–4 –2 0
2
4
6
LO INPUT POWER (dBm)
5541 G26
5541f
7
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