题目内容
A common emitter amplifier, the input and output singles are in 180° phase displacement.
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The 555 IC chip is a widely used amplifier circuit.
An operating point (Q) must set in the middle of the Load line (in a transistor amolifier).
An operational amplifier produces an output potential (relative to circuit ground) that is typically 100,000 times larger than the potential difference between its input terminals.
A sensor is a device that measures physical input from its environment and converts it into data that can be interpreted by either a human or a machine.
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