CDCE421YS

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The CDCE421YS clock generator is a frequency synthesizer designed to provide a wide range of multimode PLL clock frequency and clock phase output. The device is used in various applications including communications links and systems, military/aerospace, test and measurement equipment, instrumentation, and various industrial applications. The CDCE421YS clock generator is based on the innovative ClockWORKs (CWK) technology and is designed to generate a wide range of clock and data frequencies, from 7.5KHz up to 2.0GHz.

The primary objective of the CDCE421YS clock generator is to provide a reliable and cost-effective PLL-based clock frequency and phase for a wide range of applications. The device is designed to provide phase and frequency tunes using either a fixed or a programmable reference clock. The programmable reference clock can be programmed to a range of 7.5kHz to 2.0GHz. It features programmable phase parameters, such as the damping factor, the jitter frequency, and the output duty cycle. It also includes a temperature compensation feature, allowing the output phase to be precisely adjusted by controlling the environment temperature.

The CDCE421YS clock generator works through a three-stage programmable PLL structure. First, the signal is passed through an RF section, making it ready for a PLL signal processing. Then, a programmable control circuit applies a set of voltage dividers to tune the frequency and phase parameters of the clock generator. Finally, the signal is fed to a low power triggered oscillator output, providing a low-jitter, low-noise PLL clock frequency. The device also includes a low power process which will reduce power consumption and enable higher frequency clock signals, excellent frequency response, and whiter noise output.

The CDCE421YS clock generator features a programmable spread spectrum oscillator, capable of providing an additional clock modulation and ensuring that clock frequencies appear stable from an imaging point of view. This is particularly important for applications where high performance radiated emissions are critical. Additionally, the device has an integrated voltage control loop (VCL) which can improve both the frequency and phase stability. Finally, the device is equipped with a wide range of integrated EMI suppression features, ensuring better low-EMI performance.

Overall, the CDCE421YS clock generator is an excellent choice for various communication, military/aerospace, test and measurement, and industrial applications. It is designed to provide a reliable, cost-effective PLL-based clock frequency and phase with excellent frequency and phase stability, low jitter, low noise, and wide range of EMI suppression features. The device is of great value in areas demanding high performance requirements.

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