发明名称 |
Method and apparatus of estimating/calibrating TDC mismatch |
摘要 |
A method of estimating mismatches of a time-to-digital converter (TDC) includes: capturing phase error samples; calculating difference between the phase error samples and an expected value of the phase error samples; and adjusting correction gain of the TDC based on the calculating step. Another method of estimating mismatches of a TDC includes: capturing TDC output code samples; storing a plurality of accumulation values corresponding to different TDC values respectively, wherein each accumulation value records a number of times a TDC value is carried by the TDC output code samples; calculating a desired value based on the accumulation values; calculating difference between the accumulation values and the desired value; and adjusting correction gain of the TDC based on the calculating step. |
申请公布号 |
US8669890(B2) |
申请公布日期 |
2014.03.11 |
申请号 |
US201213610827 |
申请日期 |
2012.09.11 |
申请人 |
WANG CHI-HSUEH;STASZEWSKI ROBERT BOGDAN;CHO YI-HSIEN;MEDIATEK INC. |
发明人 |
WANG CHI-HSUEH;STASZEWSKI ROBERT BOGDAN;CHO YI-HSIEN |
分类号 |
H03M1/06 |
主分类号 |
H03M1/06 |
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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