作者: Hiroshi Asazawa
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摘要: A D/A converter includes a first resistor group connected between and second reference potentials, consisting of resistors, terminals which are respectively the potential node other nodes in group, an operational amplifier, switching elements semiconductor each having input electrode two output electrodes, one electrodes being to terminal non-inverting element inverting drive circuit. Resistances groups downstream set be equal other. The resistances determined so that composite resistance when viewed from including is group.