LTC5569 查看數據表（PDF） - Linear Technology
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LTC5569 Datasheet PDF : 20 Pages
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LTC5567
Typical Performance Characteristics 400MHz to 500MHz application. Test circuit shown in
Figure 1. VCC = 3.3V, PLO = 0dBm, PRF = –6dBm (–6dBm/tone for 2-tone IIP3 tests, ∆f = 2MHz), IF = 153MHz unless otherwise noted.
Conversion Gain, IIP3 and NF vs
RF Frequency
27
25 IIP3
23
21 HIGH SIDE LO
19 TC = 25°C
17
15 NF
13
11
9
7
5
3 GC
1
400
425
450
475
RF FREQUENCY (MHz)
500
5567 G29
450MHz Conversion Gain,
IIP3 and NF vs LO Power
27
24 IIP3
21
HIGH SIDE LO
18
NF
15
TC = 85°C
TC = 25°C
TC = –40°C
12
9
6
3 GC
0
–6 –4 –2 0
2
4
6
LO INPUT POWER (dBm)
5567 G30
3GHz to 4GHz application. Test circuit shown in Figure 1.
RF Isolation and LO Leakage
vs RF and LO Frequency
70
RF-IF
65
TC = 25°C 0
–10
60
RF-LO
55
50
–20
–30
LO-IF
–40
45
–50
40
LO-RF
–60
35
–70
30
400
–80
450 500 550 600 650 700
RF/LO FREQUENCY (MHz)
5567 G31
Conversion Gain, IIP3 and NF
vs RF Frequency
28
26
24 IIP3
22
LOW SIDE LO
20
TC = 25°C
18
16 NF
14
12
10
8
6
4
2 GC
0
3.0 3.2 3.4 3.6 3.8 4.0
RF FREQUENCY (GHz)
5567 G32
RF Isolation vs RF Frequency
60
50
RF-LO
40
30
20
10 TC = 25°C
0
–10
–20
RF-IF
–30
–40
3.0
3.2 3.4 3.6 3.8 4.0
RF FREQUENCY (GHz)
5567 G35
8
3500MHz Conversion Gain,
IIP3 and NF vs LO Power
27
24 IIP3
21
18 NF
15
RF = 3.5GHz
LOW SIDE LO
12
9
6
3 GC
TC = 85°C
TTCC
=
=
25°C
–40°C
0
–6 –4 –2 0
2
4
6
LO INPUT POWER (dBm)
5567 G33
LO leakage vs LO Frequency
–20
TC = 25°C
–25
–30
–35
–40
LO-IF
–45
–50
LO-RF
–55
–60
2.6
2.9 3.2 3.5 3.8
LO FREQUENCY (GHz)
4.1 4.4
5567 G36
3500MHz Conversion Gain,
IIP3 and NF vs Supply Voltage
27
24 IIP3
21
18
NF
15
RF = 3.5GHz
LOW SIDE LO
12
9
6
3 GC
TTTCCC
=
=
=
85°C
25°C
–40°C
0
3.0 3.1 3.2 3.3 3.4 3.5 3.6
VCC SUPPLY VOLTAGE
5567 G34
Conversion Gain, IIP3 and RF
Input P1dB vs Temperature
28
26 IIP3
24
22
20
RF = 3500MHz
LOW SIDE LO
18
16
14 NF
12
10
8 P1dB
6
4 GC
2
0
–45 –15 15
45
75 105
CASE TEMPERATURE (°C)
5567 G37
5567f
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