DSC400-3333Q0099KE1

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Pin Configurable/Selectable Oscillators are useful frequency-generating components that have the ability to change their output frequency and gain stability from an external crystal oscillator. The DSC400-3333Q0099KE1 is an example of such an oscillator and it has a wide range of applications. This article discusses the DSC400-3333Q0099KE1’s application field, as well as its working principle.

Application Field

The DSC400-3333Q0099KE1 is a pin configurable/selectable oscillator designed for frequencies that range from 100 kHz to 133.333 MHz. It is often used in the design of signal generators, oscilloscope, signal filters and communications systems, as well as in embedded systems. The oscillator is particularly suitable for applications that require continuous wave (CW) signal generation. The automated selection of output frequency gives users great flexibility within the designated frequency range.

Additionally, the DSC400-3333Q0099KE1 is an excellent choice for applications that require high accuracy, stability and low phase noise. Its design features a low jitter operation and a minimal amount of phase noise, which makes it suitable for use in a variety of sensitive applications. It also provides a wide power supply voltage range of 1.8 - 5.5V and offers low power consumption, allowing it to be used in battery-powered applications in the field.

Working Principle

The DSC400-3333Q0099KE1 oscillator can be syncronized with an external crystal or resonator and is operated by the I2C interface. Internally, the oscillator consists of an amplitude-controlled LC oscillator, which is composed of an inductor and a capacitor, and a phase-locked loop. The I2C interface signals the oscillator to select an output frequency from a certain range with a certain accuracy.

The oscillator uses an external crystal or resonator as the reference frequency. The crystal is connected to the oscillator, which in turn feeds a phase comparator. The phase comparator then determines the frequency difference between the reference frequency and the actual frequency. The output of the phase comparator is used to drive the oscillator’s inductor until the actual frequency is equal to the reference frequency.

The voltage-controlled oscillator (VCO) is used to generate the desired output frequency. This frequency is then fed to the output divider, which is used to divide the frequency to achieve the desired output. The oscillator’s I2C interface can also be used to adjust the frequency and amplitude when necessary.

Conclusion

The DSC400-3333Q0099KE1 pin configurable/selectable oscillator is an excellent choice for applications that require a wide range of output frequencies, high accuracy and stability, and low phase noise. Its ability to be syncronized with an external crystal or resonator, as well as its low power consumption, makes it a suitable choice for use in battery-powered applications in the field. The oscillator’s working principle of using an LC oscillator and a phase-locked loop make it an ideal choice for high-accuracy applications.

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