5567 Просмотр технического описания (PDF) - Linear Technology
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5567 Datasheet PDF : 20 Pages
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LTC5567
Typical Performance Characteristics 700MHz to 1000MHz 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
28
26
IIP3
24
22
20 HIGH SIDE LO
18 TC = 25°C
16
14
12
NF
10
8
6
4
GC
2
0
700 750 800 850 900
RF FREQUENCY (MHz)
950 1000
5567 G20
RF Isolation and LO Leakage vs
Frequency
70
RF-LO
60
ISO
0
TC = 25°C
–10
50
–20
RF-IF
40
ISO
–30
30
–40
20
LO-IF
–50
10
LO-RF
–60
0
700
–70
800 900 1000 1100 1200
RF/LO FREQUENCY (MHz)
5567 G23
2-Tone IF Output Power, IM3 and
IM5 vs RF Input Power
20
10
IFOUT
0
–10
–20
–30
TC = 25°C
RF1 = 849MHz
–40 RF2 = 851MHz
LO = 1003MHz
–50
IM3
IM5
–60
–70
–80
–12
–9 –6 –3 0
3
6
RF INPUT POWER (dBm/TONE)
5567 G26
850MHz Conversion Gain,
IIP3 and NF vs LO Power
28
26
24 IIP3
22
20 RF = 850MHz
18 HIGH SIDE LO
TC = 85°C
TC = 25°C
TC = –40°C
16
14
NF
12
10
8
6
4 GC
2
0
–6 –4 –2 0
2
4
6
LO INPUT POWER (dBm)
5567 G21
850MHz Conversion Gain,
IIP3 and NF vs Supply Voltage
28
25 IIP3
22
RF = 850MHz
19 HIGH SIDE LO
16
13 NF
TC = 85°C
TC = 25°C
TC = –40°C
10
7
4 GC
1
3.0
3.1 3.2 3.3 3.4 3.5 3.6
VCC SUPPLY VOLTAGE (V)
5567 G22
Conversion Gain, IIP3, NF and RF
Input P1dB vs Temperature
28
26
IIP3
24
22
20 RF = 850MHz
18 HIGH SIDE LO
16
14
NF
12
10
P1dB
8
6
4
GC
2
0
–45 –15 15
45
75
CASE TEMPERATURE (°C)
105
5567 G24
SSB Noise Figure
vs RF Blocker Level
22
21
TC = 25°C
RF = 850MHz
20 BLOCKER = 750MHz
LO = 1003MHz
19
18
17
PLO = –3dBm
16
PLO = 0dBm
15
14
13
12
11
–25
PLO = 3dBm
–20 –15 –10 –5 0 5 10
RF BLOCKER POWER (dBm)
5567 G25
Single Tone IF Output Power, 2 × 2
and 3 × 3 Spurs vs RF Input Power
15
TC = 25°C
5 LO = 1003MHz
–5
IFOUT
(RF = 850MHz)
–15
–25
–35
–45
3LO-3RF
–55
(RF = 952MHz)
–65
–75
2LO-2RF
(RF = 926.5MHz)
–85
–15 –12 –9 –6 –3 0 3 6 9 12
RF INPUT POWER (dBm)
5567 G27
2 × 2 and 3 × 3 Spur Suppression
vs LO Power
–60
TC = 25°C
RF = 850MHz
–65 PRF = –6dBm
LO = 1003MHz
–70
2LO-2RF
–75
(RF = 926.5MHz)
–80
3LO-3RF
–85
(RF = 952MHz)
–90
–6
–4 –2
0
2
46
LO INPUT POWER (dBm)
5567 G28
5567f
7
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