I am sorry I cannot remember which reflector where I first read about
the newest flexible BELDEN coax. So I had more questions so I contacted
their marketing engineers and obtained more specs which, if I may, share with
you. BTW I don't have shares of stock in BELDEN!
Quote:
I. Description:
It is a new flexible low-loss RG-8/U type 50 ohm transmission cable.
II. Electrical Characteristics:
Nom. Impedance: 50 ohms
Nom. Inductance: .059 Micro-H/ft
Nom. Capacitance
CONDUCTOR TO SHIELD 24.6 PF/FT
Nom. Velocity fo Propagation 84% (0.84)
Nom. Delay: 1.24 ns/ft
Nom. Conductor DC resistance
@ 20Deg. C: 1.0 ohm/1000 ft.
Nom. Shield DC resistance 1.8 ohm/1000 ft.
Max Operating Voltage: 600VRMS (NON-UL)
Nom. Attenuation:
MHz db/100 ft.
1 .2
10 .6
50 1.1
100 1.5
200 2.0
400 2.8
700 3.9
900 4.4
1000 4.8
4000 11.0
Max Operating Freq: 8GHz
III. Physical Characteristics
Temp Rating/Range: -40 to +80 Deg C
Min. Bending Radius: 4-inches
Max. Pulling Tension: 210 lbs.
Nom. Weight/1,000 ft 104 lbs.
Conductor Material & Dia. 10AWG (19x23) Bare Copper
.108" nom.
Insulation Material & Dia. Foam High Density PE
.285" Nom.
Shield Type & % coverage 1st layer- duobone II
100%
2nd layer-tinned copper
braid 90%
Jacket Material & Dia. Belflex (tm) (Black)
.405" Nom.
IV. Use: Suitable for indoor, outdoor and aerial applications. Unquote......
Hope this data on the new flexable, low-loss BELDEN 9913F finds its way
into your data banks and antenna, transmission data files.........GL Lee
KH6BZF
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