590DB270M000DGR

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Oscillators

The 590DB270M000DGR oscillator is a custom built part manufactured by Crystek. It is used for single supply precision timing applications requiring very low jitter and high stability in a low cost package. The 590DB270M000DGR is available in two versions: with oscillator frequencies up to 40 MHz (DB270) and up to 70 MHz (DGR).

Application Field

The 590DB270M000DGR is designed for use in applications that require a low-noise, low-jitter, and stable oscillator. It is well suited for a wide range of general-purpose analog and digital circuit applications, including low-frequency signal generation, timing control, and generation of very low-frequency oscillations. The 590DB270M000DGR is also well suited for use in microcontrollers, data converters, wireless radios, optical networks, and digital audio applications.

Working Principle

The 590DB270M000DGR oscillator operates according to the Pierce crystal oscillator topology, using a quartz crystal to form a resonant circuit. The quartz crystal is connected to the oscillator’s input and output nodes with impedance-matched loads. The crystal is tuned to a particular frequency, defined by its motional capacitance and its series resonance frequency. The frequency of the oscillator is determined by the load capacitance, and the stability of the frequency is determined by the combination of the crystal parameters and the oscillator design.

The 590DB270M000DGR oscillator operates at a specified nominal frequency, and the output waveform is sinusoidal. The oscillator is made from a high quality, high stability quartz crystal with an external load capacitor to ensure low-jitter operation. The oscillator operates over a wide temperature range, from -40°C to 85°C.

The 590DB270M000DGR oscillator is designed to provide a reliable, low-jitter, low-noise performance over a wide temperature range, and is able to operate in a wide range of frequencies. It is suitable for applications such as clock and data recovery, multi-rate PLLs, telecoms, and high-precision analog and digital circuitry.

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