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Y3 ALT
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Y3 ALT(M)
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| | Electrical specifications
| Model |
Y3 ALT |
Y3 ALT M
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| Operating frequency band, MHz |
300-350 |
290-350
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| VSWR, not more than |
1.5
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| Gain, dBi |
7.65 |
6
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| Sector, -3dB |
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| in vertical plane |
88° |
70°
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| in horizontal plane |
106° |
140°
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| Polarization |
vertical
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| Impedance, Ohm |
50
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| Max. power input, W |
200
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Mechanical specifications
| Model |
Y3 ALT |
Y3 ALT M
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| Weight, kg |
0.85 |
1.3
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| Size, mm |
620x520x30 |
800x500x130
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| Construction material |
Aluminium alloy
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| Mast diametr, mm |
25-55 |
38-65
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| Rated wind velocity, m/s |
45
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| Wind loading area, m2 |
0.04 |
0.039
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| Load of side wind 45 m/s, H |
48
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| Rated wind velocity with 0.5" icing, m/s |
28
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| Temperature range, °C |
-50 to +50
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| Connector |
N-female
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Rushing for antenna Y5 ALT has led us to development of new, more technologically advanced and inexpensive three-component Yagi antenna Y3 ALT construction. Among other advantages of this antenna possibility of operation at greatly separated frequencies (36 MHz), high gain, all-welded construction, providing mechanical strength, reliable polymeric coating, protecting from hostile environment and icing can be considered. All these make antenna Y3 ALT very popular for telemetry and radiotelephony systems 300-350 MHz frequency range.
We have developed a new model of three-element wave channel with loop vibrator and symmetrical feeding system - Y3 ALT M. The antenna is implemented in more strong variant if compared with Y3 ALT. The mechanical strength of this new antenna is ensured by the welded construction and cast silumin legs that allow fixing antenna on the mast of diameter 38-65 mm. The demountable vibrator improves the protection against the weather impact. It is recommended to use this antenna in systems of MPT 1327, telemetry and the river fleet communications.
Y3 ALT E-plane pattern
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Y3 ALT H-plane pattern
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VSWR diagram, Y3 ALT
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VSWR diagram, Y3 ALT M
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