GrooveTube® Rugged Cables | Through 50 GHz | MegaPhase

GrooveTube® Cables to 50 GHz

Rugged, Low Loss Performance for Severe Environments

  • Low insertion loss
  • Phase and Amplitude stable
  • Stable Under Vibration and Severe Conditions
  • Rugged GrooveTube® Technology
  • Boundless™ PTFE Dielectric
  • Proprietary Pull-Resistant Connector Design

MegaPhase coaxial cables with rugged GrooveTube Technology include a crush-proof convoluted copper armor and outer conductor. GrooveTube cable assemblies features low insertion loss, phase and amplitude stability, and low VSWR through 50 GHz. Applications include phased array radar, electronic warfare radar systems, and applications where high reliability interconnects are critical. Available with phase matching, delay matching, and custom configurations.

Part Numbers

F135, F120, F620, F520, F520x

Specifications – 5 Series

 

Frequency

520 Series 520x Series Conn Loss dB  

VSWR

Attenuation Attenuation
Band GHz dB/ft dB/m dB/ft dB/m
 

UHF

0.3 0.062 0.203 0.104 0.341 0.006  

 

1.10

0.5 0.082 0.268 0.135 0.443 0.009
0.8 0.106 0.348 0.172 0.566 0.012
L 1.0 0.120 0.394 0.194 0.635 0.014
 

S

2.0 0.178 0.585 0.279 0.915 0.024  

 

 

1.15

2.4 0.199 0.652 0.307 1.009 0.027
3.0 0.227 0.744 0.347 1.137 0.032
 

C

4.0 0.270 0.885 0.405 1.328 0.040
6.0 0.347 1.138 0.505 1.658 0.055
 

X

8.0 0.417 1.367 0.593 1.945 0.070 1.20
10.0 0.482 1.580 0.672 2.205 0.084 1.25
12.4 0.555 1.822 0.759 2.491 0.101  

1.30

 

Ku

15.0 0.631 2.070 0.847 2.779 0.118
18.0 0.715 2.345 0.941 3.089 0.139  

 

1.35

 

 

K

20.0 0.769 2.522 1.001 3.285 0.152
22.0 0.821 2.695 1.059 3.475 0.165
24.0 0.873 2.865 1.115 3.659 0.178
26.5 0.937 3.073 1.183 3.881 0.194  

 

1.40

 

 

Ka

28.0 0.974 3.196 1.223 4.011 0.204
30.0 1.024 3.358 1.274 4.181 0.217
32.0 1.072 3.518 1.325 4.347 0.230
34.0 1.375 4.510 0.243  

1.45

36.0 1.423 4.669 0.256
 

V

40.0 1.518 4.980 0.281  

1.50

45.0 1.633 5.356 0.313
50.0 1.743 5.719 0.344 1.55

Specifications

Frequency 135  

VSWR

 

Conn. Loss dB

Attenuation
GHz Band dB/ft dB/m
0.3  

UHF

0.032 0.106  

 

1.10

0.006
0.5 0.042 0.137 0.009
0.8 0.053 0.175 0.012
1.0 L 0.060 0.196 0.014
2.0  

S

0.086 0.283  

1.15

0.024
2.4 0.096 0.311 0.027
3.0 0.107 0.351 0.032
4.0  

C

0.125 0.410  

1.20

0.040
6.0 0.156 0.511 0.055
8.0  

X

0.183 0.599 0.070
10.0 0.207 0.678 1.25 0.084
12.4 0.223 0.766  

1.30

0.101
15.0  

Ku

0.260 0.853 0.118
18.0 0.289 0.948 0.139

Specifications

Frequency 120 620  

VSWR

 

Conn. Loss dB

Attenuation
GHz Band dB/ft dB/m dB/ft dB/m
0.3  

UHF

0.053 0.173 0.054 0.179  

 

1.10

0.006
0.5 0.068 0.225 0.071 0.234 0.009
0.8 0.087 0.287 0.092 0.301 0.012
1.0 L 0.098 0.322 0.103 0.339 0.014
2.0  

S

0.141 0.463 0.151 0.497  

1.15

0.024
2.4 0.155 0.510 0.168 0.550 0.027
3.0 0.175 0.575 0.190 0.625 0.032
4.0  

C

0.204 0.671 0.225 0.737  

1.20

0.040
6.0 0.255 0.836 0.285 0.935 0.055
8.0  

X

0.299 0.980 0.338 1.111 0.070
10.0 0.338 1.110 0.388 1.272  

1.25

0.084
12.4 0.382 1.253 0.443 1.454 0.101
15.0  

Ku

0.426 1.397 0.499 1.639 0.118
18.0 0.473 1.552 0.561 1.841  

 

