AD9510SLASHPCB datasheet(23/60 Pages) AD

23 / 60 page

AD9510

Rev. A | Page 23 of 60

–10

–20

–30

–40

–50

–60

–70

–80

–90

CENTER 245.75MHz

30kHz/

SPAN 300kHz

Figure 12. Phase Noise, LVPECL, DIV 1, FVCXO = 245.76 MHz,

FOUT = 245.76 MHz, FPFD = 1.2288 MHz, R = 25, N = 200

100

–10

–20

–30

–40

–50

–60

–70

–80

–90

CENTER 1.5GHz

250kHz/

SPAN 2.5MHz

Figure 13. PLL Reference Spurs: VCO 1.5 GHz, FPFD = 1 MHz

VOLTAGE ON CP PIN (V)

0.5

1.0

1.5

2.0

2.5

3.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

PUMP DOWN

PUMP UP

Figure 14. Charge Pump Output Characteristics @ VCPs = 3.3 V

–10

–20

–30

–40

–50

–60

–70

–80

–90

CENTER 61.44MHz

30kHz/

SPAN 300kHz

Figure 15. Phase Noise, LVPECL, DIV 4, FVCXO = 245.76 MHz,

FOUT = 61.44 MHz, FPFD = 1.2288 MHz, R = 25, N = 200

PFD FREQUENCY (MHz)

0.1

100

–170

–165

–160

–155

–150

–145

–140

–135

Figure 16. Phase Noise (Referred to CP Output) vs. PFD Frequency

VOLTAGE ON CP PIN (V)

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

PUMP DOWN

PUMP UP

Figure 17. Charge Pump Output Characteristics @ VCPs = 5.0 V

AD9510/PCB 数据表(PDF) 23 Page - Analog Devices

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