ADC PWR-AVIS Manual de usuario descargar pdf (Pagina 6)

LTC2245

6

2245fa

TYPICAL PERFOR A CE CHARACTERISTICS

UW

8192 Point FFT, f

IN

= 70.1MHz,

–1dB, 2V Range

Grounded Input Histogram

SNR vs Input Frequency, –1dB,

2V Range

8192 Point 2-Tone FFT,

f

IN

= 4.3MHz and 4.6MHz,

–1dB, 2V Range

SFDR vs Input Frequency, –1dB,

2V Range

SNR and SFDR vs Sample Rate,

2V Range, f

IN

= 5MHz, –1dB

FREQUENCY (MHz)

0

AMPLITUDE (dB)

–60

–40

–20

0

4

2245 G04

–80

–100

–70

–50

–30

–10

–90

–110

–120

1

2

3

5

FREQUENCY (MHz)

0

AMPLITUDE (dB)

–60

–40

–20

0

4

2245 G05

–80

–100

–70

–50

–30

–10

–90

–110

–120

1

2

3

5

CODE

25000

20000

15000

10000

5000

0

81828181

6919

22016

818681858184

13373

8183

2245 G06

81808179

43

853

278

3227

COUNT

18803

INPUT FREQUENCY (MHz)

0

65

SNR (dBFS)

66

68

69

70

75

72

20

40

50

2245 G07

67

73

74

71

10

30

60

70

INPUT FREQUENCY (MHz)

0

85

90

100

30 50

2245 G08

80

75

10 20

40 60 70

70

65

95

SFDR (dBFS)

SAMPLE RATE (Msps)

0

60

SNR AND SFDR (dBFS)

70

80

90

100

SFDR

SNR

2468

2225 G09

10 12 14

SNR vs Input Level, f

IN

= 5MHz,

2V Range

SFDR vs Input Level, f

IN

= 5MHz,

2V Range

INPUT LEVEL (dBFS)

–70

SNR (dBc AND dBFS)

dBFS

dBc

–40

2245 G10

40

20

–60 –50 –30

10

0

80

70

60

50

30

–20 –10 0

INPUT LEVEL (dBFS)

–80

SFDR (dBc AND dBFS)

40

100

110

120

dBFS

dBc

–20

2245 G11

20

10

80

60

30

90

0

70

50

–60

–40

0

100dBc SFDR

REFERENCE LINE

1 2 3 4 5 6 7 8 9 10 11 ... 19 20

Comentarios a estos manuales

Sin comentarios