Wu et al.
2006
A dual-frequency Wilkinson power divider
US20060022883A1
(en )
2006-02-02
System and method for providing a distributed loaded monopole antenna
US3846721A
(en )
1974-11-05
Transmission line balun
US5808518A
(en )
1998-09-15
Printed guanella 1:4 balun
US3037175A
(en )
1962-05-29
Broadband transformers
JPS60250609A
(ja )
1985-12-11
インピーダンス変換トランス
US2509057A
(en )
1950-05-23
Device for intercoupling singleended and double-ended circuits
US3178659A
(en )
1965-04-13
Microwave switch having diodes situated in the waveguide channels to control coupling between common and branch channels
US3343089A
(en )
1967-09-19
Quarter wave low profile antenna tuned to half wave resonance by stub; also including a transistor driving stage
US3215937A
(en )
1965-11-02
Extremely low-frequency antenna
US2349154A
(en )
1944-05-16
Coaxial cable loop antenna
US2702372A
(en )
1955-02-15
Delay line
US4334228A
(en )
1982-06-08
Bifilar antenna trap
US2238904A
(en )
1941-04-22
Short wave communication system
US1917205A
(en )
1933-07-04
Antenna system for sleet melting and conductor therefor
US2894223A
(en )
1959-07-07
Electrical delay lines
US2486872A
(en )
1949-11-01
Receiving antenna
US1922335A
(en )
1933-08-15
Aerial eliminator
US2103358A
(en )
1937-12-28
Method of eliminating reradiation
US3421121A
(en )
1969-01-07
Wide bandwidth phase equalization filter network
US4242651A
(en )
1980-12-30
Wideband transformer apparatus
EP0562091B1
(fr )
1995-06-14
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(zh )
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(zh )
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US8680935B2
(en )
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