C3290-20.480

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Oscillators

A C3290-20.480 is a Ceramic Resonator Oscillator that features a high frequency stability over an extended temperature range. The particular frequency of this oscillator is 20.480 MHz. This type of oscillator can be found in many electronic applications such as frequency dividers, frequency synthesizers, telecom transceivers, and digital receivers. It is also used in various military, industrial, and consumer applications.

Application Field

C3290-20.480 Ceramic Resonator Oscillator is a wideband device mainly used in applications as frequency dividers and frequency synthesizers. The oscillator is designed with a high frequency stability over a wide temperature range, typically -40 °C to +85 °C. It is suitable for use in telecommunications, military, industrial, and consumer.

Working Principle

The working principle of a C3290-20.480 Ceramic Resonator Oscillator is based on the parametric frequency retaining properties of acoustically excited thin plate structures. The oscillator relies on a resonance beam with a single conducting plate. The oscillator works using piezoelectric transduction, where the electrical signal is applied to the resonant beam which then produces a mechanical oscillation. This mechanical oscillation is then converted back to an electrical signal.

The output frequency of the oscillator is based on the piezoelectric components in the resonator, combined with the mechanical and electrical properties of the thin plate. When excited by an AC electrical signal, the piezoelectric components produce a mechanical vibration in the resonator plate. This vibration in turn produces the electrical output signal.

The C3290-20.480 Ceramic Resonator Oscillator is designed with thin layers of ceramic material that are laser trimmed. This ensures stability and low phase noise over temperature. This type of oscillator also offers high accuracy and good temperature stability.

Conclusion

The C3290-20.480 Ceramic Resonator Oscillator is a specialty component designed with a high frequency stability over an extended temperature range. It is mainly used in applications as frequency dividers and frequency synthesizers, and other consumer, industrial, military, and telecommunications applications. Its working principle is based on the piezoelectric transduction of the thin plate and is engineered with stability and accuracy in mind.

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