Rise/fall time

<10ns

Duty cycle

50%±10%

Single sideband phase noise of 10MHz signal

Deviation (Hz)

Single sideband phase noise (dBc/Hz)

1

<-67

10

<-85

100

<-114

1000

<-130

10000

<-140

Frequency stability (Allan variance)

Sampling time (s)

Frequency stability

1

<3E-11

10

<1.6E-11

100

<8E-12

Frequency accuracy

<±5E-11 (adjusted to the factory) at 25℃

Frequency reproducibility

<±2E-11 (12h power on, 48h power off, 12h power on again)

Frequency adjustment

Digital control range: ±1E-6, resolution: ±1E-12

With analog adjustment range ±1.5E-9, 0-5V, 5kΩ

Preheat time

It takes 7.5 minutes for the frequency accuracy to reach 1E-9 (@25℃)

Power requirements and voltage characteristics

At +5Vdc±0.1V, the maximum current is <2.8A; the voltage characteristic df/f<2E-11 (peak-to-peak value)

Power consumption

Preheating: 14W (maximum) (-10℃-75℃)          Normal work: @ -10℃ 8W, @ 75℃ 5W

Electromagnetic radiation

Meet the requirements of Fcc part 15 Class B

Test/status

Self-test (BIST)

Drift rate of the product working continuously for 1 day or 1 month

model

SA.31m

SA.33m

day

±4E-11

±2.5E-11

month

±3E-10

±1E-10

year

±1.5E-9

±1E-9

Temperature Coefficient

model

SA.31m

SA.33m

0-70℃

<7E-10

<7E-11

-10-70℃

<1E-9

<1E-10

Time drift

7os(Within a 24h period, the temperature is 0-60℃)

MTBF

±300,000 hours, @40℃ (freely placed on the ground, uncontrolled)
±500,000 hours, @40℃ (freely placed on the ground, controlled)

Operating temperature

-10℃-+75℃(Base temperature)

Magnetic field sensitivity

<±7E-11/Gauss (±2 Gauss range)

humidity

GR-core-63.issue2, April2002 section4.1.2 <90% no condensation

Vibration (working state)

GR-core-63.issue2,April2002 section4.4.3 and 5.4.3

Shock/vibration

GR-core-63.issue2,April2002 section4.4.4 and 5.4.2Curve 1 of Fig 4-3 up to 1.5g

storage temperature

-55℃-100℃