AD9517-0ABCPZ datasheet(25/80 Pages) AD

25 / 80 page

Data Sheet

AD9517-0

Rev. E | Page 25 of 80

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100M

10M

100k

10k

100

FREQUENCY (Hz)

Figure 37. Phase Noise (Additive) CMOS at 250 MHz, Divide-by-4

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100M

10M

100k

10k

FREQUENCY (Hz)

Figure 38. Phase Noise (Absolute) Clock Generation; Internal VCO at 2.7 GHz;

PFD = 15.36 MHz; LBW = 110 kHz; LVPECL Output = 122.88 MHz

–90

–100

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100M

10M

100k

10k

FREQUENCY (Hz)

Figure 39. Phase Noise (Absolute) Clock Cleanup; Internal VCO at 2.8 GHz;

PFD = 19.44 MHz; LBW = 12.8 kHz; LVPECL Output = 155.52 MHz

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100M

10M

100k

10k

FREQUENCY (Hz)

Figure 40. Phase Noise (Absolute), External VCXO (Toyocom TCO-2112)

at 245.76 MHz; PFD = 15.36 MHz; LBW = 250 Hz; LVPECL Output = 245.76 MHz

1000

100

0.1

0.01

0.1

100

1000

JITTER FREQUENCY (kHz)

OC-48 OBJECTIVE MASK

AD9517

NOTE: 375UI MAX AT 10Hz OFFSET IS THE

MAXIMUM JITTER THAT CAN BE

GENERATED BY THE TEST EQUIPMENT.

FAILURE POINT IS GREATER THAN 375UI.

fOBJ

Figure 41. GR-253 Jitter Tolerance Plot

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