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TV antenna UHF band
In the UHF band are widely used loop antennas such as "Triple Square". These antennas are in contrast to other antennas of this range have the highest and lowest gain design features. The following table shows its dimensions.
The geometrical dimensions of the loop antenna "Triple Square" UHF mm
channel Groupings |
Dimensions of elements, mm |
||||||
R |
AT |
D |
a |
b |
from |
H |
|
21 ... 26 |
193 |
158 |
134 |
67 |
98 |
165 |
580 |
27 ... 32 |
176 |
144 |
122 |
61 |
89 |
150 |
530 |
33 ... 4 |
160 |
131 |
110 |
55 |
80 |
135 |
475 |
41 ... 49 |
143 |
117 |
99 |
50 |
72 |
122 |
430 |
50 ... 58 |
129 |
105 |
89 |
45 |
65 |
110 |
390 |
Frames are made of copper or brass wire with a diameter of 3 ... 5 mm, which is when the size of the antenna UHF has sufficient rigidity.
It is essential to increase the range of reception of this antenna can be with the "Polish" amplifier, which is attached to the points A-B of the second square.
Publication date 29.03.2003gg.
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