FIELD: radio engineering.
SUBSTANCE: screened magnet frame antenna comprises at least a frame with one turn placed in a screen in the form of a pipe with a cross cut of circular shape, which is arranged symmetrically relative to the start and the end of the frame turn. Each turn of the frame is arranged as zigzag-shaped and is placed on one and the same plane, at the same time the upper and the lower top of each zigzag of the frame turn are made with horseshoe shape. In the multiturn frame the turns are joined in series and are arranged along the concentric rings, or each turn is located on its plane, which are parallel.
EFFECT: increased effective height of antenna at stable area of the frame, increased sensitivity, operation in a wide band of frequencies with low level of amplitude-frequency characteristic unbalance.
8 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2393596C1 |
| LOOP ANTENNA | 2006 |
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| LOOP AERIAL | 0 |
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SU1040558A1 |
| LOOP AERIAL | 1991 |
|
RU2054764C1 |
| LOOP ANTENNA | 2007 |
|
RU2380800C2 |
