SI4136-F-GMR

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Introduction

SI4136-F-GMR is a low-power, low-jitter clock generator and frequency synthesizer. It is a versatile device that provides the flexibility needed to meet the custom timing requirements of a wide range of applications. It utilizes a differential crystal output, providing low-jitter, high-accuracy clock signals with minimal power consumption at frequencies up to 400MHz.

Application Field

SI4136-F-GMR is suitable for a wide range of applications, including network equipment, telecommunications, storage devices, and video, audio, and broadband systems. It is also suitable for use in medical and automotive devices that require precise timing control. Due to its low-power consumption, the device is ideal for mobile devices and portable systems.

The device is also applicable in any application that requires the reliable delivery of accurate and low noise frequency signals. With its wide operating frequency range and its robust clock jitter suppressing characteristics, the SI4136-F-GMR is suitable for a variety of data communications, networking, and computing applications.

Working Principle

The SI4136-F-GMR is a clock generator based on a Gigahertz Programmable Dual-Input Oscillator (GaP DOS). The GaP DOS structure combines the features of two oscillators - a voltage-controlled oscillator (VCO) and a resonator - to produce precise frequency and stability. The resonator is a low-jitter crystal oscillator, or a quartz crystal, which provides a stable signal that can be used to control the frequency output of the integrated clock generator.

The VCO is built from a GaP circuit that utilizes a pair of transistors to create a highly precise frequency signal. The VCO enables exact frequency control of the clock output by adjusting the voltage applied to it. The voltage-controlled oscillator is used to fine-tune the frequency and create precise clock signals with minimal jitter.

The SI4136-F-GMR operates using a closed-loop handshake between the VCO and the resonator. The VCO phase-locked loop continuously searches for an optimal phase to lock the VCO output to the resonator output. Once locked, the phase-locked loop automatically adjusts the VCO frequency to maintain the lock. This ensures that a stable and precise frequency is generated, even in case of an input frequency change.

The SI4136-F-GMR is also designed to reduce jitter to an absolute minimum by utilizing a low phase-noise GaP DOS structure. This phase noise suppression allows the device to generate ultra-low jitter signals at frequencies up to 400MHz.

Conclusion

The SI4136-F-GMR is a versatile clock generator and frequency synthesizer. Utilizing a differential crystal output and a GaP DOS structure with low phase noise, the device is capable of providing highly accurate and low-jitter signals up to 400MHz. Consequently, the SI4136-F-GMR is suitable for a wide range of applications, including, but not limited to, medical, automotive, and mobile devices, telecommunications, storage devices, video, audio, and broadband systems, and data communications and computing applications.

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