缩放方式 meaning in English

scale mode
zoom mode

They are voltage scaling , current scaling and charge scaling . by compare , current scaling dac is the most fast and occupies the least area . the current - steering structure is a type of improved current scaling structure
传统dac的转换按其缩放方式进行分类,主要有:电流按比例缩放、电压按比例缩放和电荷按比例缩放,通过比较可知,电流按比例缩放转换速度快且占用芯片面积小。