PLL620-28/-29

Low Phase Noise VCXO (for 100-200MHz Fund Xtal)

47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991

www.phaselink.com Rev 07/08/05 Page 3

3. General Electrical Specifications

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Supply Current (Loaded

Outputs)

PECL/LVDS

100/80

mA

Operating Voltage

2.97

3.63

V

Output Clock Duty Cycle

@ 1.25V (LVDS)

45

45

50

50

55

55

%

Short Circuit Current

±50

mA

4. Jitter Specifications

PARAMETERS

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Period jitter RMS

2.5

Period jitter peak-to-peak

At 155.52MHz, with capacitive decoupling

between VDD and GND.

18.5

ps

Accumulated jitter RMS

2.5

Accumulated jitter peak-to-peak

At 155.52MHz, with capacitive decoupling

between VDD and GND. Over 10,000

cycles.

24

ps

Integrated jitter RMS at 155MHz

Integrated 12 kHz to 20 MHz

0.3

ps

5. Phase Noise Specifications

PARAMETERS

FREQUENCY

@10Hz

@100Hz

@1kHz

@10kHz @100kHz

UNITS

Phase Noise relative to carrier

155.52MHz

-80

-110

-125

-143

-145

dBc/Hz