发明名称 |
Amplification gain adjusting circuit |
摘要 |
An amplification gain adjusting circuit in which the gain of an AC amplifier is controlled by a voltage dividing series connection of two resistors. One of the resistors is selectively shorted by a switching transistor. The DC bias of the switching transistor is set to prevent current flow through the base of the switching transistor at high AC levels.
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申请公布号 |
US4754232(A) |
申请公布日期 |
1988.06.28 |
申请号 |
US19860886719 |
申请日期 |
1986.07.18 |
申请人 |
PIONEER ELECTRONIC CORPORATION |
发明人 |
SASAKI, YOSHIO |
分类号 |
H03G1/04;H03G1/00;H03G3/10;H03G3/12;H03G3/34;(IPC1-7):H03G3/10 |
主分类号 |
H03G1/04 |
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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