SU1483515A1 - Active loop antenna - Google Patents
Active loop antenna Download PDFInfo
- Publication number
- SU1483515A1 SU1483515A1 SU874211187A SU4211187A SU1483515A1 SU 1483515 A1 SU1483515 A1 SU 1483515A1 SU 874211187 A SU874211187 A SU 874211187A SU 4211187 A SU4211187 A SU 4211187A SU 1483515 A1 SU1483515 A1 SU 1483515A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- perimeter
- frames
- resistors
- clamps
- frame
- Prior art date
Links
Abstract
Изобретение относитс к радиотехнике и м. б. использовано в качестве приемной антенны в системах радиосв зи КВ - и УКВ - диапазонов. Цель изобретени - повышение направленности. Антенна содержит две идентичные рамки 1,2, входной согласующий тр-т 9 и усилитель 10. Дл достижени цели введены резистора 3, 4, два конд-ра 5, 6 и два инвертирующих тр-та 7 и 8. При оптимальном соотношении величин принимаемых противофазного и синфазного токов обеспечиваетс кардиоидна форма ДН антенны. Периметр рамок 1,2 не более четверти миним. рабочей длины волны. Величины емкости конд-ра выбрана из соотношени Ск = (30 - 100)LP/WP, где LP(M), WP(OM) - периметр и волновое сопротивление рамок 1 и 2. Величина сопротивлени резисторов 3 и 4 составл ет (0,3 - 0,7 ) WP. 1 ил.The invention relates to radio engineering and m. B. used as a receiving antenna in radio communication systems of the HF and VHF bands. The purpose of the invention is to increase the focus. The antenna contains two identical frames 1, 2, an input matching mate 9 and an amplifier 10. To achieve the goal, resistors 3, 4, two conductors 5, 6 and two inverting mars 7 and 8 are entered. At the optimum ratio of the values taken antiphase and common-mode currents provide the cardioid form of the antenna pattern. The perimeter of the framework 1.2 not more than a quarter of a min. working wavelength. The capacitance values of the cond is chosen from the ratio Ck = (30 - 100) L P / W P , where L P (M), W P (OM) is the perimeter and characteristic impedance of frames 1 and 2. The resistance value of resistors 3 and 4 is em (0.3 - 0.7) W p . 1 il.
Description
Составитель О.Трошко Редактор М.Циткина Техред Л.Олийнык Корректор М. ПожоCompiled by O.Troshko Editor M.Tsitkina Tehred L.Oliynyk Proofreader M. Pojo
Заказ 2840/49Order 2840/49
Тираж 615Circulation 615
ВНИИПИ Государственного комитета по изобретени м и открыти м при ГКНТ СССР 113035, Москва, Ж-35, Раушска наб., д. 4/5VNIIPI State Committee for Inventions and Discoveries at the State Committee on Science and Technology of the USSR 113035, Moscow, Zh-35, Raushsk nab. 4/5
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Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU874211187A SU1483515A1 (en) | 1987-03-17 | 1987-03-17 | Active loop antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU874211187A SU1483515A1 (en) | 1987-03-17 | 1987-03-17 | Active loop antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1483515A1 true SU1483515A1 (en) | 1989-05-30 |
Family
ID=21291237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU874211187A SU1483515A1 (en) | 1987-03-17 | 1987-03-17 | Active loop antenna |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1483515A1 (en) |
-
1987
- 1987-03-17 SU SU874211187A patent/SU1483515A1/en active
Non-Patent Citations (1)
Title |
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Патент ГША № 3631499, кл. Н 01 Q 1 1/12, 1971. * |
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