LTC1742IFW データシートの表示（PDF） - Linear Technology
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LTC1742IFW Datasheet PDF : 20 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
8192 Point FFT,
Input Frequency = 70MHz,
–10dB, 3.2V Range
0
–10
TA = 25°C
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5 10 15 20 25
FREQUENCY (MHz)
30
1742 G16
8192 Point 2-Tone FFT,
Input Frequency = 25MHz and
30MHz, –7dB, 3.2V Range
0
–10
TA = 25°C
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5 10 15 20 25 30
FREQUENCY (MHz)
1742 G19
SFDR vs 30MHz Input Level
120
110
TA = 25°C
dBFS
100
90
80
70
dBc
60
50
40
30
20
10
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
1742 G22
8192 Point FFT,
Input Frequency = 70MHz,
–20dB, 3.2V Range
0
–10
TA = 25°C
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5 10 15 20 25
FREQUENCY (MHz)
30
1742 G17
8192 Point 2-Tone FFT,
Input Frequency = 68MHz and
70MHz, –7dB, 3.2V Range
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
TA = 25°C
5 10 15 20 25 30
FREQUENCY (MHz)
1742 G20
SFDR vs 50MHz Input Level
120
110
TA = 25°C
100
dBFS
90
80
70
60
dBc
50
40
30
20
10
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
1742 G23
LTC1742
8192 Point 2-Tone FFT,
Input Frequency = 5MHz and
7MHz, –7dB, 3.2V Range
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
TA = 25°C
5 10 15 20 25 30
FREQUENCY (MHz)
1742 G18
SFDR vs 15MHz Input Level
120
110
TA = 25°C
100
dBFS
90
80
70
dBc
60
50
40
30
20
10
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
1742 G21
SFDR vs 70MHz Input Level
120
110
dBFS
100
90
80
70
TA = 25°C
60
dBc
50
40
30
20
10
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
1742 G24
1742f
7
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