SIT3809AI-C-18NH

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Programmable Oscillators are widely used in many modern electronic and communication systems to generate signals or oscillations with precise frequencies, shapes and durations. The SIT3809AI-C-18NH is one such oscillator from Sitronix Technology Corp. that combines compact size and easy programmability. It has a wide range of applications and works quite efficiently in electronic and communication systems.

The SIT3809AI-C-18NH programmable oscillator is built with a 3-wire Serial Peripheral Interface (SPI) and is driven by either a 1.8-V or 3.3-V input voltage. The SPI communication interface allows a great deal of flexibility and allows the frequencies to be adjusted easily. The SIT3809AI-C-18NH is also equipped with a digital programmable timer.This timer is used to set the frequency of the oscillator and can support up to 16 frequency settings. It also supports clock outputs such as CMOS, LVCMOS, LVDS, and I2S.

The SIT3809AI-C-18NH has a wide range of applications in electronic and communication systems. It is commonly used to control the speed of motors, generate audio frequencies, and control microprocessors in electronic devices. It is also used for frequency synthesis applications, such as microcontroller and DSP circuits. In addition, the SIT3809AI-C-18NH is often used for clock and data recovery, phase-locked loop (PLL) circuits, and radio frequency (RF) systems.

The working principle of the SIT3809AI-C-18NH is relatively simple. It is a digital-controlled programmable oscillator, meaning that the frequency of the oscillator is determined by the SPI interface. When a voltage input is applied to the oscillator, the control logic reads the predetermined SPI data and sets the oscillator to the desired frequency. The oscillator then begins to generate oscillations at a given rate based on the SPI data. This oscillator also uses a timer to control the frequency of the oscillations, which can be set as desired.

Overall, the SIT3809AI-C-18NH is a versatile and efficient programmable oscillator with a wide range of applications in electronic and communication systems. It is a 3-wire Serial Peripheral Interface (SPI) driven by either a 1.8-V or 3.3-V input voltage. It is also equipped with a digital programmable timer that can support up to 16 frequency settings. The SIT3809AI-C-18NH is a highly efficient and effective programmable oscillator for many electronic and communication systems.

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