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LT5557 Datasheet(PDF) 5 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) 5 Page - Linear Technology

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LT5557
5557fa
RF INPUT POWER (dBm/TONE)
–18
–100
–80
–60
–40
–20
–12
–9
–15
–6
–3
5557 G10
0
0
–90
–70
–50
–30
–10
10
IFOUT
TA = 25°C
RF1 = 1949.5MHz
RF2 = 1950.5MHz
LO = 1710MHz
IM3
IM5
RF INPUT POWER (dBm)
–15
–65
–5
5
15
–9
–3
0
5557 G11
–85
–25
–45
–75
–15
–95
–35
–55
–12
–6
6
39
12
IFOUT
(RF = 1950MHz)
2RF-2LO
(RF = 1830MHz)
3RF-3LO
(RF = 1790MHz)
TA = 25°C
LO = 1710MHz
IF = 240MHz
LO INPUT POWER (dBm)
–9
–65
–60
–55
–3
1
5557 G12
–70
–75
–80
–7
–5
–1
–50
–45
–40
3
2RF-2LO
(RF = 1830MHz)
3RF-3LO
(RF = 1790MHz)
TA = 25°C
LO = 1710MHz
IF = 240MHz
PRF = –6dBm
RF FREQUENCY (MHz)
400
10
22
24
26
450
5557 G13
6
4
18
14
8
20
2
16
12
425
475
500
HIGH-SIDE LO
TA = 25°C
IF = 70MHz
IIP3
SSB NF
GC
LO INPUT POWER (dBm)
–6
9
21
23
25
–2
2
4
5557 G14
5
3
17
13
7
19
1
15
11
–4
0
6
IIP3
GC
HIGH-SIDE LO
IF = 70MHz
SSB NF
–40
°C
25
°C
85
°C
LO FREQUENCY (MHz)
400
–50
–45
1200
5557 G15
–55
–60
600
800
1000
–35
–40
TA = 25°C
PLO = 0dBm
LO-RF
LO-IF
450MHz
APPLICATION
900MHz
APPLICATION
CONVERSION GAIN (dB)
2.6
25
30
35
3.2
5557 G25
15
0
2.7
2.8
2.9
3.0
3.1
40
20
10
5
TA = 25°C
LOW-SIDE LO
IF = 240MHz
IIP3 (dBm)
23
0
5
15
20
25
35
24
5557 G26
10
30
27
28
25
26
85
°C
25
°C
–40
°C
LOW-SIDE LO
IF = 240MHz
SSB NOISE FIGURE (dB)
11.0
18
24
30
11.8
5557 G27
12
6
15
21
27
9
3
0
11.2
11.4
11.6
12.0
12.2
TA = 25°C
LOW-SIDE LO
IF = 240MHz
VCC = 3.3V, Test circuit shown in Figure 1.
Midband (No external RF/LO matching) 240MHz IF output, PRF = –6dBm (–6dBm/tone for 2-tone IIP3 tests, Δf = 1MHz), PLO = –3dBm,
unless otherwise noted.
IF Output Power, IM3 and IM5 vs
RF Input Power (2 Input Tones)
IFOUT, 2 × 2 and 3 × 3 Spurs
vs RF Input Power (Single Tone)
2
× 2 and 3 × 3 Spurs
vs LO Power (Single Tone)
450MHz application (with external RF/LO matching) 70MHz IF output, PRF = –6dBm (–6dBm/tone for 2-tone IIP3 tests,
Δf = 1MHz), high-side LO at 0dBm, unless otherwise noted.
Conversion Gain, IIP3 and NF
vs RF Frequency
450MHz Conversion Gain,
IIP3 and NF vs LO Power
LO Leakage vs LO Frequency
450MHz and 900MHz Applications
TYPICAL PERFOR A CE CHARACTERISTICS
Conversion Gain Distribution at
1950MHz
IIP3 Distribution at 1950MHz
SSB Noise Figure Distribution at
1950MHz



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