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Programmable gain amplifier with self-adjusting offset correction
Programmable gain amplifier with self-adjusting offset correction
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机译:具有自调整失调校正功能的可编程增益放大器
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摘要
Briefly, in accordance with one embodiment of the invention, a calibration circuit may detect a difference between first and second outputs of a differential output programmable gain amplifier to determine a dc offset at the differential output. In the event an offset is detected, a differential gain of the programmable gain amplifier may be adjusted until the offset is adjusted, or eliminated, to an acceptable predetermined value.
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