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Base Stations, CUs and DUs

The synchronisation between the radios and the DU (Distributed Unit) is of utmost importance for the basic functionality of 5G networks and advanced features like carrier aggregation.

5G provides various options to split the baseband processing functionality, primarily into DUs and CUs (Centralised Units). DUs deploy a variety of synchronisation sources and must be supported by a highly accurate synchronisation reference clock. Typical deployments need to provide 424 hours of holdover capability to mitigate the risks of a synchronisation failure.

Rakon offers a broad range of OCXOs, TCXOs, VCXOs and XOs ideal for base station applications that require high stability and low power consumption in a small footprint. Rakon’s oscillators also help solve the challenges around holdover.

Products

Small Form Factor IC OCXOs for Base Stations, CUs & DUs

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Product Series Product Name Image Package Size (LxWxH) Nominal Frequency (Fn) Frequency Stability (FvT) Temperature Range (°C) Long Term Stability Phase Noise (P/N)
Mercury Small Form Factor IC OCXO
ROM1490E 14.2 x 9.2 x 6.5 mm 10 to 50 MHz ±5 ppb -40 to 85 °C ±0.3 ppm/year
±2.5 ppm/20 years
Typ. P/N @20 MHz
-135 dBc/Hz @100 Hz
-158 dBc/Hz @10 kHz
-160 dBc/Hz @1 MHz
Mercury Small Form Factor IC OCXO
ROM1490EA 14.3 x 9.1 x 5.9 mm 10 to 50 MHz ±10 ppb -40 to 95 °C ±0.3 ppm/year
±2.5 ppm/20 years
Typ. P/N @20 MHz
-135 dBc/Hz @100 Hz
-158 dBc/Hz @10 kHz
-160 dBc/Hz @1 MHz
Mercury Small Form Factor IC OCXO
ROM9070EA 9.7 x 7.5 x 3.9 mm 10 to 50 MHz ±10 ppb -40 to 95 °C ±0.3 ppm/year
±2.5 ppm/20 years
Typ. P/N @19.2 MHz
-137 dBc/Hz @100 Hz
-158 dBc/Hz @10 kHz
-158 dBc/Hz @1 MHz

High End Telecom OCXOs for Base Stations, CUs & DUs

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Product Series Product Name Image Package Size (LxWxH) Nominal Frequency (Fn) Frequency Stability (FvT) Temperature Range (°C) Long Term Stability 24 Hour Holdover
High End Telecom OCXO
ROX5242T1 52 x 22 x 14 mm
52 x 22 x 19 mm
5 to 12.8 MHz ±0.1 ppb -20 to 70 °C ±0.02 ppb/day
±3 ppb/year
±20 ppb/20 years
<1 µs
High End Telecom OCXO
ROX5242T2 52 x 42 x 25 mm 5 to 15 MHz ±0.2 ppb -40 to 85 °C ±0.05 ppb/day
±8 ppb/year
±40 ppb/20 years
<3 µs

PPS Disciplined OCXOs for Base Stations, CUs & DUs

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Product Series Product Name Image Package Size (LxWxH) Nominal Frequency (Fn) Frequency Stability (FvT) Temperature Range (°C) Long Term Stability 24 Hour Holdover
PPS Disciplined OCXO (PPSDO)
ROD2522S2 25 x 22 x 12 mm 10 to 20 MHz 0.5 ppb pk-pk -40 to 85°C ±0.2 ppb/day
±10 ppb/month
±50 ppb/year
1.5 µs
PPS Disciplined OCXO (PPSDO)
ROD3827T2 38 x 27 x 12 mm 10 to 20 MHz 0.5 ppb pk-pk -40 to 85°C ±0.2 ppb/day
±10 ppb/month
±50 ppb/year
1.5 µs
PPS Disciplined OCXO (PPSDO)
ROD5242T1 52 x 42 x 14 mm 10 to 20 MHz 0.1 ppb pk-pk -40 to 85°C ±0.1 ppb/day
±10 ppb/month
±50 ppb/year
<1.0 µs

XOs for Base Stations, CUs & DUs

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Product Series Product Name Image Package Size (LxWxH) Nominal Frequency (Fn) Frequency Stability (FvT) Temperature Range (°C) RMS Phase Jitter Output Waveform
Low Noise and Low Jitter XO
RXO5032M 5.0 x 3.2 x 1.2 mm 8 to 800 MHz ±15 to 50 ppm -40 to 85 °C 0.1 ps; 12 kHz to 20 MHz LVCMOS
LVDS
LVPECL
Low Noise and Low Jitter XO
RXO7050M 7.0 x 5.0 x 1.6 mm 8 to 800 MHz ±15 to 50 ppm -40 to 105 °C 0.1 ps; 12 kHz to 20 MHz LVCMOS
LVDS
LVPECL
Low Noise and Low Jitter XO
RXO2520P 2.5 x 2.0 x 0.8 mm 8 to 1500 MHz ±25 to 50 ppm -40 to 85 °C 0.5 ps; 12 kHz to 20 MHz LVCMOS
LVDS
LVPECL
Low Noise and Low Jitter XO
RXO5032P 5.0 x 3.2 x 1.2 mm 8 to 1500 MHz ±25 to 50 ppm -40 to 85 °C 0.5 ps; 12 kHz to 20 MHz LVCMOS
LVDS
LVPECL
Low Noise and Low Jitter XO
RXO7050P 7.0 x 5.0 x 1.6 mm 8 to 1500 MHz ±25 to 50 ppm -40 to 85 °C 0.5 ps; 12 kHz to 20 MHz LVCMOS
LVDS
LVPECL
Low Noise and Low Jitter XO
RXO2520R 2.5 x 2.0 x 0.8 mm 8 to 1500 MHz ±25 to 50 ppm -40 to 85 °C 1 ps; 12 kHz to 20 MHz LVCMOS
LVDS
LVPECL
Low Noise and Low Jitter XO
RXO5032R 5.0 x 3.2 x 1.2 mm 8 to 1500 MHz ±25 to 20 ppm -40 to 85 °C 1 ps; 12 kHz to 20 MHz LVCMOS
LVDS
LVPECL
Low Noise and Low Jitter XO
RXO7050R 7.0 x 5.0 x 1.6 mm 8 to 1500 MHz ±25 to 50 ppm -40 to 85 °C 1 ps; 12 kHz to 20 MHz LVCMOS
LVDS
LVPECL

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