| 摘要 |
An amplifier has a p-type and an n-type difference transistor pairs providing respective outputs, and is adapted to provide the outputs of the pairs in an integrated form. When the level of the input signal is below a predetermined level, only the p-type difference transistor pair is activated, and when the level of the input signal is higher than the predetermined level, the n-type difference transistor pair is also activated. The amplifier has an expanded dynamic range with a suppressed noise level.
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