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current feedback amplifier

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OA-13_current feedback loop gain analysis and perfermance enhancementCurrent Feedback Loop Gain Analysis and Performance Enhancement

Current Feedback Loop Gain Analysis and Performance Enhancement
With the introduction of commercially available amplifiers using the current feedback topology by Comlinear Corporation in the early 1980’s, previously unattainable gain and bandwidths in a DC coupled amplifier became easily available to any design engineer. The basic achievement realized by the current feedback topology is to de-couple the signal gain from the loop gain part of the overall transfer function. Commonly available voltage feedback amplifiers offer a signal gain expression that appears identically in the loop gain expression, yielding a tight coupling between the desired gain and the resulting bandwidth. This historically has led to the gain-bandwidt……
current feedback amplifier
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