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Coax
Type
Z
Ω
OD
mm
VEL.
Factor
Cap.
pF / 305 mm
ATT @
100MHz
~dB / 100m
ATT @
200MHz
~dB / 100m
ATT @
400MHz
~dB / 100m
ATT @
1.0GHz
~dB / 100m
+ Belden 9913 50 10.29 0.84 24.6 4.3 5.9 8.5 14.8
Belden 8214 50 10.8? 0.78 26.0 5.6 8.5 ? 23.0
. . . . . . . . .
*RG
213 A/U
50 10.29 0.659 30.8 6.8 9.9 ? 25.0
RG
213/U
50 10.29 0.66 30.3 7.2 10.5 15.4 29.2
RG
214/U
50 10.8 0.66 30.8 7.2 10.5 15.4 29.2
RG
8 & 8A
52 10.3? 0.66 29.5 8.2 13.2 ? 33.0
+ RG
8 foam die.
50 ? 0.80 25.4 5.6 8.2 ? 19.8
RG
58 A/U
50 4.95 0.659 28.5 16.7 23.9 37.7 70.5
RG
58 C/U
50 4.95 0.66 30.8 16.0 24.0 37.7 70.5
. . . . . . . . .
RG
59A
73 ? 0.66 21.0 11.2 16.1 ? 39.0
RG
11
75 10.29 0.66 20.6 8.2 13.2 ? 33.0
RG
11/U
75 10.29 0.66 20.51 6.6 9.5 13.8 23.3
+ RG
6
75 6.85 0.78 17.4 6.9 12.5 14.4 19.7
Hardline
coax
13mm
OD
Convert
pF / ft > pF / m
3.28 * pF = pF / m
+ LDF 4-50A 50 ? 0.88 23.1 2.24 3.18 ? 7.68
+ FHJ 4-50? 50 ? 0.79 ? 2.4 3.9 ? 10.0
+ FSJ 4-50 50 ? 0.81 25.2 3.44 4.8 ? 11.9
+ LDF 5-50 50 ? 0.895 22.8 1.3 1.9 ? 4.6

* Notes *
* Also covers RG-214 & RG-215.
+ Suggested for ATV transmitter use.

When joining different types of coax for transmission line, ensure they are the same impedance. If they are not the VSWR may be affected. Also inter joining connectors / adaptors can affect VSWR. Data is collected from various sources. Specification vary between different manufacturer's figures quoted are an average.



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