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As a way of taking into account the DC bias characteristic of a ceramic capacitor, would it be correct to select a size for which the change in capacitance is small in the voltage range of actual use?
That would be correct. However, capacitors with small capacitance changes are larger in size. When space or other issues arise, after considering the capacitance change due to the DC bias characteristic, a capacitor can be selected the actual capacitance of which is equivalent to the recommended value.