P223-155.52M

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Oscillators are devices that produce periodic oscillations that can be used for various tasks such as the generation of electrical signals, the analysis and control of mechanical elements and the synchronization of information. The P223-155.52M oscillator is a precision oscillator designed for use in mobile communications systems. It is a temperature-compensated oscillator (TCO) that offers a highly reproducible and stable output frequency of 155.52MHz.

The P223-155.52M oscillator\'s main application is in the field of mobile communications which requires highly stable, low phase noise and high frequency operation. The oscillator is used in a wide range of cellular systems such as GSM, CDMA, UMTS, GPRS and WCDMA. It is also suitable for use in radio equipment such as radio transceivers, radios, point-to-point and point-to-multipoint links. Other applications include base stations, medical equipment and military applications.

In terms of working principle, the P223-155.52M oscillator is composed of a resonator, a temperature compensated voltage controlled oscillator circuit and a crystal frequency reference. The resonator is composed of a quartz crystal, a voltage controlled capacitor and a bias resistor. The frequency of the oscillator is determined by the resonator and is controlled by the bias resistor and voltage controlled capacitor. The resonator provides the high levels of stability required by mobile communication systems.

The temperature compensated voltage controlled oscillator circuit is composed of an amplifier, a voltage controlled oscillator and a temperature compensating circuit. The amplifier allows the oscillator to amplify the output of the resonator and provide a high signal-to-noise ratio. The voltage controlled oscillator is a passive device that provides frequency control. The temperature compensating circuit compensates for frequency drift caused by environmental changes in temperature, maintaining the stability of the oscillator.

The final component of the P223-155.52M oscillator is a crystal frequency reference, which is used to provide the exact frequency reference for the oscillator. This reference is used to ensure the accuracy and stability of the oscillator. The combination of the resonator, voltage controlled oscillator circuit and crystal frequency reference provides the P223-155.52M oscillator with the high levels of stability and accuracy required by mobile communication systems.

In conclusion, the P223-155.52M oscillator is a precision oscillator used in mobile communication systems, which requires highly stable and accurate output frequencies. It utilizes a resonator, temperature compensated voltage controlled oscillator circuit and a crystal frequency reference to generate the output frequency of 155.52MHz with high stability and accuracy. The oscillator is also used in a variety of other applications including radios, point-to-point and point-to-multipoint links, base stations, medical equipment and military applications.

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