KJL5E19N11SN

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KJL5E19N11SN is a family of optical fiber receivers (OFRs). Oftentimes identified broadly as laser diodes, these products are intended to receive and amplify signals from optical networks. The product range is quite versatile, providing an ideal solution for a variety of communication applications. In this article, we will discuss the application field and working principle of the KJL5E19N11SN series.

Application Field of KJL5E19N11SN Optical Fiber Receivers

The KJL5E19N11SN OFRs are designed for use in optical fiber-based networks, particularly in ultra-short distance communication and data transfer applications. They are primarily suitable for high-capacity and high-speed data transmission needs in long-reach applications. Because the series is specifically designed to operate in small form factor solutions like SFP, XFP, and QFP, they are well-suited for use in access networks and server/storage systems. Other applications include FTTH, FTTx, Metro networks, or any interface links with very high speed data-transmission capacity.

When it comes to features or specification, this receiver offers a very wide dynamic range of 15 pulses per bit, high common mode rejection ratio (CMRR), low jitter, low noise, high signal-to-noise ratio (SNR), excellent linearity, and very high frequency response. The KJL5E19N11SN also supports vertical cavity surface emitting laser (VCSEL) technology, further enhancing the performance.

Working Principle of KJL5E19N11SN Optical Fiber Receivers

KJL5E19N11SN OFRs follow an adaptive technique. Upon optical illumination, this technique enables them to detect the wavelength of light, ensuring that the device works correctly in varying lighting conditions. As it combines multiple operating frequencies, it optimizes and continuously supplies power according to the detected wavelength. This essentially improves the reactivity and efficiency of the receiver, making it capable to handle optical signals like variable data rates, wavelength shifting, or various types of modulations.

On the input side, the receiver ensures low loss of optical signal and low dispersion sensitivity. It also has an excellent overload protection mechanism, with an operating temperature range between 0°C and 70°C and an operating current of 900mA. With these features, this product can successfully receive light while operating reliably and safely.

On the output side, KJL5E19N11SN OFRs feature a wide output voltage range from 0V to 5V, with an output current of up to 4mA. Thanks to this wide voltage range, the receiver can easily accommodate different voltage levels. Meanwhile, the adjustable gain allows you to customize the receiver to the specific needs of your system. Finally, the receiver is equipped with an output short-circuit protection mechanism, further preventing any damage arising from short-circuiting the output.

Conclusion

KJL5E19N11SN optical fiber receivers offer a cost-effective and high-performance solution for data communication and transmission in optical fiber networks. With their adaptive technique, high gain, wide voltage range, adjustable gain, and short-circuit protection, they are well-suited for a variety of applications such as access, metro, and FTTH networks. Additionally, the receiver is also compliant with VCSEL technology, making it a great choice for ultra-short distance communication and data transmission.

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