AD9082 datasheet(30/33 Pages) AD

30 / 33 page

AD9082

Data Sheet

Rev. A | Page 30 of 33

1000

2000

3000

4000

5000

6000

FREQUENCY (MHz)

CH0 CLK_PLL

CH0 DIRECT RF

CH1 CLK_PLL

CH1 DIRECT RF

Figure 59. SNR vs. Frequency with AIN =−1 dBFS Between Direct External RF

Clock = 6 GHz and PLL Clock Multiplier Enabled with Reference Input of 125 MHz

1000

2000

3000

4000

5000

6000

FREQUENCY (MHz)

CH0 CLK_PLL

CH0 DIRECT RF

CH1 CLK_PLL

CH1 DIRECT RF

Figure 60. SFDR vs. Frequency with AIN = −1 dBFS Between Direct External RF

Clock = 6 GHz and PLL Clock Multiplier Enabled with Reference Input of 125 MHz

–45

–105

–99

–93

–87

–81

–75

–69

–63

–57

–51

1000

2000

3000

4000

5000

6000

FREQUENCY (MHz)

ADC0 HD2

ADC0 HD3

ADC1 HD2

ADC1 HD3

Figure 61. Harmonics (HD2 and HD3) vs. Frequency with AIN = −1 dBFS

1000

2000

3000

4000

5000

6000

FREQUENCY (MHz)

CH0 DIRECT RF, DAC OFF

CH0 DIRECT RF, DAC ON

CH0 CLK PLL, DAC OFF

CH0 CLK PLL, DAC ON

Figure 62. SNR vs. Frequency with AIN = −1 dBFS with DAC On/Off and

PLL On/Off Between Direct External RF Clock = 6 GHz and PLL Clock

Multiplier Enabled with Reference Input of 125 MHz

–8.0

–7.5

–4.5

–2.5

–1.5

–0.5

–6.0

–7.0

–4.0

–5.5

–6.5

–3.5

–5.0

–3.0

–2.0

–1.0

FREQUENCY (GHz)

ADC0

ADC1

Figure 63. Measured Input Bandwidth of ADC0 and ADC1 Input Using

Marki Microwave BALH-0009 on AD9082-FMCA-EBZ (No Matching Network),

De-Embedded −3 dB ADC Bandwidth Is Equal to 8 GHz

–45

–105

–99

–93

–87

–81

–75

–69

–63

–57

–51

1000

2000

3000

4000

5000

6000

FREQUENCY (MHz)

ADC0 HD2

ADC0 HD3

ADC1 HD2

ADC1 HD3

Figure 64. Harmonics (HD2 and HD3) vs. Frequency with AIN = −9 dBFS

AD9082 Datasheet(PDF) 30 Page - Analog Devices

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