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Introduction

A programmable oscillator is a type of oscillator designed to achieve a range of frequencies with minimal components and complex circuit designs. This has made it popular in a variety of applications, from RF communications to broadband solutions. One of the most popular programmable oscillators is the SIT9005ACL1H-28DA. This article will discuss the application field and working principle of this programmable oscillator.

Application Field

The SIT9005ACL1H-28DA programmable oscillator can be used in a variety of applications. It offers a wide range of frequency output options, ranging from 10MHz to 1000MHz. This makes it ideal for applications such as high-speed communication, radar systems, and high-end electronic systems. Additionally, its high frequency stability makes it suitable for broadband applications.

The SIT9005ACL1H-28DA can also be used in automotive applications. It is able to withstand high temperatures and is highly resistant to vibration, making it ideal for car electronics. Additionally, its low jitter makes it suitable for automotive applications that require precise timing pulses.

Finally, the SIT9005ACL1H-28DA is also suitable for medical applications. It offers low phase noise, making it suitable for applications that require precision timing. Additionally, its wide frequency range makes it suitable for applications such as Magnetic Resonance Imaging (MRI) systems.

Working Principle

The SIT9005ACL1H-28DA programmable oscillator works on a fractional-N frequency synthesis principle. This means that it uses a combination of digital logic and analog components to generate a wide range of frequencies. The oscillator contains a digital frequency synthesizer, which is controlled by a series of parameters. This allows the user to select which frequency should be output.

The oscillator also contains a PLL (Phase Locked Loop) circuit. This circuit is used to ensure that the output frequency remains stable and accurate. The PLL uses a reference frequency, which is fed into the oscillator. This reference frequency is then used to ensure that the output frequency remains in sync with the reference frequency.

Finally, the oscillator also contains a wideband VCO (Voltage Controlled Oscillator). This is used to generate the output frequency. The VCO can be tuned by adjusting the control voltage. This allows the user to switch between a wide range of frequencies.

Conclusion

The SIT9005ACL1H-28DA programmable oscillator is a versatile device that can be used in a variety of applications. It can generate frequencies between 10MHz and 1000MHz, making it suitable for high-speed communication and automotive applications. Additionally, its frequency stability makes it suitable for broadband applications. Finally, its low jitter and low phase noise makes it suitable for medical applications that require precision timing.

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