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LT5557 Datasheet(PDF) 6 Page - Linear Technology

Part # LT5557
Description  400MHz to 3.8GHz 3.3V High Signal Level Downconverting Mixer
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT5557 Datasheet(HTML) 6 Page - Linear Technology

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6
LT5557
5557fa
VCC = 3.3V, Test circuit shown in Figure 1.
900MHz application (with external RF/LO matching), 140MHz IF output, PRF = –6dBm (–6dBm/tone for 2-tone IIP3 tests, Δf = 1MHz),
low-side LO at 0dBm, unless otherwise noted.
Conversion Gain, IIP3 and NF vs
RF Frequency
900MHz Conversion Gain, IIP3 and
NF vs LO Power
IFOUT, 2 × 2 and 3 × 3 Spurs
vs RF Input Power (Single-Tone)
Conversion Gain, IIP3 and SSB
NF vs RF Frequency
2.6GHz Conversion Gain, IIP3 and
NF vs LO Power
LO Leakage and RF Isolation vs
LO and RF Frequency
Conversion Gain, IIP3 and SSB NF
vs RF Frequency
3.6GHz Conversion Gain, IIP3 and
SSB NF vs LO Power
RF FREQUENCY (MHz)
750
14
22
28
950
5557 G16
10
6
12
18
26
24
20
16
8
4
2
800
850
900
1050
1000
LOW-SIDE LO
TA = 25°C
IF = 140MHz
IIP3
SSB NF
GC
LO INPUT POWER (dBm)
13
27
5557 G17
9
5
11
17
19
21
23
25
15
7
3
1
LOW-SIDE LO
IF = 140MHz
IIP3
SSB NF
GC
–40
°C
25
°C
85
°C
LO INPUT POWER (dBm)
–9
12
20
26
–1
5557 G20
8
4
10
16
24
22
18
14
6
2
0
–7
–5
–3
3
1
LOW-SIDE LO
IIP3
SSB NF
GC
–40
°C
25
°C
85
°C
RF INPUT POWER (dBm)
–15
–75
–15
5
–5
15
–9
–3
0
5557 G18
–35
–55
–85
–25
–95
–45
–65
–12
–6
6
39
12
IFOUT
(RF = 900MHz)
2RF-2LO
(RF = 830MHz)
3RF-3LO
(RF = 806.67MHz)
TA = 25°C
LO = 760MHz
IF = 140MHz
2.3-2.7GHz application (with external RF matching) 360MHz IF output, PRF = –6dBm (–6dBm/tone for 2-tone IIP3 tests,
Δf = 1MHz),
PLO = –3dBm, unless otherwise noted.
3.3-3.8GHz application (with external RF matching) 450MHz IF output, PRF = –6dBm (–6dBm/tone for 2-tone IIP3 tests, Δf = 1MHz),
low-side LO at –3dBm, unless otherwise noted.
RF FREQUENCY (GHz)
2.3
12
20
26
5557 G19
8
4
10
16
24
22
18
14
6
2
0
2.4
2.5
2.6
2.7
TA = 25°C
GC
IIP3
SSB NF
LOW-SIDE LO
HIGH-SIDE LO
LO/RF FREQUENCY (GHz)
5557 G21
1.9
–60
–50
–40
–30
–20
5
15
25
35
45
2.1
2.3
2.5
2.7
2.9
3.1
RF-LO
RF-IF
LO-IF
LO-RF
RF FREQUENCY (GHz)
3.3
8
20
22
24
3.5
3.7
5557 G22
4
16
12
6
18
0
2
14
10
3.4
3.6
3.8
TA = 25°C
GC
IIP3
SSB NF
LO INPUT POWER (dBm)
–9
8
20
22
24
–5
–1
1
5557 G23
4
2
16
12
6
18
0
14
10
–7
–3
3
IIP3
SSB NF
GC
–40
°C
25
°C
85
°C
LO/RF FREQUENCY (GHz)
2.8
–50
–40
3.6
5557 G24
–60
–70
3.0
3.2
3.4
3.8
–30
35
45
25
15
55
RF-LO
RF-IF
LO-IF
LO-RF
LO Leakage and RF Isolation vs LO
and RF Frequency
TYPICAL PERFOR A CE CHARACTERISTICS



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