SI51218-A1JAFMR

SI51218-A1JAFMR is a versatile clock generator, phase-locked loop (PLL) and frequency synthesizer integrated circuit. It includes a wide range of features such as programmable output frequencies, wide operation range, serial interface, integrated voltage-controlled oscillator (VCO), programmable output drive levels, and jitter attenuation.

Application field

The SI51218-A1JAFMR IC can be used in many different applications, such as cell phones, PDAs, LCDs, portable media players, data communication equipment, microwave communications, and satellite communications. It is especially suited for applications where high clocking speeds, low power consumption, and precise frequency measurements are critical.

Working Principle

The SI51218-A1JAFMR integrates a low-noise programmable PLL circuit to generate a stable output clock frequency at a certain range, based on an input signal such as a crystal oscillator or a reference clock. This PLL circuit is controlled by a variety of internal and external control signals. The output frequency of the SI51218-A1JAFMR can be adjusted by varying the frequency of the input signal, by changing the internal frequency control registers, or by adjusting the external control signals. The integrated VCO also provides precise control of frequency output, allowing for greater accuracy in sensitive applications.

In addition, the SI51218-A1JAFMR can provide high accuracy frequency measurement when used in combination with a modern frequency counter. The PLL circuit implemented in the IC provides high accuracy reference for all of its output clocks. This makes it possible to use the SI51218-A1JAFMR as a frequency meter in a variety of applications, including high frequency measurements and jitter characterization.

Conclusion

The SI51218-A1JAFMR is a versatile and highly capable clock generator, phase-locked loop and frequency synthesizer IC. It offers a wide range of features including programmable output frequencies, wide operating range, integrated VCO, programmable output drive levels, and jitter attenuation. This IC can be used in many different applications, including cell phones, PDAs, LCDs, portable media players, data communication equipment, microwave communications, and satellite communications, and can provide precise frequency readings and measurements for highly sensitive applications.