发明名称 |
Radio transmitter apparatus which optimizes load impedance to maximize output transmitter efficiency while preserving minimum battery power output |
摘要 |
A radio transmitter apparatus arranged such that transmission efficiency is improved by switching the load impedance on the final stage in response to the power source voltage or the transmission output power.
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申请公布号 |
US5408691(A) |
申请公布日期 |
1995.04.18 |
申请号 |
US19930143523 |
申请日期 |
1993.10.26 |
申请人 |
SONY CORPORATION |
发明人 |
TAKAO, NOBUTAKA |
分类号 |
H03F1/02;H03F1/56;H04B1/034;H04B1/04;H04B1/40;(IPC1-7):H04B1/04 |
主分类号 |
H03F1/02 |
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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