CY28409OXCT

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The CY28409OXCT is a low-cost, precision Oscillator Controller IC and Clock Generator (OCG) designed for various timing applications. It features a Monolithic Crystal Oscillator, or XO, or Temperature Compensated Crystal Oscillator, or TCXO, and uses a PLL (Phase Locked Loop) for frequency synthesis and clock generation.

The CY28409OXCT operates from an external crystal, or from an external reference clock, and is able to generate a wide range of frequencies from 0Hz to >250MHz with excellent accuracy and stability over a wide temperature range (0°C to +85°C). It is designed for use as a master time-base for frequency and time synchronization applications, and as a precision frequency synthesizer for low-cost applications.

The CY28409OXCT is ideal for applications such as digital audio, video broadcast systems, test and measurement equipment, radio frequency (RF) and microwave systems, industrial automation, clock synchronization, embedded systems and mobile communications. Its features include a comprehensive set of on-chip features, low-power and low-jitter operation, wide compatibility, a wide range of frequencies, and a robust design.

The CY28409OXCT works on the principle of phase-locked loop (PLL) technology. The PLL includes an on-chip XO/TCXO, an on-chip voltage controlled oscillator (VCO), a set of phase-frequency detectors (PFD\'s), and other circuitry. The XO/TCXO forms the reference signal for the PLL circuit, and the VCO provides the output frequency. The phase-frequency detectors are used to compare the phase of the input reference signal with the output signal of the VCO. When the two signals are in phase, the PFD produces a signal that is used to update the VCO\'s output frequency. This process is repeated continually, maintaining an accurate frequency and phase-locking of the output signal to the reference signal. This process enables the CY28409OXCT to achieve excellent frequency accuracy and stability.

The CY28409OXCT also has an on-chip phase-locked loop divider, which can be used to generate low-frequency output signals for applications such as test and measurement equipment, digital audio and video systems, industrial automation, clock synchronization, embedded systems and mobile communications.

The CY28409OXCT is designed for use in both commercial and industrial applications. It is versatile and robust, and provides a cost-effective solution for precision timing applications. It has a low-power and low-jitter operation, and offers a wide compatibility with existing systems. Its wide frequency range makes it ideal for use in a variety of applications.

In summary, the CY28409OXCT is a highly precise clock generator IC that is ideal for use in various clock and timing applications requiring excellent accuracy and stability. It operates on the principle of PLL technology, and provides a cost-effective solution for applications such as digital audio, video broadcast systems, test and measurement equipment, radio frequency (RF) and microwave systems, industrial automation, clock synchronization, embedded systems and mobile communications.

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