PL123E-05SI-R

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Clock and timing systems play an important role in many computing, communication and power systems. The PL123E-05SI-R is a popular clock generator, phase locked loop (PLL) frequency synthesizer designed for a variety of timing applications. In this article, we\'ll look at the features, application field and working principle of the PL123E-05SI-R.

Features of the PL123E-05SI-R

The PL123E-05SI-R is a highly accurate, low power, and cost-effective clock generator and frequency synthesizer. It provides several features that make it well suited for many applications. For example, the unit is able to generate 1 to 6 precise clock outputs from a single reference clock and can even be used as a clock multiplier, providing six identical and low-noise clocks from a single reference. Additionally, the unit has an operating frequency range of 4MHz to 250MHz and can be programmed via I2C. Finally, it is packaged in an industry-standard 65-pin Surface Mount (SSOP) package.

Application Field of the PL123E-05SI-R

Due to its wide range of features and its compact package, the PL123E-05SI-R is used in a variety of applications. First, the unit provides low-noise clock generation and multiplication, making it suitable for precision timing applications such as microprocessor and digital signal processing (DSP) systems. Additionally, the unit is also used in power systems, due to its low power requirements. Finally, the PL123E-05SI-R is also used in wireless communication systems, as it provides accurate clock and timing signals that are essential for wireless transmission.

Working Principle of the PL123E-05SI-R

The working principle of the PL123E-05SI-R is straightforward. The device contains a phase-locked loop (PLL) circuit, which is responsible for tracking and outputting clock signals. The PLL consists of four basic components: a phase detector, a low-pass filter, a voltage-controlled oscillator (VCO), and a divider. The phase detector compares the reference and feedback signals and produces an error signal, which is filtered by the low-pass filter. This filtered signal is then used to adjust the VCO frequency, which is then divided down to the desired frequency and output.

The PL123E-05SI-R also contains other circuitry, such as a control interface, power management components and reference clock pre-processing circuitry. Additionally, the device includes a fractional-N frequency synthesizer, which allows for precise and low-noise frequency tuning.

Conclusion

The PL123E-05SI-R is a popular clock generator and frequency synthesizer that is used in many applications. It provides a wide range of features, such as low power consumption and frequency synthesis, that make it well suited for many timing applications. Additionally, the device\'s working principle is based on a simple PLL circuit, which allows for precise and low-noise clock generation. As such, the PL123E-05SI-R is well suited for many timing applications and has become a popular choice for many system designers.

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