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Date: 20-11-13

Piezoelectric MEMS oscillator perform better than quartz

Sand 9 has launched Piezo-electric MEMS timing device based on its patented Temperature Compensated MEMS Oscillator (TCMO) platform.

Sand 9 says the TM651 exceeds the performance of quartz in several ways, offering exceptional activity dip suppression, superior shock and vibration immunity, and outstanding electromagnetic interference (EMI) protection. The TM651 is also said to provide 100 times better electromechanical coupling over conventional electrostatic MEMS architectures. This produces a significantly higher signal-to-noise ratio (SNR), supporting far greater performance than any other MEMS solution, according to Sand 9

“While every electronic application needs a timing device in order to function, quartz-based products have been historically slow to evolve,” said Vince Graziani, CEO, Sand 9. “The TM651 is a major step forward in that evolution. It delivers greater precision and higher reliability than competitive solutions, which is critically important for large communications infrastructure systems, such as data center switches, Ethernet communications and point-to-point radios—applications for which packet loss or loss of signal is simply not acceptable. These attributes are equally crucial for thousands of different high-value industrial and military applications.”

The features of TM651 as described by Sand 9:

The TM651 is a voltage controlled and temperature compensated MEMS oscillator with differential output, high output frequency, low jitter and high stability, making it ideally suited for precision timing applications. Its architecture consists of a piezoelectric MEMS resonator hermetically bonded to an RF ASIC containing oscillator and temperature compensation circuitry.
125 MHz high frequency with differential output—offers more than 50% lower current drain relative to comparable quartz products
Ultra-precision RMS jitter at

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