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Coax Type Z OD
mm
VELOCITY
FACTOR
C
pf ~/ 305mm
ATT @100MHz
~dB / 100m
ATT @200MHz
~dB / 100m
ATT @400MHz
~dB / 100m
ATT @1GHz
~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 not, 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.


/atv/coaxchrt.html of 10112 bytes.
Updated: 2015 Tue Sep.08
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