653V17856C3T

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Oscillators

An oscillator is an electronic device that produces an alternating or a periodic output. The 653V17856C3T oscillator is a versatile oscillator which is used in a range of applications. This section will discuss the applications and working principle of this oscillator.

Applications

The 653V17856C3T oscillator is primarily used as a sensor signal conditioning element in high accuracy test and measuring equipments. It is also utilized for frequency synthesis and signal generation in communication systems. Additionally, this oscillator is often used in mobile communication applications such as in GSM base stations, mobile data terminals and satellite systems. The 653V17856C3T oscillator is preferred for its low noise, low jitter and high stability characteristics.

Working Principle

The 653V17856C3T oscillator is an LC oscillator which is specially designed for phase-locked loop (PLL) applications. It is a voltage-controlled oscillator which can be adjusted to a specified frequency using a single voltage input. It consists of a loop filter, a voltage-controlled oscillator (VCO) and a phase/frequency comparator. It uses the negative feedback from the frequency comparator to adjust the oscillation frequency of the VCO. When the frequency of the signal generated by the VCO does not match the reference frequency, the frequency comparator will provide a control voltage signal so as to adjust the frequency of the VCO until it matches the reference frequency. As such, the oscillation frequency of the 653V17856C3T oscillator can be precisely controlled and maintained at a certain value.

Conclusion

The 653V17856C3T oscillator is an LC oscillator which is specially designed for PLL applications. It utilizes a negative feedback loop to accurately control the oscillation frequency. This oscillator is primarily used for sensor signal conditioning, frequency synthesis and signal generation in communications applications. It is preferred due to its low noise, low jitter and high stability characteristics.

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