It is still a challenge to develop a low-noise ampli er - despite the fact that no- days (2007) nearly every solution of an electronic question of the consumer world can be solved by digital means. There is a wide eld of tasks left that can only be satisfyingly attacked with the help of old-fashioned analogue technology: sensors that are coupled to the existing and living world around us are always confronted with analogue signals. Those - in most...
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