17.7-19.7 GHz Standard Elliptical Waveguide

Product Specifications

EW20-25

EW20, HELIAX® Standard Elliptical Waveguide, 2.5–2.7 GHz, black PE jacket

Waveguide
Cable Type Standard Waveguide
Frequency Range 17.7-19.7 GHz
VSWR 1.15:1
Attenuation, Lo 6.13
Attenuation, Mid 5.91
Attenuation, Hi 5.75
Waveguide General Char
1-Time E-Plane Bending Radius(in) 6
1-Time H-Plane Bending Radius(in) 15
Multiple E-Plane Bending Radius(in) 6
Multiple H-Plane Bending Radius(in) 11
Max. Twist 2 Deg
Dimensions 0.78 x 0.48
Warranty 10 Year
Ship Weight (lbs.) 0.15
Shipping Method Common Carrier (Truck)
Weight 0.15 lbs
Construction Materials
Jacket Color Black
Jacket Material PE
General Specifications
Brand HELIAX®
Construction Materials
Conductor Material Corrugated Copper
Dimensions
Diameter Over Jacket (E Plane) 127.50 mm | 5.02 in
Diamter Over Jacket (H Plane) 71.90 mm | 2.83 in
Electrical Specifications
Operating Frequency band 2.5 – 2.7 GHz
Weight 1.85 lbs
Construction Materials
Jacket Material PE
Conductor Material Corrugated copper
Jacket Color Black
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
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
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)
General Specifications
Brand HELIAX®
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) 380.00 mm | 15.00 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
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
VSWR/Return Loss Performance
Note VSWR/Return Loss indicated is for lengths up to 300 ft (91.4 m), guaranteed
for factory­fit and typical for field­fit assemblies | Custom length
performance: Call +1­800­255­1479 (N. America), +1­779­435­6500 (Int’l.),
or your local Andrew representative
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