DSC1122CI2-103.1250T

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Oscillators is a class of electronic circuit that generates a periodic wave form signal. Among them, DSC1122CI2-103.1250T, a high frequency oscillator, is widely used in many applications. The following part describes the application fields and working principle.

Application Fields

Most of the application fields of DSC1122CI2-103.125T are related to radio frequency transmission. In the home environment, products such as cordless telephone, handheld radio，microwave oven, remote remote control, video recorder are using this oscillator. Additionally, it is also widely used in commercial telecom, base stations, satellite transceivers, communication networks and surveillance. It also finds application in aviation and defense related systems.

Working Principle

The DSC1122CI2-103.1250T oscillator is a high frequency crystal oscillator. It is based on an active voltage-controlled oscillator implemented with a passive crystal die and a capacitance. This oscillator is a type of relaxation oscillator. It consists of an amplifier, capacitor and the crystal die. The coupled capacitor and die form a negative resistance feedback loop. The output of the oscillator is connected to the input of the amplifier as feedback which determines the frequency. The capacitor provides an RC time constant with the negative resistance of the crystal. This feedback is responsible for the generation of the output signal.

The frequency of the oscillator is determined by the active components and the resonator which consists of the crystal. As current flows through the crystal it generates an EM or electromagnetic field. The crystal acts as a resonator to produce harmonic oscillations. The feedback increases the amplitude of the oscillations which is provided as the output. The frequency can be adjusted by changing the value of the capacitor.

The DSC1122CI2-103.1250T oscillator is a precise instrument and is used for accurate frequency control. It has a high stability, wide temperature range, low noise and is resistant to interference. These features make it suitable for many applications.

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