CGD1042HI,112

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CGD1042HI, 112 Application Field and Working Principle

The CGD1042HI, 112 is a high-performance linear amplifier designed for use in video amplifier and broad-band applications. It is part of the General Products family of Linear amplifiers and offers the reliable performance and efficiency demanded by today’s advanced applications.

Video Amplifiers and Modules

CGD1042HI, 112 video amplifiers are designed to provide high-power gain performance over a wide range of frequencies. The amplifier offers a low distortion, low noise, and wide dynamic range. It is optimized for applications such as switching and flickerless video amplifiers, multi-carrier modulators, large-frame video distribution systems, current-mode and voltage-mode amplifiers, switched-input antenna systems, secondary storage amplifiers, and many more. Some of its features include, wide temperature range, low noise, and efficiency up to 90%.

Applications

The CGD1042HI, 112 is ideal for applications such as high-speed line amplifiers, base station amplifiers, pulse modulators, and multi-video amplifiers. This amplifier is suitable for any system that requires high-power gain performance with low distortion and high efficiency. The amplifier is also suitable for other broadcast amplifier applications such as CATV, satellite receivers, and EDTV. It is also suitable for use in video-modulation applications, wireless communication, and other industrial video equipment.

Working Principle

CGD1042HI, 112 is built using the Class A topological scheme that enables an efficient operation over a wide range of frequencies. The topology utilizes special-purpose integrated amplifier building blocks that are synchronized for high-speed operation. This design allows for a low quiescent current and high utilization of induced transconductance. The linear amplifier can be operated in either class A or B mode, depending on the desired application. In the class-A mode, the amplifier has a peak-to-peak voltage at the output port of up to 30V. In the class-B mode, the voltage increases up to 35V.

The amplifier also uses power-saving techniques to reduce the power consumption. These techniques include the use of temperature and voltage controlled oscillators, frequency modulation, and power management circuits. The amplifier also has a high-stability frequency tracking circuit and a low-noise input stage that provide excellent linearity and spectral purity.

Conclusion

CGD1042HI, 112 is a high-performance linear amplifier suitable for a wide range of applications. It is capable of producing high-power gain performance with low distortion and low noise, as well as high efficiency. This amplifier is built using the Class A topology and integrates several power-saving techniques to reduce its power consumption.

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