RO3112A Crystals, Oscillators, Resonators

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Resonators are important elements used to stabilize an oscillator circuit. The RO3112A is a type of resonator that is made from high quality quartz crystal. It is designed to provide high frequency, low noise, and excellent frequency stability in applications with high demands. This article will discuss the application field and working principle of the RO3112A.

The RO3112A is a low cost, surface-mount resonator, suitable for applications where frequency stability and low noise are paramount. It can be used in applications such as automotive and industrial electronics, microwave communication systems, and multiplexing systems. The resonator is designed to provide stable, narrow band operation in the frequency range of 40 to 60MHz, with a frequency stability of 0.5 to 2ppm over temperature ranges from -20°C to +70°C.

The working principle of the RO3112A takes advantage of the properties of quartz crystals. Quartz is a piezoelectric material, which means it responds to mechanical stress by generating electrical energy. When a crystal is placed between two electrodes, it will generate a voltage when it is distorted by an applied alternating current. This voltage is fed back to drive the crystal back to its original shape, and a resonant frequency is established. This resonance is maintained and results in a narrow frequency band. The frequency is determined by the shape and size of the crystal, and can be adjusted by changing the amount of electrical energy supplied to it.

The RO3112A resonator is designed to operate in a stable, narrow frequency band, providing low frequency deviation and low noise. The frequency stability over temperature is maintained by the use of an internal impedance compensator and an AT-cut quartz crystal. The internal impedance compensator provides constant load resistance over temperature ranges and ensures the resonator is stable at any temperature. The AT-cut crystal ensures that the frequency remains within the desired band over all operating temperatures.

The RO3112A is available in a range of specifications, including frequency range, frequency stability, peak power, and operating temperature range. It is easy to implement, with a simple two-pin configuration, and is compatible with most surface mountable circuit elements. The resonator is also RoHS compliant, and no external components are required for operation.

In summary, the RO3112A is a low-cost, surface-mount resonator suited to applications where high frequency stability and low noise are required. Its features include an internal impedance compensator, AT-cut quartz crystal, and RoHS compliance, and it is capable of operating over broad temperature ranges. The resonator is easy to implement, with a two-pin connection, and no external components are required for operation.

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