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High speed, high resolution, high precision voltage source/AWG system for ATE
High speed, high resolution, high precision voltage source/AWG system for ATE
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机译:ATE的高速,高分辨率,高精度电压源/ AWG系统
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摘要
A method for compensating a linearity error of a dual digital-to-analog converter, including the steps of receiving a digital data signal which include a plurality of bits, the digital data signal indicating a voltage signal to be generated, the plurality of bits representing a set of consecutive bits being confined within a highest bit and a lowest bit, applying a high-bit-array to a first digital-to-analog converter, the high-bit-array being composed of a consecutive sub-set of the plurality of bits of the digital data signal, the sub-set including the highest bit of the digital data signal, using at least a part of a correction data of a look-up-table for manipulating at least a part of a low-bit-array, being composed of a consecutive sub-set of the plurality of bits of the digital data signal, where the sub-set includes the lowest bit of the digital data signal.
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