AX7PBF4-106.2500C

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Oscillators are electronic circuits that generate a waveform and are highly used to create signals for communication. AX7PBF4-106.2500C is an application of the oscillator circuits that helps with generating a specific frequency. The generated frequency is a result of an active element such as a transistor or the crystal’s self-resonance structure’s energy. In the following discussion, the application field and working principle of AX7PBF4-106.2500C is described in detail.

Application

AX7PBF4-106.2500C is a fundamentally a quartz crystal oscillator, with a fundamental frequency (or the quartz’s natural resonance frequency) of 25kHz.The application of AX7PBF4-106.2500C includes radio transmitters, television and video equipment, frequency generators, and other electronic devices that require the production of a certain frequency of sound or a certain rate of signal pulses.

AX7PBF4-106.2500C is most useful where an accurate and stable frequency is necessary. This oscillator has an excellent frequency stability with frequency aging of only <50 ppm/year over a specified temperature range. This makes it especially suitable for industrial applications in which accuracy and reliability is crucial, such as metrology, frequency calibration, and industrial automation.

Working Principle

In AX7PBF4-106.2500C, a quartz crystal acts as the active element. A quartz crystal comprises of brittle, chemically inert and electrically-conductive crystalline material. The crystal is cut in the form of a plate and its surfaces are built with electrodes. When subjected to an electric current, the crystal vibrates in a definite frequency which is based on its physical shape and dimensions.

An oscillator circuit is formed by connecting the quartz crystal element to an amplifier. The purpose of the oscillator circuit is to convert electrical signals into periodic mechanical signals, allowing a waveform to be selected. The amplifier’s role is to amplify input signals and with the help of the quartz crystal\'s oscillation frequency, to produce an output signal.

In the case of AX7PBF4-106.2500C, the amplitude of the output signal continues to increase until it is coupled with the crystal’s natural frequency, resulting in an amplified output signal of the same frequency. The output signal then passes through a voltage control buffer and frequency divider, producing the desired frequency of 25kHz. This increase in the amplitude of the output signal is done by connecting external components to the oscillator’s circuit and to the crystal, which is termed as the crystal’s equivalent circuit.

Conclusion

To summarize, AX7PBF4-106.2500C is an oscillator circuit used for applications that require a certain frequency output. It consists of a quartz crystal where its physical parameters enhance an oscillator circuit, allowing conversion of input electrical signals to a desired frequency output. The output is amplified based on the self-resonance of the crystal’s vibration frequency which, in this case, is 25kHz.

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