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10-322521 | Nov 1998 | JP |
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2183123 | Mason | Dec 1939 | |
3875538 | Minet et al. | Apr 1975 | |
3879690 | Golant et al. | Apr 1975 | |
4288766 | Okita | Sep 1981 | |
4472695 | Beauquet et al. | Sep 1984 |
Number | Date | Country |
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4710517 | Apr 1972 | JP |
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1162903 | Nov 1989 | JP |
5029803 | Feb 1993 | JP |
7235803 | Sep 1995 | JP |
Entry |
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Matthaei, G.L., et al., “Microwave Filters, Impedance-Matching Networks, and Coupling Structures”, McGraw Hill Book Co., Inc., 1964, Sec. 7.03 Low-Pass Filters Using Semi-Lumped Elements, pp. 365-374. |