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AST3

7.0 x 5.0 x 2.0mm

Compliant

ABRACON IS

ISO 9001 / QS 9000

CERTIFIED

ABRACON IS

ISO 9001 / QS 9000

CERTIFIED

FEATURES:

ELECTRICAL SPECIFICATIONS:

STRATUM -III SMD VCTCXO

30332 Esperanza, Rancho Santa Margarita, California 92688

Revised: 1.14.08

Visit www.abracon.com for Terms & Conditions of Sale

• High Precision over temperature (±0.37 ppm over

-40ºC to + 85ºC)

• Excellent long term stability (±4.60 ppm Max. over 20-Year life)

• Small Profile (7*5*2 mm)

• Low Power (< 6mA CMOS; < 3.5mA Sinewave)

• Exceptional Close-in Phase Noise (-140 dBc/Hz @ 1kHz typ;

12.80MHz carrier)

APPLICATIONS:

FEATURES:

• Wireless & Wireline communications

• Cellular Infrastructure

• Point-to-Point Radios

• Broadband Equipment

• Test & Measurement Equipment

• GPS tracking with precision hold-over accuracy

* Overall frequency stability includes: as received set-tolerance, stability over

temperature, shift through stand reflow, aging over 20-year product life, supply

voltage and output load variation.

ABRACON P/N

AST3 Series

Frequency

10.000MHz to 26.000MHz

Standard Frequencies

10, 12.8,19.2, 19.44, 25.6 MHz

Operating temperature

- 20°C to +70°C (see option)

Storage temperature

- 55°C to + 125°C

Overall Frequency Stability*

±4.6ppm over 20-years Referenced to +25ºC

Frequency Stability vs Temp range

- 20°C to +70°C

±0.28ppm

- 40°C to +85°C

±0.37ppm

Supply voltage (Vdd)

3.3Vdc ± 5% (see option)

Symmetry

45/55 % @ 50% Vdd

Output level

CMOS (see option)

Output load

15pF (CMOS, Clipped Sinewave)

Output Voltage (CMOS)

VOH = 0.9*Vdd min.

VOL = 0.1*Vdd max.

0.8 Vp-p min

Tri State Function

VIH = 20%Vdd max.:Oscillation,

VIL = 80%Vdd min.: High Z

Start-up-time

2ms max.

Current consumption

6mA max. (CMOS output)

3.5mA max. (Clipped Sinewave output)

Vc port impedance

100kΩ min.

Control voltage range (Vc)

0 to Vdd (for VCTCXO)

Frequency pull range

±5.0 ppm min. (see options)

Frequency pull slope

Positive

Spurious response:

-70 dBc max.

Phase Noise (12.8MHz carrier)

@ 100 Hz offset

-120 dBc/Hz

@ 1000 Hz offset

-140 dBc/Hz

@ 10000 Hz offset

-148 dBc/Hz

PARAMETERS