1.30

0.139
20.0  

 

K

0.503 1.649 0.601 1.971 0.152
22.0 0.532 1.744 0.639 2.097 0.165
24.0 0.559 1.835 0.677 2.220 0.178
26.5 0.593 1.946 0.722 2.370  

1.35

0.194
28.0  

Ka

0.613 2.010 0.204
30.0 0.638 2.095 0.217
32.0 0.664 2.177 1.40 0.230

Electrical Data

Maximum Frequency:

135: 18.0 GHz
120: 32.0 GHz
620: 26.5 GHz
520: 32.0 GHz
520x: 50.0 GHz

Impedance:

50 Ω nominal

Propagation Velocity:

135: 84% nominal
120: 86.5% nominal
520: 69% nominal
520x: 80% nominal
620: 80% nominal

Time Delay:

120: 1.17 ns/ft (3.84 ns/m)
135: 1.21 ns/ft (3.97 ns/m)
620: 1.27 ns/ft (4.17 ns/m)
520: 1.47 ns/ft (4.82 ns/m)
520x: 1.27 ns/ft (4.17 ns/m)

Shielding Effectiveness:

-110 dB minimum (cable only)

Dielectric Withstanding Voltage:

120, 520: 10 kV at 60 Hz
135: 15 kV at 60 Hz
620: 7.5 kV at 60 Hz
520x: 1.2 kV at 60 Hz

Capacitance:

520: 29.0 pF/ft (95.1 pF/m)
620: 26.7 pF/ft (87.6 pF/m)
120 Series: 24.5 pF/ft (80.4 pF/m)
135 Series: 15.8 pF/ft (51.8 pF/m)

Mechanical Data

Finished Outer Diameter:

120, 520, 520x, 620: 0.285 in (0.724 cm)
135: 0.400 in (1.016 cm)

Static Bend Radius:

120, 520, 520x, 620: 1.5 in (3.81 cm)
135: 3.0 in (7.62 cm)

Weight with Standard Jacket/Armor:

120, 520, 520x, 620: 0.05 lbs/ft (0.067 kg/m)
135: 0.14 lbs/ft (0.209 kg/m)

Crush Resistance:

250 lbs/linear in (44.6 kg/linear cm)

Dielectric Withstanding Voltage:

120, 520: 10 kV at 60 Hz
135: 15 kV at 60 Hz
620: 7.5 kV at 60 Hz
520x: 1.2 kV at 60 Hz

Capacitance:

520: 29.0 pF/ft (95.1 pF/m)
620: 26.7 pF/ft (87.6 pF/m)
120 Series: 24.5 pF/ft (80.4 pF/m)
135 Series: 15.8 pF/ft (51.8 pF/m)

Operating Temp. Range:

120, 520, 520x, 135: -67 to 275° F (-55 to 135° C)
620: -40 to 185° F (-40 to 85° C)
For all series except 620:
Above 185° F (85° C) use “T” designation

Cable Construction

Inner Conductor:

1, 5 & 6 Series:          Solid Ag-plated Cu
Dielectric:
135:                         Boundless PTFE
520:                         PTFE
520x:                       Foamed FEP
620:                         Foam PE

Outer Conductor:
120, 520, 620, 135, GrooveTube® Cu
520x Ag plated Cu Foil/Braid

Standard Finish:
120, 520, 520x, 620, 135: Polyolefin over Metallic Braid

Available Connectors

120, 620: 2.4mm, 2.92mm, 3.5mm, 7mm, BNC, SMA,
TNC, Type N
135: 3.5mm, SMA, N Series, TNC, 7-16 DIN
520: 520x 1.85mm, 2.4mm, 2.92mm, 3.5mm, 7mm, 7-16 DIN, BNC, SMA, TNC, Type N, ZMA, ZN

(maximum frequency dependent on cable; other connectors available)

Convoluted copper cable is innovated and manufactured at MegaPhase under a licensing agreement with Flexco Microwave, Inc.

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