SiTime Rearchitects Wireless Infrastructure Timing with New Elite RF Platform
Integrated Super-TCXO Delivers RF and Synchronization Performance, 30x Higher Reliability, and 20x Better Environmental Resilience
The Elite RF Super-TCXO is an entirely new class of MEMS-based temperature-controlled oscillators. They are purpose-built to withstand extreme environments in which 5G radios are deployed, while delivering the phase noise, accuracy, and resilience in a single, highly integrated device. These devices also meet the stringent performance requirements specified by the IEEE 1588v2 timing synchronization protocol.
Until now, mini-OCXOs were the primary timing reference for 5G and SATCOM radios. Mini-OCXOs provided the stability over changing temperature that was necessary to clock advanced synchronized radios. While mini-OCXOs are accurate, they are notoriously unreliable, especially in harsh environments, and they consume excessive power and board space and require additional components, such as jitter cleaners and VCXOs for generating RF-capable clocks. One Elite RF Super-TCXO replaces all these components.
“To enable new services, radios are expected to deliver 10x the bandwidth of previous generations with significantly lower latency,” said
Elite RF Super-TCXO Family Highlights
- 1 to 220 MHz any frequency output
- ±100 ppb stability over temperature
- -40 °C to +105 °C operating temperature range
- ±0.9 ppb/°C stability over temperature slope
- ±400 ppm digital control with ±0.05 ppt (parts per trillion) resolution
- 100 fs typical integrated phase jitter (19.2 MHz, 12 kHz to 20 MHz integration range)
- 0.3 ppb/day typical daily aging
- 144 mW power consumption at 1.8V
- 5.0 mm x 3.5 mm ceramic package
Limited customer sampling available now; general sampling available in Q2 2023; mass production is expected in Q3 2023. Contact SiTime for additional product and ordering information.
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Learn more about the Elite RF SiT5376/SiT5377 Super-TCXOs
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