LTC5542 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC5542 Datasheet PDF : 16 Pages
| |||
LTC5542
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
1.9 2.0 2.1 2.2 2.3
2.4 2.5
2.6 2.7
RF FREQUENCY (GHz)
LO Leakage vs LO Frequency
–20
–30
LO-RF
–40
LO-IF
–50
–60
1.5 1.7 1.9 2.1 2.3 2.5 2.7
LO FREQUENCY (GHz)
RF Isolation vs RF Frequency
65
60
RF-LO
55
50
45
RF-IF
40
35
30
25
1.5 1.7 1.9 2.1 2.3 2.5 2.7
RF FREQUENCY (GHz)
5542 G04
5542 G05
5541 G06
2150MHz Conversion Gain, IIP3
and NF vs LO Power
28
20
IIP3
26
18
24
85°C 16
25°C
22
–40°C 14
20
12
18
10
16
NF 8
14
6
12
4
10 GC
2
8
0
–6 –4 –2 0
2
4
6
LO INPUT POWER (dBm)
5542 G07
2400MHz Conversion Gain, IIP3
and NF vs LO Power
27
20
25 IIP3
23
21
18
85°C
25°C
16
–40°C 14
19
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)
5542 G08
2650MHz Conversion Gain, IIP3
and NF vs LO Power
26
21
IIP3
24
19
22
85°C 17
25°C
20
–40°C 15
18
13
16
NF 11
14
9
12
7
10
5
8 GC
3
6
1
–6 –4 –2 0
2
4
6
LO INPUT POWER (dBm)
5542 G09
Conversion Gain, IIP3 and NF
vs Supply Voltage (Single Supply)
27
20
25 IIP3
23
21
18
85°C
25°C
16
–40°C 14
19
12
17
10
15
NF 8
13
11
9 GC
6
RF = 2400MHz
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)
5542 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
9 GC
RF = 2400MHz 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)
5542 G11
2400MHz Conversion Gain, IIP3
and RF Input P1dB vs Temperature
28
26
IIP3
24
22
RF = 2400MHz
20
VCCIF = 5.0V
18
VCCIF = 3.3V
16 P1dB
14
12
10 GC
8
6
–45 –25 –5 15 35 55 75 95
TEMPERATURE (°C)
5542 G12
5542f
5
Share Link: 