发明名称 |
Amplifier; and transmitter and communication device incorporating the same |
摘要 |
The present invention provides an amplifier for amplifying a high-frequency signal and outputting an amplified signal. The amplifier includes: an amplification element which is a bipolar transistor or a field-effect transistor; and an inductor connected between a base and a collector or between a gate and a drain of the amplification element. The inductance of the inductor is chosen so that, within a predetermined frequency range, a parallel resonance occurs with a parasitic capacitor of the amplification element and an intrinsic capacitor of the amplification element, the intrinsic capacitor being a base-collector capacitance or a gate-drain capacitance.
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申请公布号 |
US2005110572(A1) |
申请公布日期 |
2005.05.26 |
申请号 |
US20040988499 |
申请日期 |
2004.11.16 |
申请人 |
MORIMOTO SHIGERU;ADACHI HISASHI |
发明人 |
MORIMOTO SHIGERU;ADACHI HISASHI |
分类号 |
H03F3/19;(IPC1-7):H03F1/34 |
主分类号 |
H03F3/19 |
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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