Frequency

Super-TCXOs deliver ±100 ppb stability performance

23rd April 2021
Mick Elliott

Design and sales support for SiTime’s SiT5356 series of MEMS Super-TCXOs has been announced by distributor RFMW.

The SiT5356 series oscillators deliver ±100 ppb stability performance and can be factory-programmed to any combination of frequency (from 1 to 60 MHz), voltage and pull range.

Fully compliant to the GR-1244 Stratum 3 oscillator specifications, SiTime’s unique DualMEMS and TurboCompensation temperature sensing technology deliver stable timing in the presence of environmental stressors – airflow, temperature perturbation, vibration, shock, and electromagnetic interference (EMI).

Programmability enables designers to optimise the clock configuration while eliminating the long lead time and customization costs associated with quartz TCXOs where each frequency is custom built.

For example, the SIT5356AE-FQ-33N0-20.000000 is programed for 25 MHz, LVCMOS output with a 2.5 volt supply.

Applications include, Synchronous Ethernet, Smallcells, IEEE1588 boundary clocks, Optical Transport, Radar, Wireless backhaul, Defense and Aerospace.

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