KC2520C38.4000C1YE00

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Oscillators

An oscillator is an electronic device or circuit capable of producing a repetitive signal. Specifically, an oscillator is a circuit that produces a periodic, oscillating electrical signal, often used to generate or transport waves. It is precisely tuned to a certain frequency, and can be used to accurately time signals in electronic systems. The most common oscillator is an LC oscillator, which consists of an inductor and a capacitor. There are other types of oscillators such as crystal oscillators, RC oscillators, parallel LC oscillators, etc.

The KC2520C38. 4000C1YE00 is a voltage-controlled crystal oscillator (VCXO) that meets the clock requirements of most applications. It is capable of providing stable, accurate clock signals with low voltage variations and is suitable for applications where frequency stability is critical. This VCXO is able to operate from 0°C to +85°C temperature range thanks to its advanced temperature compensation techniques. Its maximum voltage and frequency stability is 40 ppm over -20°C to 85°C.

This oscillator is designed to generate clock signals in radio frequency (RF) and wireless communication systems, digital clock distribution systems, automotive infotainment systems, mobile I/O systems, storage systems, and low power microcontroller systems. It also features very low power consumption, fast start-up, and EMI reduction due to its spread spectrum technology.

The working principle of the KC2520C38.4000C1YE00 oscillator is based on the fact that when an electrical vibration is applied to a quartz crystal it vibrates at its own natural frequency, or resonant frequency. This oscillator has two LC (Inductor and Capacitor) tanks and a quartz crystal which acts like a vibrating element to generate the output frequency. The crystal is connected to the inductor and capacitor in parallel. When an electrical signal is applied to the parallel LC tanks, then the energy stored in the inductor and capacitor is transferred between the parts periodically; this causes the quartz crystal to vibrate at its natural frequency.

The output frequency is determined by the frequency of the electrical signal applied to the parallel LC tanks and can be changed by varying the applied voltage. This results in a voltage controlled oscillator (VCO) which produces an output clock with good frequency stability and low voltage variations. The oscillator also reduces EMI radiation thanks to its spread spectrum technology.

In conclusion, the KC2520C38.4000C1YE00 oscillator is an ideal solution for most applications where frequency stability is critical. It is capable of providing stable, accurate clock signals with low voltage variations, and it operates from 0°C to +85°C temperature range. Its low power consumption, fast start-up, and EMI reduction make it suitable for use in RF and wireless communication systems, digital clock distribution systems, automotive infotainment systems, mobile I/O systems, storage systems, and low power microcontroller systems.

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