Elliptical Waveguide - EW180
Antenna Systems & Solutions, Inc. is pleased to provide the following specifications for Andrew EW180, HELIAX® Standard Elliptical Waveguide, designed to operate between , 17.3–19.7 GHz. If you have any questions, please do not hesitate to contact us. or send us an email.
| Construction Materials |
| Jacket Material |
PE |
| Conductor Material |
Corrugated copper |
| Jacket Color |
Black |
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| Dimensions |
| Cable Volume |
111.0 L/km | 1.2 ft³/kft |
| Cable Weight |
0.22 kg/m | 0.15 lb/ft |
| Diameter Over Jacket (E Plane) |
20.10 mm | 0.79 in |
| Diameter Over Jacket (H Plane) |
12.40 mm | 0.49 in |
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| Electrical Specifications |
| Operating Frequency Band |
17.7 – 19.7 GHz |
| eTE11 Mode Cutoff |
11.150 GHz |
| Group Delay |
127 ns/100 ft @ 18.700 GHz | 416 ns/100 m @ 18.700 GHz |
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| Environmental Specifications |
| Installation Temperature |
-40 °C to +60 °C (-40 °F to +140 °F) |
| Operating Temperature |
-55 °C to +85 °C (-67 °F to +185 °F) |
| Storage Temperature |
-70 °C to +85 °C (-94 °F to +185 °F) |
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| Mechanical Specifications |
| Maximum Twist |
6.00 °/m | 2.00 °/ft |
| Minimum Bend Radius, Multiple Bends (E Plane) |
150.00 mm | 6.00 in |
| Minimum Bend Radius, Multiple Bends (H Plane) |
280.00 mm | 11.00 in |
| Minimum Bend Radius, Single Bend (E Plane) |
150.00 mm | 6.00 in |
| Minimum Bend Radius, Single Bend (H Plane) |
380.00 mm | 15.00 in |
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| Standard Conditions |
| Attenuation, Ambient Temperature |
24 °C | 75 °F |
| Average Power, Ambient Temperature |
40 °C | 104 °F |
| Average Power, Temperature Rise |
42 °C | 76 °F |
Return Loss
| Frequency Band |
VSWR |
Return Loss (dB) |
| 17.7–19.7 GHz |
1.15 |
23.10 |
Attenuation
| Frequency (GHz) |
Attenuation (dB/100 ft) |
Attenuation (dB/100 m) |
Average Power (kW) |
Group Velocity % |
| 17.7 |
6.13 |
20.111 |
0.537 |
77.7 |
| 18.1 |
6.035 |
19.799 |
0.546 |
78.8 |
| 18.5 |
5.951 |
19.523 |
0.553 |
79.8 |
| 18.9 |
5.876 |
19.278 |
0.56 |
80.7 |
| 19.3 |
5.81 |
19.06 |
0.567 |
81.6 |
| 19.7 |
5.75 |
18.865 |
0.573 |
82.4 |
If you have any questions, please do not hesitate to contact us. or send us an email.
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