
6
LTC1747
1747fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Averaged 8192 Point FFT,
20.2MHz Input, –1dB, 3.2V Range
Averaged 8192 Point FFT,
20.2MHz Input, –10dB, 3.2V Range
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1747 G07
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
TA = 25°C
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1747 G08
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
TA = 25°C
Averaged 8192 Point FFT,
20.2MHz Input, –20dB, 3.2V Range
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1747 G09
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
TA = 25°C
Averaged 8192 Point FFT,
50.2MHz Input, –1dB, 3.2V Range
Averaged 8192 Point FFT,
50.2MHz Input, –10dB, 3.2V Range
Averaged 8192 Point FFT,
50.2MHz Input, –20dB, 3.2V Range
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1747 G10
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
TA = 25°C
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1747 G11
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
TA = 25°C
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1747 G12
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
TA = 25°C
Averaged 8192 Point FFT,
70.2MHz Input, –1dB, 3.2V Range
Averaged 8192 Point FFT,
70.2MHz Input, –10dB, 3.2V Range
Averaged 8192 Point FFT,
70.2MHz Input, –20dB, 3.2V Range
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1747 G13
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
TA = 25°C
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1747 G14
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
TA = 25°C
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1747 G15
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
TA = 25°C