AOCJY4B-12.800MHZ-SW

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Oscillators refers to the electronic circuit device used to generate a periodic electrical signal. Among the oscillators, AOCJY4B-12.800MHZ-SW is one of the most commonly used types. Its application field and working principle are described as follows.

Application Field

Due to its features of small size, low power consumption and high frequency stability, AOCJY4B-12.800MHZ-SW is widely used in various wireless communication fields. It can be used as a reference source in the base stations of cellular telecommunication systems and radar signal receiving systems. At the same time, it can also be used as a local oscillator for the frequency conversion and frequency modulation of the low-noise amplifier in the front end of radar signal receiving systems. AOCJY4B-12.800MHZ-SW can also be used as a frequency source for code division multiple access (CDMA) noise receiver and satellite communication systems.

Working Principle

AOCJY4B-12.800MHZ-SW is an electronic oscillator with the function of signal output, frequency regulation and frequency modulation. Internally, it is composed of a PLL (phase-locked loop) and a VCO (voltage controlled oscillator). The PLL circuit is used to adjust the frequency generated by the oscillator. When the output frequency is changed, the PLL circuit will detect the change in frequency and generate the corresponding control voltage to control the VCO circuit to change the output frequency so as to keep the output frequency stable. On this basis, the frequency modulation signal can be input to the PLL circuit to control the output frequency changes, so as to achieve the purpose of frequency modulation.

In summary, AOCJY4B-12.800MHZ-SW is widely used in wireless communication and radar signal receiving fields due to its small size, low power consumption and high frequency stability. It works by combining the PLL and VCO circuits, resulting in the adjustment of the output frequency and frequency modulation.

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