353NB5C614T

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Oscillators are devices that can construct electrical signals over a wide range of frequencies. A particular type of oscillator is known as the Microelectromechanical Systems (MEMS) Oscillator, which incorporates MEMS technology combined with an oscillator circuit. One such MEMS Oscillator is the 353NB5C614T, which is specifically designed to handle a variety of applications including consumer products, automotive, communications, and many more.

Application Field

The 353NB5C614T is an oscillator used for a variety of applications. It is ideal for use in consumer products due to its size and high level of accuracy. Its small size and low power consumption also make it suitable for automotive applications, including vehicle positioning systems and passive safety electronics. Furthermore, its wide frequency tuning range and low phase noise over a temperature range of -40⁰C to +125⁰C makes it particularly suitable for communication applications, including 3G/4G, WiFi, GPS, and Bluetooth radio.

Working Principle

The 353NB5C614T is a quartz-based MEMS oscillator that utilizes a MEMS resonator for frequency control. The frequency is determined by the stress applied to the membrane of the resonator, which is created by an oscillator circuit consisting of an amplifier, a MEMS bridge, a temperature compensated voltage controlled crystal oscillator (TCVCXO), and passive components. The MEMS bridge is the key component that regulates the oscillation frequency, based on electrostatic forces between electrodes located on top and bottom of the bridge.

The MEMS bridge produces a controllable frequency range that is a fraction of that of the crystal\'s natural frequency. A dedicated frequency control pin is then used to adjust the frequency of the oscillator over a wide range. Furthermore, the MEMS oscillator’s low power consumption and ability to operate over a wide temperature range allows it to be used in a variety of applications.

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