AD812AR-REEL

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AD812AR-REEL Video Amplifier Application Field and Working Principle

The AD812AR-REEL video amplifier is a common selection in the range of linear amplifiers and video amplifiers and modules. This particular video amplifier has a wideband, low-noise internal compensation and primary features including outstanding differential linearity and high slew rate. Therefore, the amplifier is a suitable choice in applications such as video distribution, RF linearizing and closed-loop gain controls.

Broadly speaking, the amplifier belongs to the class of linear amplifiers and its functions are to increase the power of the signal, to maintain the fidelity of the signal and to deliver a clean, high-level output signal. To deliver these functions, it relies on its unique internal working mechanisms.

AD812AR-REEL Working Principle

The AD812AR-REEL video amplifier consists of two transistors, source followers, and a compensation network. The input of the video amplifier is applied to the two transistors, with the two transistors set in the opposite directions. This setting allows the oppositely charged input voltage to be applied to the transistors, achieving the differential amplification.

The positive and negative output of the transistors is combined in the source followers. The output is then fed to the compensation network which compensates the nonzero phase shift of the wide-band amplifier. After this stage, the output from the amplifier is returned to the input.

At the input stage of the video amplifier, the two transistors are returned to their original setting. The output of the amplifier is then adjusted for its gain and the frequency response of the system is adjusted to give the desired response bandwidth to the output. The entire process has been designed to provide the user with a clean and high level output.

AD812AR-REEL Application Field

The AD812AR-REEL video amplifier is ideal for use in applications such as video distribution, RF linearizing and closed-loop gain control. The amplifier is capable of providing an excellent output signal level with very low noise and is an excellent choice for a wide variety of audio and video applications. It can be used to boost the amplitude of the signal, allowing it to be distributed or to improve its fidelity and deliver a clean, high-level output signal. Additionally, its excellent differential linearity helps to guarantee a high quality of the output signal.

The amplifier also provides a wide frequency response and excellent slew rate, making it suitable for applications such as video switching, video distribution and video bridging. In addition, its excellent low-noise and affordable cost make it a practical choice for use in video and audio systems.

Conclusion

In conclusion, the AD812AR-REEL video amplifier is a suitable choice for applications such as video switching, distribution and bridging. This amplifier provides excellent differential linearity, low noise and wide frequency response, making it suitable for audio and video applications. Additionally, its excellent slew rate and low cost make it a practical choice for use in audio and video systems.

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