KC3225K2.04800C1GE00

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Oscillators are essential devices in all kinds of modern electronic systems, from embedded microcontrollers to automated industrial machines. In particular, KC3225K2.04800C1GE00 is a versatile oscillator that can be applied to a wide range of applications. This article aims to describe the application field and working principle of this device in detail.

KC3225K2.04800C1GE00 belongs to a family of SMD CMOS oscillators with very low power consumption, high stability and small size. It is designed to operate at 3.3 Volt power supply and can generate an output frequency with an accuracy of ±1 ppm over a range of -20 to 70°C. The device also provides an enable control input for power-down and frequency synchronization. The typical supply current for this oscillator is typically set to 1.02mA at 3.3V.

KC3225K2.04800C1GE00 is suitable for a wide range of digital and embedded applications such as communications systems, automotive controllers, and personal computers. For example, it can be used in systems that require reliable time synchronization, such as IEEE 802.11 and other wireless communication protocols. In addition, it is also suitable for embedded microcontrollers and single-board computers.

The working principle of KC3225K2.04800C1GE00 is based on a unique frequency oscillator structure combined with digital pulse-width modulation (DPWM). The DPWM technique allows the oscillator to operate in Low-Jitter and Low-Noise mode to achieve a high degree of accuracy and stability. The oscillator is designed for applications where low-power and low-cost are important factors.

The oscillator consists of a frequency-dependent voltage-controlled oscillator (VCO), a PLL circuit composed of a low-noise amplifier (LNA), a low-pass filter (LPF) and a voltage-controlled oscillator (VCXO), and a digital control circuit. The VCO generates an output frequency from an input reference frequency and an adjustment voltage, while the PLL uses the output signal of the VCO as the input signal source and adjusts the input frequency by controlling the adjustment voltage.

The digital control circuit is responsible for calculating the adjustment voltage according to the frequency command data sent from the host controller, which is then used to determine the output frequency of the oscillator. The circuit provides a system-level calibration mechanism by comparing the output frequency with the reference frequency. It also has the ability to sample and hold the output frequency in order to maintain accuracy and stability over extended periods of time.

In conclusion, KC3225K2.04800C1GE00 is an efficient and reliable oscillator with a variety of applications, from industrial control systems to embedded microcontrollers. It combines low power consumption, high stability and small size with a unique frequency oscillator structure. Its working principle is based on a digital pulse-width modulation technique, with a low-noise amplifier, low-pass filter and voltage-controlled oscillator for high accuracy.

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