发明名称 |
RADIO FREQUENCY SIGNAL AMPLIFYING DEVICE |
摘要 |
There is provided a radio frequency (RF) signal amplifying device consuming less power and operable at a high voltage in a PA driving amplifying apparatus applicable to a PA amplifying circuit which amplifies power of an RF signal. The RF signal amplifying device includes: a balun converting an unbalanced radio frequency signal into a balanced radio frequency signal; a primary amplifier differentially amplifying the balanced radio frequency signal from the balun; and at least one secondary amplifier secondarily and differentially amplifying the balanced radio frequency signal amplified from the primary amplifier.
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申请公布号 |
US2008309411(A1) |
申请公布日期 |
2008.12.18 |
申请号 |
US20080138659 |
申请日期 |
2008.06.13 |
申请人 |
SAMSUNG ELECTRO-MECHANICS CO., LTD. |
发明人 |
KIM KI JOONG;IIZUKA SHINICHI;KIM YOUN SUK;BAE HYO KEUN;KIM SANG HEE |
分类号 |
H03F3/45 |
主分类号 |
H03F3/45 |
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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