FCXO-12-3BY

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FCXO-12-3BY is a state-of-the-art XO phase-locked loop (PLL) with excellent phase noise, low jitter, and fast locking times. This Frequency Controlled Crystal Oscillator (XO) is suited for applications requiring a clean, low jitter reference clock. This article will discuss the FCXO-12-3BY application field and working principle in detail.

The FCXO-12-3BY is a small, highly reliable, and versatile XO that can be used in many diverse applications. Its wide frequency range (2-200 MHz) and low phase noise make it suitable for use in a variety of RF, timing, and synchronization systems. The FCXO-12-3BY is ideal for use in digital audio, video, and communications systems. It is also suitable for frequency synthesizers, fiber optic communication systems, spread spectrum systems, and base station equipment.

The FCXO-12-3BY utilizes a PLL circuit to generate a precision reference clock from an input frequency. This device features a fast locking time of 100 μs, low phase noise of -126 dBc/Hz (at 10 kHz offset), and low jitter of 1.2 ps (peak-to-peak). The device has an output frequency accuracy of 0.1 ppm, as well as an output signal switch and adjustable temperature/frequency coefficient. The excellent frequency stability and low jitter of the device make it an excellent choice for high-performance applications.

The working principle of the FCXO-12-3BY is based on a phase-locked loop (PLL) circuit. The input signal is applied to the reference input of the PLL circuit, and the output frequency is generated by comparing the phases of the reference signal and the local oscillator signal. The output frequency is proportional to the reference input frequency. The output of the device is divided by the divider to give a precise frequency output. If the input frequency is changed, the output frequency of the device is changed accordingly.

The PLL consists of four major components: the phase detector, loop filter, voltage controlled oscillator, and the divide-by-n counter. The phase detector compares the phases of the reference signal and the local oscillator signal and then gives the error signal which is the difference between the two phases. This error signal, which is a low frequency signal, is filtered by the loop filter to remove any noise, and then it is summed with the output of the voltage controlled oscillator. The output of the loop filter is then applied to the control input of the voltage controlled oscillator, and the output frequency is changed accordingly. The output of the VCO is then divided by the divide-by-n counter to generate the desired output frequency.

The FCXO-12-3BY is an excellent choice for a wide range of applications due to its low phase noise, low jitter, fast locking times, wide frequency range, and low power consumption. Its wide frequency range and low phase noise make it an ideal choice for use in digital audio, video, and communications systems. In addition, its low jitter and fast locking times make it suitable for use in fiber optic communication systems, spread spectrum systems, and base station equipment. This device is also highly reliable, with an excellent frequency stability and a temperature coefficient of 0.1 ppm.

The FCXO-12-3BY is a high-performance, reliable, and versatile PLL device that is suitable for a wide range of applications. It features excellent phase noise and low jitter, as well as a wide frequency range and temperature coefficient. This device is an ideal choice for use in digital audio, video, and communications systems, as well as in fiber optic communication systems, spread spectrum systems, and base station equipment.

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