Скачать или смотреть Combinational ADC - Op Amp Ladder - No Microcontroller, DAC, or Capacitors - Simply Put

You can make ADC - analog to digital converters - using microcontrollers in concert with capacitor charging and timing or with a DAC and successive approximation, but this is one of two ways I have come up with to make a combinational ADC that requires no microcontroller at all, and the output follows the input in real time (minus propagation delay). This version is faster and simpler than the other version, but is only suitable for low-precision conversion because the part count is exponentially proportional to the bit count, whereas the other version I will go over in another video is linear and thus practical for higher precision. (In this video, I say "DAC" instead of "ADC" a bunch of times, because I'm an easily-distracted doofus. Just pretend I said the right thing.)

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