High Reliability Space OCXO

The high reliability Space OCXO series is designed and manufactured following MIL standards.  Designed for space applications, the key advantages of these OCXOs are their remarkable overall frequency stability vs. temperature range, which can offer stabilities as low as ±0.5 ppb under vacuum, as well as their long-term stabilities. The SWaP-optimised mini Ultra Stable Oscillators (USO) add to this a small form factor and low power consumption. The RK4 series is free from export regulations (ITAR free).

Applications: transponders, GNSS receivers, digital cards, down and up converters, onboard calculators, synthesizers, Frequency Generation Units (FGUs), navigation and positioning systems, gyroscopes and master clocks.

Country of origin: France (RK4 series), India (ROX-S series)

Products

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Product Name Image Package Size (LxWxH) Nominal Frequency (Fn) Stability Class Temperature Range (°C) Long Term Stability Phase Noise (P/N) Allan Deviation (ADEV) COO
RK410 99 x 88 x 54 mm 5 to 10 MHz

10-10

0 to 60 °C
-20 to 60 °C
-30 to 60 °C
±20 ppb/year
±50 ppb/15 years
Max. P/N @10 MHz
-122 dBc/Hz @1Hz
-140 dBc/Hz @10 Hz
-145 dBc/Hz @100 Hz
-146 dBc/Hz @1 kHz
1s, 10s: 2 x 10-13 FRA
RK409 50 x 50 x 30 mm 10 to 40 MHz

10-9

-5 to 60 °C
-20 to 70 °C
-40 to 70 °C
±20 ppb/year
±150 ppb/15 years
Typ. P/N @10 MHz
-135 dBc/Hz @10 Hz
-150 dBc/Hz @100 Hz
-155 dBc/Hz @10 kHz
1s: 6 x 10-11 FRA
RK408 40 x 50 x 20 mm 10 to 125 MHz

10-8

-5 to 60 °C
-20 to 70 °C
-40 to 70 °C
±100 ppb/day
±300 ppb/18 years
10 MHz
Max. P/N @10 MHz
-130 dBc/Hz @10 Hz
-160 dBc/Hz @1 kHz
-165 dBc/Hz @10 kHz
1s: 5 x 10-12 FRA
RK407 25 x 25 x 17 mm 10 to 130 MHz

10-7

-40 to 70 °C
-40 to 85 °C
±5 ppb/day
±0.3 ppm/year±1 ppm/10 years
45 MHz
Max. P/N @45 MHz
-95 dBc/Hz @10 Hz
-145 dBc/Hz @1 kHz
-152 dBc/Hz @10 kHz
1s: 5 x 10-11 FRA
ROX5050S 50 x 50 x 34 mm 10 to 10.23 MHz

10-8

-20 to 70 °C ±1 ppb/day
±30 ppb/year
±250 ppb over life
Typ. P/N @10 MHz
-140 dBc/Hz @10 Hz
-150 dBc/Hz @100 Hz
-155 dBc/Hz @1 kHz

1s: 8 x 10-13

IND
ROX5555S 55 x 55 x 35 mm 70 to 130 MHz

10-8

-10 to 60 °C ±1 ppb/day
±30 ppb/month
±100 ppb/year
Typ. P/N @100 MHz
-90 dBc/Hz @10 Hz
-130 dBc/Hz @1 kHz
-145 dBc/Hz @10 kHz

1s: 8 x 10-12

IND
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