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13th December 2015 | By:

Analogue to Digital Conversion [PART 6 – AVR]

Having briefly covered the general theory behind Analogue to Digital Conversion (see Signals, Sampling, Aliasing, Resolution, Accuracy), we will now look at an actual implementation. In this particular case we will be using an embedded Microprocessor Unit (MCU), specifically the… Continue

24th December 2014 | By:

Analogue to Digital Conversion [PART 2 – Sampling]

Having covered both analogue and digital signals in the previous section, the necessity of converting from one type to the other becomes evident. Digital signals are much easier to work with and process (especially from an electronic design standpoint) and… Continue

3rd December 2014 | By:

Analogue to Digital Conversion [PART 3 – Aliasing]

Aliasing is a phenomenon that occurs when sampling analogue signals with high frequency components. When sampling at a frequency lower than the Nyquist frequency, signals may be incorrectly detected at a lower frequency, leading to inaccurate results. Careful design and… Continue