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Emerald Platform™ Oven-Controlled Oscillators (OCXOs)

2019-03-08 user ico Iczoom eye 23

  

  SiTime's Emerald Platform OCXOs releases are a game-changing MEMS timing solution for 5G infrastructure applications

  SiTime Corporation’s Emerald Platform is the first MEMS oven-controlled oscillator (OCXO) in the industry. OCXOs offer the pinnacle of performance in timing and are critical to the reliable operation of all communications networks. However, quartz-based OCXOs are extremely sensitive to environmental stressors such as vibration, temperature changes, and shock, which can degrade network performance, reduce uptime, and impact mission-critical services such as advanced driver assistance systems (ADAS). SiTime’s Emerald OCXOs solve these problems.

  As mobile operators move into 5G and edge computing, they will require much tighter time synchronization in the radio equipment, which necessitates the use of OCXOs. Prior to 5G, this OCXO was deployed in a well-controlled environment. Now, the computing, core network, and radio will be collapsed into a system that may be deployed in an uncontrolled environment such as a tower, rooftop, or lamppost. These OCXOs will be able to handle exposure to vibration and temperature extremes in these environments. Legacy quartz OCXOs are custom built from the ground up. There are severe limitations on the availability of features, such as frequencies, output types, operating temperature, and in-system control. SiTime’s Emerald Platform MEMS OCXOs do not have these limitations. Using a programmable analog architecture, the Emerald OCXO offers any frequency between 1 MHz and 220 MHz, ensuring that the customer can select the optimal frequency for their application. The device also offers two output types, LVCMOS and clipped sine-wave, for optimal board performance.

Emerald Platform™ Oven-Controlled Oscillators (OCXOs).jpg

  Features and Benefits

  10 times better dynamic stability under airflow and fast temperature ramp, ensures best system performance in harsh environments

  ±5 ppb overtemperature stability

  2e-11 ADEV at 10 sec under airflow

  ±50 ppt/°C frequency slope (ΔF/ΔT)

  Unmatched ease-of-use, simplifying system design

  No restrictions on PCB placement

  No mechanical shielding needed for thermal isolation

  Resistant to humidity

  No external regulator needed

  Smallest size, ideal for high density and small form factor systems

  9 mm x 7 mm footprint, 75% smaller

  6.5 mm height, 40% thinner

  Any frequency from 60 MHz to 220 MHz

  LVCMOS or clipped sine-wave outputs

  On-chip regulators, no need for external LDOs or ferrite beads

  Semiconductor-level quality and reliability, batch to batch consistency

  No activity dips or micro jumps

  Applications

  SONET/SDH Stratum 3E

  4G/5G RRH, DU

  Base stations

  Core and edge routers

  Carrier-class switches

  IEEE 1588 boundary clocks

  IEEE 1588 grandmasters

  Instrumentation

  GNSS disciplined timing modules

  Power and energy

  Defense and aerospace

  Long-range communications

Emerald Platform™ OCXOs

图片制造商零件编号描述
OSC LVCMOS 10.0MHZSIT5711AI-KX-33N-10.000000FOSC LVCMOS 10.0MHZ
OSC LVCMOS 12.8MHZSIT5711AI-KX-33N-12.800000FOSC LVCMOS 12.8MHZ
OSC LVCMOS 20.0MHZSIT5711AI-KX-33N-20.000000FOSC LVCMOS 20.0MHZ
OSC LVCMOS 25.0MHZSIT5711AI-KX-33N-25.000000FOSC LVCMOS 25.0MHZ
OSC LVCMOS 40.0MHZSIT5711AI-KX-33N-40.000000FOSC LVCMOS 40.0MHZ
OSC LVCMOS 50.0MHZSIT5711AI-KX-33N-50.000000FOSC LVCMOS 50.0MHZ
OSC LVCMOS 10.0MHZSIT5711AI-KW-33N-10.000000FOSC LVCMOS 10.0MHZ
OSC LVCMOS 12.8MHZSIT5711AI-KW-33N-12.800000FOSC LVCMOS 12.8MHZ
OSC LVCMOS 20.0MHZSIT5711AI-KW-33N-20.000000FOSC LVCMOS 20.0MHZ
OSC LVCMOS 25.0MHZSIT5711AI-KW-33N-25.000000FOSC LVCMOS 25.0MHZ


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keywords:Emerald Platform,Oven-Controlled Oscillators,OCXOs
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