发明名称 |
DOUBLE QUADRATURE WITH ADAPTIVE PHASE SHIFT FOR IMPROVED PHASE REFERENCE PERFORMANCE |
摘要 |
A method for correcting a timing error in a test and measurement instrument. The method includes receiving a clock signal at each of four samplers. The first clock signal is sampled at the first sampler at a first phase, the second clock signal is sampled at the second sampler at a second phase that is 90 degrees offset from the first phase, the third clock signal is sampled at the third sampler at a third phase that is 45 degrees offset from the first phase, and the fourth clock signal is sampled at the fourth sampler at a fourth phase that is 90 degrees offset from the third phase. Each of the outputs from the samplers are digitized and a timing correction is calculated based on the digitized outputs from the digitized outputs. |
申请公布号 |
EP2985616(A3) |
申请公布日期 |
2016.03.09 |
申请号 |
EP20150178826 |
申请日期 |
2015.07.29 |
申请人 |
TEKTRONIX, INC. |
发明人 |
PEETERS WEEM, JAN;DOBOS, LASZLO;ENGENHARDT, KLAUS |
分类号 |
G01R31/317;G01R13/02;H03L7/00 |
主分类号 |
G01R31/317 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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