ABV0235/-37/-38/-39

750kHz – 800MHz Low Phase Noise Multiplier VCXO

Universal Low Phase Noise IC’s

30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 5

5. Jitter Specifications

PARAMETERS

CONDITIONS

FREQUENCY

MIN.

TYP.

MAX.

UNITS

19.44MHz

2.2

77.76MHz

4.5

155.52MHz

4.5

Period jitter RMS

With capacitive decoupling be-

tween VDD and GND.

Over 10,000 cycles.

622.08MHz

5.0

ps

19.44MHz

17

77.76MHz

25

155.52MHz

27

Period jitter Peak-to-

With capacitive decoupling be-

tween VDD and GND.

Over 10,000 cycles.

622.08MHz

35

ps

155.52MHz

2.5

4

Integrated 12 kHz to 20 MHz

622.08MHz

2.5

4

ps

6. Phase Noise Specifications

PARAMETERS

FREQUENCY

@10Hz

@100Hz

@1kHz

@10kHz

@100kHz

UNITS

19.44MHz

-80

-108

-132

-142

-150

77.76MHz

-72

-103

-122

-130

-125

155.52MHz

-65

-95

-120

-125

-121

Phase Noise relative

to carrier

(typical)

622.08MHz

-55

-85

-109

-115

-110

dBc/Hz

Note: Phase Noise measured at VCON = 0V

7. CMOS Electrical Characteristics

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

10

mA

Output drive current

10

mA

Output Clock Rise/Fall Time

0.3V ~ 3.0V with 15 pF load

2.4

ns