SIT9003AC-1-18SD

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Programmable oscillators serve many purposes, from providing clock signals for microcontroller and other system components, to helping synchronize complex systems. The SIT9003AC-1-18SD is one of the many programmable oscillators designed to fulfill a wide range of applications. This article covers the application field and working principle of the SIT9003AC-1-18SD programmable oscillator.

Application Field
The SIT9003AC-1-18SD is a dual-mode high frequency programmable oscillator which operates over a wide frequency range (9MHz to 18GHz). It can be used in applications such as wireless communications, GPS receivers, WLAN, data communication systems, and radar systems. It features high frequency resolution and excellent phase noise performance, which makes it suitable for such applications where low noise and high frequency resolution are important.

Working Principle
The SIT9003AC-1-18SD utilizes a unique switching circuit combined with a voltage-controlled oscillator to produce a programmable oscillator. The switching circuit sets the frequency of the oscillator based on the voltage provided. This oscillator can be programmed over a range of frequencies from 9MHz to 18GHz, and the frequency resolution can be as fine as 0.01Hz. The excellent phase noise performance makes the oscillator suitable for many applications where low noise is desired.

The SIT9003AC-1-18SD also offers advanced features such as automatic temperature compensation, internal user-programmable memory and programmable over-temperature protection. The internal user-programmable memory lets users store data and settings in the programmable oscillator, while the over-temperature protection prevents accidental damage due to excessive temperatures.

Conclusion
The SIT9003AC-1-18SD is a high frequency programmable oscillator with a wide frequency range, excellent phase noise performance and advanced features. It is suitable for applications such as wireless communications, GPS receivers, WLAN, data communication systems and radar systems, where high frequency resolution and low noise are required. Additionally, its internal user-programmable memory and over-temperature protection help ensure reliable operation in a range of environments.

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