| 发明名称 |
Differential difference amplifier for amplifying small signals close to zero volts |
| 摘要 |
A differential difference amplifier is provided for amplifying an input signal having a magnitude close to zero (or a negative supply voltage) and adding an offset voltage to the amplified input signal.
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| 申请公布号 |
US6617922(B2) |
申请公布日期 |
2003.09.09 |
| 申请号 |
US20020162171 |
申请日期 |
2002.06.03 |
| 申请人 |
NATIONAL SEMICONDUCTOR CORPORATION |
发明人 |
KRUISKAMP MARINUS W. |
| 分类号 |
G01R31/36;H03F3/45;(IPC1-7):H03F3/45;H03F3/04 |
主分类号 |
G01R31/36 |
| 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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