ZL30266LDG1

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Part Status:	Active

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Introduction:ZL30266LDG1 is a highly integrated, leading edge and high performance Frequency Synthesizer manufactured by ZL Micro, Inc. It is a highly advanced PLL based Frequency Synthesizer. It is fully programmable, allowing it to adapt to diverse system needs like wide-range frequency synthesis, low noise, and low jitter for many applications.Application Field:The ZL30266LDG1 is suitable for a wide variety of applications such as clock generation, automotive, mobile audio, digital video, video surveillance, WLAN and many others. It is especially designed for high volume production and service in automotive industry. It can be used in GPS applications, Bluetooth, Wi-Fi, satellite and other applications. It is ideal for embedded applications such as navigation and navigation systems.Working Principle:The working principle of the ZL30266LDG1 is based on a PLL operating at wide-frequency in a closed-loop control system. The input frequency is divided by the programmable divide-by-N prescaler. The resulting divided frequency is integrated and compared with the reference clock frequency. The difference between the Integrated and comparison is used to control the voltage-controlled oscillator, which is the output frequency of the synthesizer.The synthesizer maintains its output frequency by attempting to maintain the loop-control range and keeping the output frequency within its specified range. The voltage of the VCO can be tuned to a higher or lower frequency range by adjusting an adjustment capacitor. The adjustment capacitor is used to tune the VCO to the desired operating frequency range.As the loop-control range improves, the VCO output frequency is maintained more accurately. This can be improved by increasing the oversampling rate - the frequency of the input reference clock - or by increasing the loop-control range by adding more high-resolution bits.In addition to loop-control range, the jitter and noise characteristics are also important for the performance of a synthesized frequency. The minimum jitter and noise values for a given output frequency can be achieved by increasing the loop-control range and oversampling rate or by reducing the tuning range of the VCO.Conclusion:The ZL30266LDG1 is a high-performance Frequency Synthesizer designed for a wide range of applications. It is suitable for use in automotive, mobile audio, digital video, video surveillance and WLAN applications. It provides wide synthesis range, low noise and low jitter performance. The working principle of the ZL30266LDG1 is based on a PLL operating at wide-frequency in a closed-loop control system. The loop-control range, oversampling rate, and VCO tuning range should be adjusted to achieve the optimal performance.

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