(Preliminary)

PL580-68/69

320-640MHz Low Phase Noise VCXO

47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991 www.phaselink.com Rev 11/28/05 Page 5

4. General Electrical Specifications

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Supply Current,

Dynamic (with

Loaded Outputs)

PECL/LVDS

320MHz<Fout<640MHz

90/70

mA

Operating Voltage

2.97

3.63

V

Output Clock

Duty Cycle

@ 1.25V (LVDS)

45

45

45

50

50

50

55

55

55

%

Short Circuit

Current

±50

mA

5. Jitter Specifications

PARAMETERS

CONDITIONS

FREQUENCY

MIN.

TYP.

MAX.

UNITS

320.0MHz

0.4

0.5

Integrated jitter RMS

Integrated 12 kHz to 20 MHz

622.08MHz

0.4

0.6

ps

320.0MHz

3

5

Period jitter RMS

With capacitive decoupling

between VDD and GND.

Over 10,000 cycles.

622.08MHz

6

8

ps

320.0MHz

25

30

Period jitter Peak-to-

Peak

With capacitive decoupling

between VDD and GND.

Over 10,000 cycles.

622.08MHz

40

50

ps

6. Phase Noise Specifications

PARAMETERS

FREQ.

@10Hz

@100Hz

@1kHz

@10kHz

@100kHz

@1M

@10M

UNITS

320.0MHz

-59

-86

-116

-129

-124

-140

-148

relative to

carrier (typical)

622.08MHz

-48

-80

-108

-118

-114

-131

-138

dBc/Hz