发明名称 |
OFFSET CALIBRATION SYSTEM AND METHOD FOR A HIGH GAIN SIGNAL CHANNEL |
摘要 |
A direct current offset correction system is disclosed for use in an analog signal processing system. The offset correction system includes a comparator unit for comparing the polarity of signals from an analog signal channel and producing a binary output signal. The system also includes a digital accumulator unit that is coupled to the comparator output signal for providing an accumulated average signal over a predetermined period of time. The system also includes a threshold window digital comparator unit for determining whether the accumulated signal is within a defined threshold window of acceptable values. The system further includes a correction unit for applying a corrective signal to the analog signal channel.
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申请公布号 |
WO03055057(A1) |
申请公布日期 |
2003.07.03 |
申请号 |
WO2002US40584 |
申请日期 |
2002.12.18 |
申请人 |
ANALOG DEVICES, INC. |
发明人 |
CAHALANE, AIDAN, J.;ATKINSON, SIMON |
分类号 |
H03K5/08;H03F3/45;H03M1/06;H03M1/12;H03M1/66;H04B1/26;H04B1/30;(IPC1-7):H03F1/32 |
主分类号 |
H03K5/08 |
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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