520N20DA16M3680

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Oscillators

Oscillators are electronic circuits that generate an oscillation, or repeating waveform signal. They enable constant and repetitive signals necessary for communication systems and computing devices. Oscillators are further classified into a number of different types, such as harmonic, relaxation, crystal, and voltage-controlled. Representing an expanding sector within the general oscillator market, quartz crystal oscillators offer stable performance within stringent size and frequency requirements.

The 520N20DA16M3680 Oscillator is a 3.3V CMOS Oscillator with an availability of 20MHz to 200MHz. This oscillator uses a 5th order Delta-Sigma modulation with hysteresis to reduce jitter.

Application Fields

The 520N20DA16M3680 is ideal for applications with stringent low power, low noise and high precision requirements. They are used in communication systems, such as cellular communication, WLAN, and other RF communication. Oscillators are also used in computers, cellular phones, music systems, and other entertainment applications as clock and timing sources.

The 520N20DA16M3680 Oscillator can also be used for embedded devices, automotive systems, and speech recognitions. It provides high accuracy and stability and is suitable for applications like clock synchronization, switching frequency control, and smart antennas.

Working Principle

The 520N20DA16M3680 Oscillator is based on a resonant circuit connected to a CMOS differential oscillator. This oscillator is typically used with an external quartz crystal. The crystal resonator consists of two electrodes connected to the oscillator with a feedback loop between them. The two electrodes are made of the same material, and the quartz crystal is cut in such a way that the opposite charges of the two electrodes both give rise to vibration of the same frequency.

The resonator is then connected to the amplifier where the signal is amplified to a desired level. The amplified signal is then sent back to the resonator and starts to vibrate again. This amplifying and vibrating process then repeats itself, creating a constant and repetitive output signal.

The 520N20DA16M3680 Oscillator has an operating frequency range of 20MHz to 200MHz and can be adjusted by changing the capacitance and inductance of the resonant tank circuit. This oscillator also features a 5th order Delta Sigma modulation for improved noise performance.

Conclusion

The 520N20DA16M3680 Oscillator provides stable performance in a wide range of applications. Its adjustable frequency range and superior noise performance eliminates the need for external components. This oscillator is suitable for communication systems, automotive systems, and other embedded devices.

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