HIGH RELIABILITY 10-7 STABILITY CLASS OCXO | SPACE SOLUTIONS

Issue: 51001922.110, Issue A2. 05 January 2023

Specifications are subject to change without notice

Copyright © 2018 to 2023, Rakon Limited. All right reserved

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Parameter

Condition / Remarks

Min.

Typ.

Max.

Unit

Nominal frequency (Fn)

Standard frequencies:

10, 40, 100 and 120 MHz

-

10 – 130

-

MHz

Steady state supply power

Vacuum, EOL, @-40 °C

-

-

1.1

W

Warm up supply power

Vacuum, EOL

-

-

2.1

W

Initial frequency accuracy

Vacuum (with VC)

-

-

±0.4

ppm

Frequency adjustment

With VC

-

-

±1.2

ppm

Frequency stability

over temperature (FvT)

-20°C to 70°C

-40°C to 70°C

-

-

±0.1

±0.25

ppm

Supply voltage stability (FvT)

Over operating temperature

-

-

±0.05

ppm

Load sensitivity (FvT)

Over operating temperature

-

-

±0.05

ppm

Pressure (FvT)

Atm to vacuum

-

-

±0.2

ppm

Ageing (FvT) over 1 day

Fnom: 10 to 45 MHz

Fnom: 90 to 130 MHz

-

-

±5

±10

ppb

Ageing (FvT) over 1 year

Fnom: 10 to 130 MHz

-

-

±0.3

ppm

Ageing (FvT) over 18 years

Fnom: 10 to 130 MHz

-

-

±1

ppm

Allan variance

tau = 1 s

-

-

5E-11

-

Frequency warm up

Time needed to reach the initial frequency

accuracy (1h ref.)

-

-

7

mn

Output waveform

Sine

-

-

-

-

Output level

BOL: 12 V

BOL: 5 V

5

4

-

6

5

dBm

Harmonics level

-

-

-25

dBc

Spurious level

100 Hz to 100 kHz

100 kHz to 5 GHz

-

-

-100

-85

dBc

Ordering Part Example

Product Family

RK = Rakon

4xx = OCXO

07 = 10-7 stability class

Frequency Adjustment

1 = Internal calibration

2 = Voltage controlled

Frequency (Fn)

100M000000 = 10 MHz (Fn)

RK 4 0 7 1 1 FM 1 0M 00 0 000

Model Option

EM = EM

EQM = EQM

FM = FM

Supply Voltage

1 = 12 V

2 = 5 V