SIT9120AI-2D3-25S166.666000X

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Oscillators Introduction

An oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave. Oscillators convert direct current (DC) from a power supply to an alternating current (AC) signal. They are widely used in many electronic devices, including radios, televisions, cell phones, computers and even robots. Oscillators are used in a variety of applications, from simple clocks and timers to advanced high-frequency radio transmitters.

SIT9120AI-2D3-25S166.666000X Application Field and Working Principle

The SIT9120AI-2D3-25S166.666000X is an ultra-low-power, dual frequency, dual frequency/phaseLocate oscillator mainly designed for high-definition LCD displays, delivering wide temperature, below-integer 1st-PLL performance, while running from a 3V supply. It is basically a timer with the oscillator being controlled by an on-chip programmable frequency source, such as an internal RC oscillator or external crystal oscillator. The output signal is a square wave which sets the period or frequency of the system.

This high performance PLL is capable of providing very good tracking capabilities both in frequency and phase, making it ideal for broadcast video signals or any other type of signal that requires a long and smooth timing procedure. Moreover, the wide temperature range and the ability to provide both dual frequency and dual phase-lock loops makes it ideal for applications such as industrial control and aerospace.

The SIT9120AI-2D3-25S166.666000X is based on an analog control system that is responsible for setting the timing parameters. The timing accuracy is achieved with the help of an internal isochronous or asynchronous delay chain, allowing for fast adjustment of reference parts, which can be used for clock management or signal separation. The timing accuracy is then improved by a high-speed active filter, which compensates for non-linearities in the reference signal and digital filters, which are useful if the signal is noisy or corrupted.

In terms of its working principle, the oscillator works on the principle of energy storage and release. It has a capacitance and an inductance which form an LC tank circuit, which when excited creates an oscillating signal. The device works by charging and discharging the energy stored in its capacitance and inductance, thus producing an oscillating current. This is known as an LC oscillator.

The SIT9120AI-2D3-25S166.666000X is widely used in HD displays, TVs, mobile phones and other digital devices as its versatile, accurate, low power and economical nature makes it an ideal choice. Its excellent tracking capabilities mean it may also be used for broadcast level video transmissions or any type of transmitters and receivers requiring a low power signal with high accuracy.

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