发明名称 |
Variable gain controller |
摘要 |
A variable gain controller comprising an amplifier having a feed back terminal which is connected to a variable resistor including a current controller for controlling current flowing through the variable resistor, a filter connected to the variable resistor for attenuating frequency components of input signals in accordance with the values of the variable resistor and a resistor inserted between output terminal of the amplifier and the connection of the variable resistor to the filter.
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申请公布号 |
US4168472(A) |
申请公布日期 |
1979.09.18 |
申请号 |
US19780877385 |
申请日期 |
1978.02.13 |
申请人 |
TOKYO SHIBAURA ELECTRIC CO., LTD. |
发明人 |
SUGIMOTO, YASUHIRO |
分类号 |
H03G3/12;H03G1/00;H03G5/02;H03G5/10;H03G9/02;H03H11/04;(IPC1-7):H03G3/10 |
主分类号 |
H03G3/12 |
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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