发明名称 |
Method and apparatus for adjusting the pole positions of a differentiating amplifier |
摘要 |
An amplifier is compensated for variations in element values. A trim signal is generated based on element values of filter elements of a filter in the amplifier. An RC product in the amplifier is controlled based on the trim signal. The RC product corresponds to a product of a dynamic resistance value of a dynamic resistance element in the filter in the amplifier, and a capacitance value of capacitive elements in the filter. The RC product also determines a pole position of the amplifier. Gain in the amplifier is controlled based on the trim signal so that a desired gain is maintained.
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申请公布号 |
US5227737(A) |
申请公布日期 |
1993.07.13 |
申请号 |
US19900622711 |
申请日期 |
1990.12.05 |
申请人 |
VTC INC. |
发明人 |
SUTLIFF, DAVID E.;GLEASON, JEFFREY A. |
分类号 |
G11B5/012;G11B20/10;G11B20/12;H03F3/45;H03G3/30;H03G5/16 |
主分类号 |
G11B5/012 |
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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