LT5575 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
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LT5575 Datasheet PDF : 16 Pages
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LT5575
TYPICAL AC PERFORMANCE CHARACTERISTICS VCC = 5V, EN = High, TA = 25ºC, PRF = –10dBm
(–10dBm/tone for 2-tone IIP2 and IIP3 tests), fBB = 1MHz (0.9MHz and 1.1MHz for 2-tone tests), PLO = 0dBm, unless otherwise noted.
Test Circuit Shown in Figure 1 (Note 6).
Conversion Gain, NF and IIP3
vs Frequency
35
–40°C
25°C
30
85°C
25
LOW MID
20 BAND BAND
IIP3
HIGH BAND
15
DSB NF
10
CONV GAIN
5
0
800 1100 1400 1700 2000 2300 2600
RF INPUT FREQUENCY (MHz)
5575 G01
Conversion Gain
vs RF Input Power
5
1900MHz
4
900MHz
3
2500MHz
2
1
0
–1
–15
–10 –5 0
5
10 15
RF INPUT POWER (dBm)
5575 G04
RF-LO Isolation
vs RF Input Power
70
65
900MHz
60
1900MHz
55
2500MHz
50
45
40
–16
–12 –8 –4 0
48
RF INPUT POWER (dBm)
5575 G07
IIP2 vs Frequency
70
65
60
55
50
45
40
800
–40°C
25°C
85°C
1100 1400 1700 2000 2300 2600
RF INPUT FREQUENCY (MHz)
5575 G02
I/Q Gain Mismatch
vs RF Input Frequency
0.3
fBB = 1MHz
0.2
–40°C
25°C
85°C
0.1
0.0
– 0.1
– 0.2
– 0.3
800 1100 1400 1700 2000 2300 2600
RF FREQUENCY (MHz)
5575 G05
LO-RF Leakage
vs LO Input Power
– 40
– 45
– 50
–55
2500MHz
– 60
– 65
900MHz
–70
–75
1900MHz
– 80
–15
–10
–5
0
LO INPUT POWER (dBm)
5
5575 G08
Supply Current
vs Supply Voltage
160
150
85°C
140
25°C
130
120
110
100
4.50
– 40°C
4.75
5.00
5.25
SUPPLY VOLTAGE (V)
5.50
5575 G03
I/Q Phase Mismatch
vs RF Input Frequency
3
fBB = 1MHz
2
1
–40°C
25°C
85°C
0
1
2
3
800 1100 1400 1700 2000 2300 2600
RF FREQUENCY (MHz)
5575 G06
Conversion Gain
vs Baseband Frequency
6
fLO = 1901MHz
5
– 40°C
25°C
4
85°C
3
2
1
0
0.1
1.0
10
100
BASEBAND FREQUENCY (MHz)
1000
5575 G09
5575f
5
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