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參數資料
| 型號： | ATW12V3-ETS-9 |
| 廠商： | ANDREW CORP |
| 元件分類： | 天線 |
| 英文描述： | 174 MHz - 216 MHz BASE STATION/BROADCAST TRANSMISSION ANTENNA |
| 文件頁數： | 1/1頁 |
| 文件大小： | 20K |
| 代理商： | ATW12V3-ETS-9 |
Customer Service Center - Call toll-free from: U.S.A., Canada and Mexico 1-800-255-1479
Specifications
Channel Range:
7-13, one 6 MHz channel
(174-216 MHz)
VSWR:
1.05 Visual +0.5 MHz 1.08 Color
Sub-Carrier 1.10 Remainder of Channel
Deicing:
Fiberglass Radome Enclosed
Input Power:
100 kW, Peak Visual +20% Aural
Input Type:
Specify 50 or 75 ohm 6-1/8" EIA
Antenna Selection
Antennas are selected on the basis of:
Azimuth Pattern
Elevation gain 6, 9, 12 or 16 are typical
Beam tilt 0.75, 1.0 or 1.5° are typical
Horizontal, elliptical or circular polarization
Top or side mount
Standard Type Numbers are listed in the table. Specify
channel number and, for elliptically/circularly polarized
antennas, the desired power split. Other patterns, gains
and beam tilts are available on request.
Top-Mounted Antennas
Azimuth Pattern
Peak Power
Standard
Relative Field
Pol.
Gain
Type No.
Omnidirectional ±1 dB
Horiz.
6.00 (7.78 dBd)
ATW6V3-HTO- (*)
Ellipt.
**
ATW6V3-ETO- (*)
Horiz.
9.00 (9.54 dBd)
ATW9V3-HTO- (*)
Ellipt.
**
ATW9V3-ETO- (*)
Horiz.
12.00 (10.79 dBd)
ATW12V3-HTO- (*)
Ellipt.
**
ATW12V3-ETO- (*)
Horiz.
16.00 (12.04 dBd)
ATW16V3-HTO- (*)
Ellipt.
**
ATW16V3-ETO- (*)
Directivity: 1.00 (0.00 dB)
Skull
Horiz.
11.40 (10.57 dBd)
ATW6V3-HTS-(*)
Ellipt.
**
ATW6V3-ETS-(*)
Horiz.
17.10 (12.33 dBd)
ATW9V3-HTS-(*)
Ellipt.
**
ATW9V3-ETS-(*)
Horiz.
22.80 (13.58 dBd)
ATW12V3-HTS-(*)
Ellipt.
**
ATW12V3-ETS-(*)
Horiz.
30.40 (14.83 dBd)
ATW16V3-HTS-(*)
Ellipt.
**
ATW16V3-ETS-(*)
Directivity: 1.90 (2.79 dB)
* Specify VHF-TV channel number.
** Horizontal and vertical gains depend on power split. Specify power split.
30
°
90
°
120
°
150
°
210
°
240
°
300
°
330
°
60
°
270
°
0
180
°
0.8
0.6
0.4
0.2
1.0
Relative
Field
30
°
90
°
120
°
150
°
210
°
240
°
300
°
330
°
60
°
270
°
0
180
°
0.8
0.6
0.4
0.2
1.0
Relative
Field
TRASAR VHF-TV Transmitting Antennas
Azimuth Patterns
As shown in the table, omnidirectional and skull patterns
are standard. Cardioid patterns are also available.
Note that these are typical free space patterns and may
vary slightly depending on channel, structural design
criteria and tower mounting configuration.
286
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