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PHASE NOISE

−160

−150

−140

−130

−120

−110

−100

−90

−80

100k

1M

10M

100M

20M

G001

Rambus Spec

667 MHz

Rambus Spec Range:

300 MHz

400 MHz

CDCD5704

SCAS823 – DECEMBER 2006

For the offset frequency range from 1 MHz to 100 MHz, phase noise of the CDCD5704 does not exceed the

single-sideband phase noise (spectral purity) described by the following equation given by Rambus.

L(f) = 10 log [1 + (50

Selected numerical values are in given in the following table.

f = offset frequency

5

10

15

40

80

100

MHz

L(f) = SSB phase noise

–97

–114

–121

–125

–128

–134

–137

–138

dBc/Hz

Figure 2. Phase Noise Plot

11

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