ICS421002AI01 datasheet(6/13 Pages) ICST

Part #	ICS421002AI01

Description	FEMTOCLOCKS??CRYSTAL-TO-HSTL FREQUENCY SYNTHESIZER

PDF	13 Pages

Scroll/Zoom	100%

Manufacturer	ICST [Integrated Circuit Systems]

Direct Link	http://www.icst.com

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6 / 13 page

8421002AGI-01

www.icst.com/products/hiperclocks.html

REV. A FEBRUARY 6, 2006

Integrated

Circuit

Systems, Inc.

ICS8421002I-01

FEMTOCLOCKS™CRYSTAL-TO-

HSTL FREQUENCY SYNTHESIZER

TYPICAL PHASE NOISE AT 156.25MHZ @ 3.3V

156.25MHz

RMS Phase Jitter (Random)

1.875MHz to 20MHz = 0.44ps (typical)

OFFSET FREQUENCY (HZ)

-10

-20

-30

-40

-50

-60

-70

-80

-90

-100

-110

-120

-130

-140

-150

-160

-170

-180

-190

100

10k

100k

10M

100M

Ethernet Jitter Filter

Phase Noise Result by adding

Ethernet Filter to raw data

Raw Phase Noise Data

TYPICAL PHASE NOISE AT 62.5MHZ @ 3.3V

62.5MHz

RMS Phase Jitter (Random)

1.875MHz to 20MHz = 0.49ps

OFFSET FREQUENCY (HZ)

-20

-40

-60

-80

-100

-120

-140

-160

-180

-200

100

10k

100k

10M

100M

Ethernet Jitter Filter

Phase Noise Result by adding

Ethernet Filter to raw data

Raw Phase Noise Data

ICS421002AI01 Datasheet(PDF) 6 Page - Integrated Circuit Systems

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