| 发明名称 |
Analog front-end circuit for full-duplex communication |
| 摘要 |
In the high-group passband filter of an analog front-end circuit for full-duplex communications, switches enable an all-pass filter, a high-pass filter, and a low-pass filter to be connected in the optimum series for different band assignments, thus improving S/N performance.
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| 申请公布号 |
US4852080(A) |
申请公布日期 |
1989.07.25 |
| 申请号 |
US19880217765 |
申请日期 |
1988.07.01 |
| 申请人 |
OKI ELECTRIC INDUSTRY CO., LTD. |
发明人 |
OHTAKE, HISAO;YAMAMOTO, KAZUSHIGE |
| 分类号 |
H04M11/00;H04M11/06 |
主分类号 |
H04M11/00 |
| 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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