Precision TCXO (Crystal Oscillator)

TCXO (Temperature compensated crystal oscillator) is a type of crystal oscillator. TCXOs provide a stable clock signal with a temperature compensated circuit and a Crystal unit with good performance over a wide temperature range.
The precision TCXO is a TCXO that achieves equivalent frequency accuracy compared to OCXOs for network infrastructures.

Application

Base station (Small Cell/eNodeB/gnodeB), Switches / Routers (IEEE1588/PTP/SyncE),
Wireless devices / Radio equipment etc.

Crystal Oscillators

Product status

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Product Lineup

To achieve high-precision synchronization with 4G and 5G, we are developing products with a frequency stability of Stratum 3 grade or higher.
In addition to the optional Vc function, the output waveform can be selected from either clipped sine or CMOS.

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Product status

Series Size (mm) * Frequency Frequency Shift by Temperature Operating Temperature Range
Clipped Sine
With Vc function
5.0×3.2×1.5 10 to 50MHz ±0.2ppm -40°C to 85°C
Clipped Sine
Without Vc function
5.0×3.2×1.5 10 to 50MHz ±0.2ppm -40°C to 85°C
CMOS
With Vc function
5.0×3.2×1.5 10 to 50MHz ±0.28ppm -40°C to 85°C
5.0×3.2×1.5 10 to 50MHz ±0.28ppm -40°C to 85°C
  • Product length and width are typical values. Product height is maximum value.

Technical Reference

Advantages of Murata‘s Precision TCXO

More precise timing devices are required for 5G, however, there are issues with high cost, size and power consumption, etc. in OCXO. Therefore, Murata will continue to improve the accuracy of the TCXO in order to create an environment where the OCXO is no longer required.
Murata’s precision TCXO has temperature characteristics equivalent to an OCXO with an accuracy of +/-200 ppb over a temperature range of -40 ºC to 85 ºC. The product ensures the accuracy of the holdover and free-run required by G.8262 in the EEC (Ethernet Equipment Clock).

In order to withstand harsher environments, we are now developing products with a wider temperature range. In addition to small cells, the product is suitable for high-precision synchronous systems using IEEE1588/PTP or synchronous Ethernet.

Base Station Market Trends / Base Station Requirements

Documents

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PDF Catalog

PDF catalogs for Crystal Oscillators are available at the following links:

Precision TCXO (Crystal Oscillator)

Crystal Units (PDF: 0.7 MB)

CAT NO.
p79e-13
UPDATE
12/22/2020

Crystal oscillators (Precision TCXO) (PDF: 0.5 MB)

UPDATE
1/18/2019

Product Lineup of Timing Devices (PDF: 0.5 MB)

UPDATE
12/18/2020

Timing Devices IC Matching Service Information (PDF: 0.6 MB)

UPDATE
2/27/2017