•Output signal is proportion to the sum and/or difference
of their input signal
•To collect any signal based on stoichiometric relationships e.g. DNA staining you must have 10 bit resolution
•The higher the accuracy desired the hire the number of bits must be collected
•Current instruments have 4 decade logarithmic scales thus an ADC must provide at least accuracy to 1/10,000 of the full scale which equals 1 mV in a 0-10 V
scale
•Thus to achieve this accuracy level you must have at least 14 bits of data (16,384 bits) since 13 bits would only be 8,192 bits
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