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    • 5. 发明公开
    • 디지털 신호 발생기 및 이를 포함하는 자동 테스트 장비
    • 数字信号发生器及具有相同功能的自动测试设备
    • KR1020130126435A
    • 2013-11-20
    • KR1020120118280
    • 2012-10-24
    • 삼성전자주식회사조지아 테크 리서치 코오포레이션
    • 이성관최현우김성열데이비드키저칼그레이테후이첸
    • G01R31/3183
    • H03K19/21H03K2005/00241
    • The present invention provides a digital signal generator generating a high-speed data signal having a variable cycle what a user wants by using a commercial IC and automatic test equipment (ATE) having the same. The digital signal generator comprises an input unit receiving signal information of a target data signal, a controller calculating at least two delay values and at least two data values, the at least two delay values and the at least two data values being used to generate a data signal corresponding to the signal information input through the input unit, a multi-phase clock generator delaying a reference clock signal based on the at least two delay values to generate at least two clock signals having different phases, a signal generator generating at least two data signals by assigning the at least two data values to the at least two clock signals, and a logic gate unit outputting the data signal corresponding to the signal information input through the input unit based on the at least two data signals generated in the signal generator and including at least one XOR gate. [Reference numerals] (110) Input unit;(120) Control unit;(130) Multi-phase clock generator;(140) Signal generation unit;(150) Logic gate unit
    • 本发明提供一种数字信号发生器,其通过使用商用IC和具有该商用IC的自动测试设备(ATE)产生具有用户想要的可变周期的高速数据信号。 所述数字信号发生器包括接收目标数据信号的信号信息的输入单元,计算至少两个延迟值和至少两个数据值的控制器,所述至少两个延迟值和所述至少两个数据值用于产生 数据信号对应于通过输入单元输入的信号信息;多相时钟发生器,其基于所述至少两个延迟值延迟参考时钟信号以产生具有不同相位的至少两个时钟信号;信号发生器,其产生至少两个 通过将至少两个数据值分配给所述至少两个时钟信号的数据信号,以及逻辑门单元,其基于在所述信号发生器中生成的所述至少两个数据信号输出与通过所述输入单元输入的信号信息相对应的数据信号 并且包括至少一个XOR门。 (110)输入单元;(120)控制单元;(130)多相时钟发生器;(140)信号生成单元;(150)逻辑门单元