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Oscillators: ASET-27.000MHZ-Y-T Application Field and Working Principle

An oscillator is an electronic device that produces a continuous OUT going signal, often a sine wave or a square wave. Oscillators are used to generate a signal of a specific frequency and amplitude for various purposes, including generation of clock signals, frequency reference signals, modulation of certain communication signals, etc. The oscillator used in this article is the ASET-27.000MHZ-Y-T models, which is a quartz oscillator commonly used in microwave communication applications.

Application Field

The ASET-27.000MHZ-Y-T quartz oscillator is primarily used for high frequency applications in microwave communication. It is primarily used to provide a stable frequency reference signal for microwave transmitters, receivers, transceivers and amplifiers. Additionally, it is also used in applications such as radar systems, guidance systems and satellite communications.

Working Principle

The ASET-27.000MHZ-Y-T quartz oscillator works on the principle of a piezoelectric effect. In this type of oscillator, a quartz crystal is used as the active element. The quartz crystal is cut out in such a way that it will vibrate at a certain frequency when an electric field is applied to it. This frequency is known as the resonant frequency of the crystal.

The quartz crystal is excited by a tuned amplifier circuit to vibrate at its resonant frequency. To do this, a DC voltage is applied to the quartz crystal, which creates an electric field around it. This electric field causes the quartz crystal to deform due to the piezoelectric effect. This deformation causes the quartz crystal to vibrate at its resonant frequency.

The vibration of the quartz crystal causes an AC voltage to be generated across its terminals. This voltage is then passed through the amplifier circuit, which amplifies the signal before passing it out of the oscillator.

Conclusion

The ASET-27.000MHZ-Y-T quartz oscillator is a high frequency quartz oscillator used primarily in microwave communication applications. It works on the principle of a piezoelectric effect, where a DC voltage is applied to a quartz crystal causing it to vibrate at its resonant frequency. This vibration creates an AC voltage, which is then amplified and passed out of the oscillator.

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