Acquiring an Analog Signal | 台灣精品獎-歷屆得獎名單
![Acquiring an Analog Signal](https://i.imgur.com/DERULla.jpg)
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The front end of an oscilloscope consists of two components: an analog input path and an analog-to-digital converter (ADC). The analog input path attenuates, amplifies, filters, and/or couples the signal to optimize it in preparation for digitization by the ADC. The ADC samples the conditioned waveform and converts the analog input signal to digital values that represent the analog input waveform. The frequency response of the input path causes an inherent loss of amplitude and phase information.
Bandwidth describes the analog front end’s ability to get a signal from the outside world to the ADC with minimal amplitude loss—from the tip of the probe or test fixture to the input of the ADC. In other words, the bandwidth describes the range of frequencies an oscilloscope can accurately measure.
It is defined as the frequency at which a sinusoidal input signal is attenuated to 70.7 percent of i...
Acquiring an Analog Signal | 台灣精品獎-歷屆得獎名單
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