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How to choose RF cable assembly
2019-04-30 12:38:21

How to choose RF cable assembly
 
How to choose cable assembly
 
 
 
First, What's is cable assembly, In this article, we only think that's RF cable assembly. 
 
Also, we call it RF cable jumper too.  Usually, cable assembly has two RF connector and one coaxial cable.
 
The purpose transmit microwave signal. It's widely used in the antenna system, DAS, base station, WIFT, LoT, etc.
 
 
 
In the beginning, you should choose an RF connector, click here to select.

 

RF cable

(This is a typical RF cable assembly for the antenna system. Left side connector A is N female bulkhead connector,
 
Right side connector B is IPEX(U.FL) connector. The coaxial cable is micro-coaxial 1.13, see below cable sheet )
 
Choose 1 or 2 types RF connector for connector A or connector B.
 
You can only choose connector A; the client will assembly another side at the working field.
 
 
 
Then you should choose a type of coaxial cable. The popular model is the RG series(MIL-C-17 standard), LMR series, ST series, corrugated series,semi-rigid series(MIL-C-17 standard).
 
It depends on your application. 
 
 
 
Second, you should know what's performance do you need.
 
1.Impendence: 50 ohms,75 ohms.
 
2.VSWR( return loss)
 
3.Working frequency.
 
3.PIM3 (intermodulation)
 
