发明名称 |
Variable matching circuit |
摘要 |
<p>A first line stub SB1 and one end of each of two switches SW1 and SW2 are connected to a transmission line 11L at spacings L1, L2 and L3 in order from the input end of the transmission line 11L, the other ends of the two switches are connected to a second line stub SB2, the first and second line stubs have an open end or short-circuit end, and matching at any of four frequency bands can be selected by combining on and off of the two switches SW1 and SW2.
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申请公布号 |
EP2475098(A3) |
申请公布日期 |
2014.08.20 |
申请号 |
EP20120150260 |
申请日期 |
2012.01.05 |
申请人 |
NTT DOCOMO, INC. |
发明人 |
FURUTA, TAKAYUKI;FUKUDA, ATSUSHI;OKAZAKI, HIROSHI;NARAHASHI, SHOICHI |
分类号 |
H03H11/28;H01P1/203;H03H7/38;H03H7/46 |
主分类号 |
H03H11/28 |
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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