How unusual is it to have electrolytic caps in the ADC circuit? Seems to me like you'd get a more stable calibration with more stable caps, such as class 1 ceramics. Are electrolytics the only caps that can offer the voltage and capacitance needed to work in that circuit?
How unusual is it to have electrolytic caps in the ADC circuit? Seems to me like you'd get a more stable calibration with more stable caps, such as class 1 ceramics. Are electrolytics the only caps that can offer the voltage and capacitance needed to work in that circuit?
I imagine at the time of design it was a capacitance issue 1uf was a fairly large cap physically in the 70's 80's and 90's