4.Attenuation
 
5.Flexibility 
Type Cable Designation Impedence Conductor Type Conductor Insulator Jacket Material of Jacket
Microcoax cables MC0.08 50 Solid 0.16 (.006) 0.50 (.020) 0.83 (.033) PFA dielectric
  MC1.17 50 Solid 0.17 (.007) 0.52 (.020) 1.17 (.046) PTFE dielectric
  MC1.13 50 7 x 0.08 0.24 (.009) 0.68 (.027) 1.13 (.044) PTFE dielectric
  MC1.37 50 7 x 0.102 0.30 (.012) 0.89 (.035) 1.37 (.054) PTFE dielectric
Semi-rigid cables SR0.087 50 Solid 0.51 (.020) 1.68 (.066) 2.20 (.087) Copper tubing
NF-C-93-551 SR0.141 50 Solid 0.92 (.036) 2.98 (.117) 3.58 (.141) Copper tubing
  SR0.250 50 Solid 1.63 (.064) 5.31 (.209) 6.35 (.250) Copper tubing
LMR cables LMR 200 50 Solid 1.12 (.044) 2.95 (.116) 4.95 (.195) PE jacket
  LMR 400 50 Solid 2.77 (.109) 7.24 (.285) 10.3 (.405) PE jacket
  LMR 600 50 Solid 4.47 (.176) 11.56 (.455) 14.99 (.590) PE jacket
Flexible cables RG 6 A/U 75 Solid 0.72 (.028) 4.70 (.185) 8.43 (.332)  
MIL-C-17 standard RG 11 A/U 75 7 x 0.4 1.20 (.047) 7.25 (.285) 10.29 (.405)  
  RG 12 A/U 75 7 x 0.4 1.20 (.047) 7.25 (.285) 12.06 (.474)  
  RG 58 C/U 50 19 x 0.18 0.90 (.035) 2.95 (.116) 4.95 (.195) PVC jacket
  RG 59 B/U 75 Solid 0.57 (.022) 3.71 (.146) 6.15 (.242) PVC jacket
  RG 62 B/U 93 Solid 0.64 (.025) 3.71 (.146) 6.15 (.242) PVC jacket
  RG 63 B/U 125 Solid 0.65 (.026) 2.95 (.116) 10.29 (.405)  
  RG 71 B/U 93 Solid 0.64 (.025) 3.71 (.146) 6.22 (.245)  
  RG 140 /U 75 Solid 0.64 (.025) 3.71 (.146) 5.92 (.233)  
  RG 142 B/U 50 Solid 0.94 (.037) 2.95 (.116) 4.95 (.195)  
  RG 144 /U 75 7 x 0.45 1.35 (.053) 7.25 (.285) 10.40 (.409)  
  RG 165 /U 50 7 x 0.8 2.40 (.094) 7.25 (.285) 10.40 (.409)  
  RG 174 A/U 50 7 x 0.16 0.48 (.019) 1.52 (.060) 2.79 (.110) PVC jacket
  RG 178 B/U 50 7 x 0.1 0.30 (.012) 0.84 (.033) 1.78 (.070) FEP jacket
  RG 178 B/U 50 7 x 0.1 0.30 (.012) 0.84 (.033) 1.83 (.072) PVC jacket
  RG 141 A/U 50 Solid 0.99 (.039) 2.95 (.116) 4.83 (.190) Glass fiber jacket
  RG 178 non m. 50 7 x 0.1 0.29 (.011) 0.84 (.033) 1.80 (.071) Nonmagnetic / FEP jacket
  RG 179 B/U 75 7 x 0.1 0.30 (.012) 1.60 (.063) 2.54 (.010) FEP jacket
  RG 187 A/U 75 7 x 0.1 0.30 (.012) 1.60 (.063) 2.79 (.110) PTFE jacket
  RG 188 A/U 50 7 x 0.17 0.51 (.020) 1.52 (.060) 2.79 (.110) PTFE jacket
  RG 196 A/U 50 7 x 0.1 0.30 (.012) 0.86 (.034) 2.03 (.080) PTFE jacket
  RG 212 /U 50 Solid 1.41 (.056) 4.70 (.185) 8.43 (.331)  
  RG 213 /U 50 7 x 0.75 2.26 (.089) 7.24 (.285) 10.30 (.406) PVC jacket
  RG 214 /U 50 7 x 0.75 2.25 (.089) 7.24 (.285) 10.80 (.425) PVC jacket
  RG 215 50 7 x 0.75 2.25 (.089) 7.25 (.285) 10.29 (.405)  
  RG 216 /U 75 7 x 0.4 1.21 (.048) 7.24 (.285) 10.80 (.425) PVC jacket
  RG 217 /U 50 Solid 2.69 (.106) 9.40 (.370) 13.84 (.545) PVC jacket
  RG 218 /U 50 Solid 4.95 (.195) 17.27 (.680) 22.10 (.870) PVC jacket
  RG 223 /U 50 Solid 0.89 (.035) 2.95 (.116) 5.38 (.212) PVC jacket
  RG 225 /U 50 7 x 0.8 2.38 (.094) 7.24 (.285) 10.90 (.429) Glass fiber jacket
  RG 303 /U 50 Solid 0.94 (.037) 2.95 (.116) 4.32 (.170)  
  RG 316 /U 50 7 x 0.17 0.53 (.021) 1.52 (.060) 2.49 (.098) FEP jacket
  RD 316 50 7 x 0.17 0.53 (.021) 1.52 (.060) 2.80 (.110) FEP jacket
  RG 393 50 7 x 0.81 2.39 (.094) 7.24 (.285) 9.91 (.390) FEP jacket
  RG 400 50 19 x 0.19 0.98 (.039) 2.95 (.116) 4.95 (.195) FEP jacket
Semi-rigid cables RG 401 /U 50 Solid 1.63 (.064) 5.31 (.209) 6.35 (.250) Copper tubing
MIL-C-17 standard RG 401 alu 50 Solid 1.63 (.064) 5.31 (.209) 6.35 (.250) Tinned alu tubing
  RG 402 /U 50 Solid 0.92 (.036) 2.98 (.117) 3.58 (.141) Copper tubing
  RG 402 tin 50 Solid 0.92 (.036) 2.98 (.117) 3.58 (.141) Tinned copper tubing
  RG 402 silver 50 Solid 0.92 (.036) 2.98 (.117) 3.58 (.141) Silvered copper tubing
  RG 402 alu 50 Solid 0.92 (.036) 2.98 (.117) 3.58 (.141) Tinned alu tubing
  RG 402 non m. 50 Solid 0.92 (.036) 2.98 (.117) 3.58 (.141) Non magnetic /copper tubing
  RG 405 /U 50 Solid 0.51 (.020) 1.68 (.066) 2.20 (.087) Copper tubing
  RG 405 tin 50 Solid 0.51 (.020) 1.68 (.066) 2.20 (.087) Tinned copper tubing
  RG 405 alu 50 Solid 0.51 (.020) 1.68 (.066) 2.20 (.087) Tinned alu tubing
  RG 405 non m. 50 Solid 0.51 (.020) 1.68 (.066) 2.20 (.087) Non magnetic /copper tubing
  .047" 50 Solid 0.29 (.011) 0.94 (.037) 1.19 (.047) Copper tubing
  .047" tin 50 Solid 0.29 (.011) 0.94 (.037) 1.19 (.047) Tinned copper tubing
Corrugated cables Flexible1/4" 50 Solid 2.38 (.094) 6.40 (.252) 8.70 (.343) Ringed/annular tube
  Flexible 1/2" 50 Solid 4.80 (.189) 11.6 (.457) 16.35 (.644) Ringed/annular tube
  Flexible 7/8" 50 Solid 9.13 (.359) 22.5 (.866) 27.7 (1.091) Ringed/annular tube
  Flexible 1 1/4" 50 Solid 12.7 (.500) 32.5 (1.28) 39.5 (1.55) Ringed/annular tube
  Flexible 1 5/8" 50 Solid 17.3 (.681) 43.5 (1.71) 50.5 (1.99) Ringed/annular tube
  Super flexible 1/4" 50 Solid 1.90 (.075) 4.70 (.185) 7.40 (.291) Helical tube
  Super flexible 3/8" 50 Solid 2.60 (.102) 6.30 (.248) 10.8 (.425) Helical tube
  Super flexible 1/2" 50 Solid 3.60 (.142) 8.70 (.343) 13.2 (.520) Helical tube
  Super flexible 7/8" 50 Tube 9.04 (.356) 23.62 (.930) 27.48 (1.082) Helical tube

The low attenuation cable is low flexibility, the high attenuation is high flexibility. 

 

The end.


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