Space Oven Controlled Crystal Oscillator

RK 407

10

May,9th 2014

Specifications subject to change without notice

Shortform, 59001922.110, Issue A0

2 / 2

www.rakon.com

Performance for standard frequencies

Parameters

Conditions/Remarks

Unit

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

Unit

Nominal Frequency

MHz

10

45

90

110

120

130

MHz

Steady state supply power

Vacuum, EOL

W

0.7

0.7

0.7

W

Warm up supply power

Vacuum, EOL

W

2

2

2

W

Initial frequency accuracy

Vacuum

ppm

± 0.4

± 0.4

± 0.4

ppm

Frequency adjustment

Freq adj. Option 2 (voltage

controlled)

ppm

± 1.2

± 1.2

± 1.2

ppm

-20°C…+70°C

ppm

± 0.1

± 0.1

± 0.1

ppm

TOp (-40°C…+70°C)

ppm

± 0.25

± 0.25

± 0.25

ppm

Frequency variation vs. supply

voltage

Over Operating Temperature

ppm

± 0.05

± 0.05

± 0.05

ppm

Frequency variation vs. load

Over Operating Temperature

ppm

± 0.05

± 0.05

± 0.05

ppm

Frequency variation vs pressure

Atm to vacuum

ppm

± 0.2

± 0.2

± 0.2

ppm

Over 1 day

ppb

± 5

± 10

± 10

ppb

Over 1 year

ppm

± 0.3

± 0.3

± 0.3

ppm

Over 18 years

ppm

± 1

± 1

± 1

ppm

10ms

1.E-11

1.E-11

1.E-11

100ms

1.E-11

1.E-11

1.E-11

1s

5.E-11

5.E-11

5.E-11

10s

5.E-11

5.E-11

5.E-11

Frequency warm up

Time needed to reach the

initial frequency accuracy

(1h ref.)

mn

6

6

6

mn

Output waveform

EOL, Supply voltage option 1

(12V)

dBm

4

7.5

4

7.5

4

7.5

dBm

EOL, Supply voltage option 2

(5V)

dBm

2.5

6

2.5

6

dBm

Harmonics level

dBc

-25

-25

-25

dBc

100Hz to 100kHz

dBc

-100

-100

-100

dBc

100kHz to 5GHz

dBc

-85

-85

-85

dBc

1 Hz

dBc/Hz

-65

-60

-60

dBc/Hz

10 Hz

dBc/Hz

-95

-90

-90

dBc/Hz

100 Hz

dBc/Hz

-125

-120

-120

dBc/Hz

1kHz

dBc/Hz

-145

-140

-140

dBc/Hz

10 kHz

dBc/Hz

-152

-150

-150

dBc/Hz

Sine

Phase noise

Frequency ageing

Output level

Frequency stability vs temperature

Spurious level

Allan variance

Description

Dimensions

Flat pack 10 leads

25.50x25.50x17 mm

Ordering part number definition

RAKON

Supply voltage

1 = 12V

2 = 5V

Model

EM = EM

EQM = EQM

FM = FM level S

RK 407

10M000000

Frequency, Fnom

FM

1

Serie

OCXO (4xx)

10

1

Frequency adjustment

1 = internal calibration

2 = voltage controlled