| 发明名称 |
Transmitter for a mobile telecommunication device |
| 摘要 |
<p>An antenna circuit for a mobile telecommunication device. The circuit comprises a power amplifier for amplifying, in use, a signal to be transmitted. An antenna transmits signals output from the power amplifier. Switching means introduces, dependent upon the gain setting of the power amplifier, an attenuator between the output of the power amplifier and the antenna. <IMAGE></p> |
| 申请公布号 |
EP1276243(A1) |
申请公布日期 |
2003.01.15 |
| 申请号 |
EP20010305969 |
申请日期 |
2001.07.11 |
| 申请人 |
TTPCOM LIMITED |
发明人 |
HENSHAW, BOB;FREEBOROUGH, DAVID |
| 分类号 |
H03G3/30;H04B1/04;(IPC1-7):H04B1/04;H03G3/20;H04B1/034;H04B1/38 |
主分类号 |
H03G3/30 |
| 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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