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What are the characteristics of low jitter differential oscillator used in network optical switch?

In the face of people's demand for traffic more and more rapid development, from the first 3G to the present 5G network is the best witness to the development of network technology. The use of data traffic depends on the transmission of network devices, and the performance of various network transmission devices is also needed.

Optical fiber switch is a high-speed network transmission relay device. It uses fiber optic cable as transmission medium than ordinary switch. It is characterized by the use of high transmission rate fiber channel and server network, or the connection of components in the SAN network, so that the entire storage network has a very wide bandwidth and provides a guarantee for high performance data storage.

So is there a crystal oscillator used in a fiber switch? Optical fiber network switches are able to achieve this requirement because their internal electronic components have good performance. The crystal oscillator we are familiar with is one of them. The use of crystal vibration in the optical fiber network switch is very important, and it can realize the demand of the network equipment to the high standard reference clock.

The demand for high standard reference clock is particularly prominent in network equipment, which requires that phase jitter as an important parameter of system performance has low jitter characteristics. For quartz crystal oscillator, it can easily identify small signals in the product, and can handle 'bipolar' signals easily and accurately, and the external electromagnetic interference (EMI) is highly immune.

The common active crystal oscillator and common quartz crystal oscillator are required for the network devices that require the general network transmission speed, but it is not enough for the network remote management and local management to realize the monitoring of the port working state and the switching of the switch. It is necessary to use differential crystal oscillator, quartz oscillator with low jitter performance, and low phase output and low power crystal oscillator.

What are the characteristics of differential quartz crystal oscillators? The differential crystal oscillator has the functions of low level, low power consumption, low current and voltage can reach low value 1V, working voltage in 2.5V-3.3V, low dithering differential crystal oscillator is high requirement in current industry, high technology quartz crystal oscillator, differential phase oscillator phase low, low loss and so on.

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