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Linear - Video Processing

NJM2244M application field and working principle

NJM2244M is analog signal processor chip developed by New Japan Radio Co., Ltd. It is used to amplify and convert composite video signals. It has been used widely in analog television due to its low cost, high efficiency, and high performance.

Application Field

NJM2244M is mainly used to process video signals. It can also be used in various video related applications, such as video game consoles, video processing, and video streaming. In particular, it is used to amplify and convert composite video signals, allowing the user to convert the signal in the most efficient way. Moreover, the chip features a wide dynamic range, high signal-to-noise ratio, and low harmonic distortion, making it a great choice for analog video processing.

Working Principle

NJM2244M consists of three separate amplifying stages: differential amplifying stage, voltage amplifying stage, and common-mode amplifying stage. The chip amplifies the input signal, before converting it into a digital signal. The output digital signal is then transmitted to the processor, where the information can be processed and encoded into the correct format. The chip also provides protection from high impedance and surge noise, allowing the system to be used in environments with high intensity electromagnetic fields. Additionally, the chip is capable of constant frequency conversion, providing excellent performance in all conditions.

Conclusion

NJM2244M is a low-cost, high-performance analog signal processor chip developed by New Japan Radio Co., Ltd. It is mainly used to process video signals and has been widely used in analog television. The chip uses a three-stage amplifying system, and features a wide dynamic range, high signal-to-noise ratio, and low harmonic distortion. The chip also provides protection from high impedance and surge noise, and is capable of constant frequency conversion, making it an ideal choice for video processing.

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