LT5521 데이터 시트보기 (PDF) - Linear Technology
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LT5521 Datasheet PDF : 16 Pages
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LT5521
TYPICAL AC PERFOR A CE CHARACTERISTICS fLO = 1001MHz, fIF = 44MHz, fRF = 1045MHz,
PLO = –5dBm, VCC = 5V, EN = 2.9V, TA = 25°C, unless otherwise noted. Test circuit shown in Figure 1 is tuned for 1.045GHz output
frequency.
Fundamental, 2nd and 3rd Order
Intermodulation Distortion
vs Input Power
20
0
PFUND
IM3
–20
–40
IM2
–60 IM2
–80
IM3
–100
–120
–14 –12 –10 –8 –6 –4 –2 0
INPUT POWER (dBm)
85°C
25°C
–40°C
246
5521 G15
Conversion Gain vs Input Power
1.0
0.5
–40°C
0
25°C
–0.5
–1.0
85°C
–1.5
–2.0
–2.5
–25 –20 –15 –10 –5 0
PIN (dBm)
5 10 15
5521 G16
Conversion Gain and IIP3
vs RF Frequency, Fixed IF
10
25
8
6
85°C
4
25°C
–40°C
2
GC
0
24
IIP3
23
22
21
20
–2
19
–4
920
18
970 1020 1070 1120 1170
RFOUT (MHz)
5521 G17
LO-RF Leakage vs LO Frequency
–32
–33
–34
–35
–36
–40°C
–37
–38
25°C
–39
–40
–41
85°C
–42
850
900 950 1000 1050 1100 1150
LO FREQUENCY (MHz)
5521 G18
Conversion Gain, IIP3 and Noise
Figure vs Supply Voltage
10
26
IIP3
8
22
85°C
6
25°C 18
–40°C
NF
4
14
2
10
GC
0
6
–2
2
4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4
VCC (V)
5521 G19
Conversion Gain and IIP3
vs LO Power
10
25
IIP3
8
24
6
23
4
85°C
22
25°C
2
–40°C
21
GC
0
20
–2
19
–4
–25 –20
–15 –10 –5 0
LO POWER (dBm)
18
5 10
5521 G20
LO-RF Leakage vs LO Power
–30
LO-RF Leakage vs Supply Voltage
–30
–32
–34
–40°C
–36
25°C
–38
85°C
–40
–32
–34
–36
–40°C
–38
25°C
85°C
–40
–42
6
–42
–25 –20
–15 –10 –5 0
LO POWER (dBm)
5 10
5521 G21
–44
4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4
VCC (V)
5521 G22
5521f
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