XHTF1031H Miniature Rubidium Oscillator

FEATURES

◆ High-precision and stable atomic clock;

◆ Miniature and low power dissipation;

◆ Small form factor (standard OCXO pinout).

APPLICATION

◆ Stand-alone stable frequency source for audio equipment,smart grid and enterprise network infrastructure.

◆ It can be used for CDMA and WiMAX base station.

◆ Signal standard for various other communication and transmission applications.

SPECIFICATIONS

Frequency: 10MHz

Waveform: CMOS square wave

Logic level: 3.3V ACMOS

Output signal frequency accuracy: Better than ±5×10^-11 at +25℃.

Lock time:

≤7min being locked typical +25℃;

≤15min being locked under -5℃.

Frequency - Temperature coefficient (Ambient temperature):

-5℃～+60℃， frequency change ≤8×10^-10；

+20℃～+40℃，frequency change ≤2×10^-10.

Retrace: ≤2×10^-11

Short-term stability:

1S ≤5×10^-11

10S ≤1.8×10^-11

100S ≤7×10^-12

1000S ≤3×10^-12

Long-term stability (frequency drifting):

≤5×10^-12 day;

≤5×10^-11 per month (design guarantee)

Ground magnetic effect: ≤×10^-11

Phase to Noise (SSB):

10Hz ≤ -95dBc/Hz；

100Hz ≤ -125dBc/Hz；

1KHz ≤ -135dBc/Hz；

10KHz ≤ -140dBc/Hz.

Power Consumption:

Static consumption≤6W (@25℃);

Max. consumption≤18W (full temperature)

Frequency adjustment:

External electric level adjust ≥±1.5×10^-9 (0V～5V) (impedance is higher than 10K)

Environment Suitability:

Power supply: +5Vdc±0.1Vdc

Operating temperature: -5℃～+60℃

Storage temperature: -55℃～+85℃

Ambient moisture：less than 95% (30℃).

Vibration Test:

Vibration (sine) Parameters

Vibration Direction	Frequency Range	Acceleration	Sweep Cycle Times	Scanned Speed
X Y Z	5Hz～100 Hz	1g	2	0.25 oct/min

MTBF＞100,000 hours

Weight: ≤ 200g

External size: (50.8±0.5) mm × (50.8±0.5) mm × (25±0.5) mm (about 65cc)

EXTERNAL DIMENSION

Pin 1: Frequency Adjustment, input 0V~5V

Pin 2: Lock indication: locked 0V, unlocked 5V

Pin 3: 10MHz Output

Pin 4: Grounded

Pin 5: +5V power supply positive terminal

Pin 6: RXD LvTTL signal communication protocol’s RXD port

Pin 7: TXD LvTTL signal communication protocol’s TXD port

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