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Current source cell arrangement, method of selecting current source cell and current addition type digital-to-analog converter
Current source cell arrangement, method of selecting current source cell and current addition type digital-to-analog converter
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机译:电流源单元布置,选择电流源单元的方法以及电流相加型数模转换器
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摘要
In a current source cell arrangement which comprises a plurality of current source cells (1) each having a predetermined current value, the current source cells being arranged in matrix; two or more of the current source cells in the current source cell matrix are combined to form constant current sources MCELL1-MCELL15 each having a predetermined current value; the current source cell matrix is divided into an A-block (2) and a B-block (3) arranged symmetrically with respect to a center of the matrix; and the constant current sources are formed by combining equal numbers of the current source cells selected in a row or column direction from each block.
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