DOC102V-020.0M Crystals, Oscillators, Resonators

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Oscillators: DOC102V-020.0M Application Field and Working Principle

Oscillators are electrical circuits that are used to generate repeateadly periodic signals in the form of voltage or current in a given frequency range. They are widely used in radio transmitters and receivers to generate fixed, defined frequencies for modulation and demodulation of radio signals as well as in computers, CD players, oscilloscopes, and waveform generators. The DOC102V-020.0M is an oscillator particularly designed for the radio frequency applications.

DOC102V-020.0M Application Field

The DOC102V-020.0M is a Radio Frequency Oscillator (RFO) in an SMD 3.0mm x 3.0mm/1/4th pitch package. It is designed for applications in the 0.5MHz to 830MHz frequency range, with the supply voltage of 3.3V to 5V. Its good temperature characteristics along with the low supply current make it suitable for applications in both fixed and mobile networks. It is commonly used in transmitters, receivers, modulators, demodulators, antenna controllers, and other applications as either the primary oscillator or frequency determiner

DOC102V-020.0M Working Principle

The DOC102V-020.0M has a PLL core and VCO based architecture. It has two inputs - the first one is a reference oscillator input and the second one is voltage controlled oscillator (VCO) input. The reference oscillator is a reliable signal source which is used as the reference frequency for the phase locked loop. The VCO is used to generate the output signal. The signal from the reference oscillator is fed into the phase detector and compared with the signal from the VCO. The phase detector determines the phase difference between the two signals and generates an error signal which is used to adjust the frequency of the VCO so that the two signals are in phase. By adjusting the frequency of the VCO, it is possible to generate an accurate output signal which has the same frequency as the reference signal.

Conclusion

The DOC102V-020.0M oscillator is a reliable and easy-to-use device which is used to generate accurate signals in the 0.5MHz to 830MHz frequency range. It is specially designed for radio frequency applications and is commonly used in transmitters, receivers, modulators, demodulators, antenna controllers, and other applications. Its PLL and VCO based architecture makes it reliable and accurate, while the low supply current and good temperature characteristics make it suitable for both fixed and mobile networks.

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