ADF4212LBCPZ-RL7

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The ADF4212LBCPZ-RL7 is a high performance clock generator / frequency synthesizer designed for use in video, audio and communication applications. The device provides a low-jitter, monolithic clock signal, with a low-jitter oscillator of up to 62.5 MHz. It is an ideal choice for applications requiring noise-free, low-noise signal sources.

Overview

The ADF4212LBCPZ-RL7 has a high performance clock generator / frequency synthesizer based on the ADF4212 family of dielectric resonator oscillator (DRO) oscillators and phase-locked loop (PLL) frequency synthesizers. The main features include an adjustable clock frequency between 31.25 MHz and 62.5 MHz, low-phase-noise output and a wide range of synchronization options. The device also provides a low-Jitter, monolithic clock signal that is suitable for use in many kinds of audio, video, and communication systems. The device includes a differential PLL Automatic Bandwidth Adjustment (ABWA) feature, which allows the device to optimize PLL loop for the best performance and exceptionally low-jitter output.

Applications

The ADF4212LBCPZ-RL7 is often used in many different applications, ranging from digital video encoding, imaging and audio systems to communication, industrial and automotive systems. The device is suitable for any system requiring low phase noise and low jitter clock sources, whether for the direct transmission of digital audio or for use as clock sources in video, imaging and communication systems. The device is also an ideal choice for high-speed clock synthesis, multi-channel clock generation, PLL synchronization and time-base generation.

Working Principle

The ADF4212LBCPZ-RL7 clock generator / frequency synthesizer uses a DRO oscillator to generate a single clock signal at the desired frequency. The DRO oscillator is typically adjusted so that it outputs a sinusoidal waveform, with a preset frequency that is determined by the application. This clock signal is then applied to a phase-locked loop (PLL) which is used to replicate the same or an additional clock signal at the same or a similar frequency, with low-phase-noise and low-jitter frequency variations. The output generated by the PLL is adjustable in frequency by an external voltage control, allowing for the PLL to easily and conveniently adjust its frequency output without additional components.

The ADF4212LBCPZ-RL7 also features Automatic Bandwidth Adjustment (ABWA) technology. This allows the device to use the PLL loop to automatically adjust its bandwidth, providing optimal performance and low-jitter output. Additionally, the device also offers a variety of synchronisation options, such as programmable divide ratio (PDR), cycle-to-cycle synchronization, and dual output synchronization.

Conclusion

The ADF4212LBCPZ-RL7 is an ideal choice for applications requiring noise-free, low-jitter clock sources. The device provides a low-jitter, monolithic clock signal and has a wide range of synchronization options, making it suitable for use in many kinds of audio, video, and communication systems. In addition, the device features ABWA, allowing for optimised performance and low-jitter output.

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