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- Linearizers are electronic circuits which improve the non-linear behaviour of amplifiers to increase efficiency and maximum output power. Creating circuits with the inverted behaviour to the amplifier is one way to implement this concept. These circuits counteract the non-linearities of the amplifier and minimize the distortion of the signal. This increases linear operating range up to the saturation (maximum output power) of the amplifier. Linearized amplifiers have a significantly higher efficiency with improved signal quality. There are different concepts to linearize an amplifier, including pre- and post-distortion and feedback linearization. Most commonly used is pre-distortion linearization. The function performed by the linearizer in relation to the amplifier is very similar to that of eyeglasses in relation to the eye. The eye distorts the image seen; the glasses pre-distort the image. When these two distortions are combined, the result is a clear image. For the nearsighted, the glasses must pre-distort the image one way. For the farsighted, the image must be pre-distorted in the opposite way. (en)
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- Linearizers are electronic circuits which improve the non-linear behaviour of amplifiers to increase efficiency and maximum output power. Creating circuits with the inverted behaviour to the amplifier is one way to implement this concept. These circuits counteract the non-linearities of the amplifier and minimize the distortion of the signal. This increases linear operating range up to the saturation (maximum output power) of the amplifier. Linearized amplifiers have a significantly higher efficiency with improved signal quality. There are different concepts to linearize an amplifier, including pre- and post-distortion and feedback linearization. Most commonly used is pre-distortion linearization. (en)
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