• Coaxial RF cable System 1
Coaxial RF cable

Coaxial RF cable

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RF cable

Uses: This product is applicable to shared antenna systems, closed circuit television system and other signal transmission, and such cable has the characteristics of small attenuation and strong anti-interference.

Structure and size of YWV (Y) PE physical foaming insulated coaxial RF cable products

Items
Sizes
SYWV(Y)-75-5
SYWV(Y)-75-7
SYWV(Y)-75-9
SYWV(Y)-75-12
Inner conductor diameter
1.00±0.02
1.66±0.02
2.15±0.03
2.77±0.03
Outer diameter of foaming medium (insulator)
4.80±0.20
7.25±0.20
9.00±0.25
11.50±0.30
Outer conductor
Aluminum-plastic composite belt or aluminum foil + tinned soft copper wire braiding, and the nominal diameter when the tinned copper wire is used in braid
0.12~0.15
0.12~0.15
0.12~0.18
0.12~0.20
The maximum diameter braided angle of outer conductor ≤ 45 °, filling factor of 0.23 (minimum)
5.8
8.3
10.1
12.6
Jacket
Thickness
0.70
0.85
0.96
1.00
Outer diameter
7.2±0.30
10.3±0.30
12.2±0.40
15.40±0.40
Delivery length
Length of each volume
100
100
200
200
Short break
20
50
50
50
As for length of each conducting wire of -7, -9, -12, the order requirements shall prevail

Electrical performance of SYWV (Y) polyethylene physical foaming insulated coaxial RF cable products

Items
Sizes
SYWV(Y)-75-5
SYWV(Y)-75-7
SYWV(Y)-75-9
SYWV(Y)-75-12
Core cable dielectric strength
1.6
1.6
1.6
1.6
Insulation Resistance 500V DC >
10000
10000
10000
10000
Sheath dielectric strength
Spark test
3.0
5.0
8.0
8.0
Water immersion test
2.0
3.0
5.0
5.0
Characteristic impedance 200MHZ
75±3.0
75±2.5
75±2.5
7.5±2.0
Voltage decrease constant
50MHz
4.9
3.1
2.6
2.0
200MHz
9.9
6.5
5.2
4.1
550MHz
16.8
10.7
8.5
6.7
800MHz
21.0
13.9
11.5
92
Return loss
VHF
20
20
20
23
VHF
18
18
18
20

SYV Solid polyethylene insulated RF cable:

Type
Cable structure parameters
Inner conductor
Insulation
Outer conductor
Jacket
Structure elements/diameter
Outer diameter
Structure
Nominal thickness
Thinnest thickness
Outer diamete
SYV75-2
7/0.08
1.5±0.10
Single braid layer
0.43
0.30
2.9±0.10
SYV75-3
7/0.17
3.0±0.15
Single braid layer
0.66
0.45
5.0±0.25
SYV75-5-1
1/0.72
4.6±0.20
Single braid layer
0.90
0.60
7.1±0.30
SYV75-5-2
7/0.26
4.6±0.20
Single braid layer
0.90
0.60
7.1±0.30
SYV75-7
7/0.40
7.30±0.25
Single braid layer
1.0
0.70
10.2±0.30
SYV75-9
1/1.37
9.0±0.30
Single braid layer
1.2
0.80
12.4±0.40
SYV50-2-1
7/0.15
1.5±0.10
Single braid layer
0.43
0.30
2.9±0.10
SYV50-2-2
1/0.68
2.2±0.10
Single braid layer
0.56
0.40
4.0±0.20
SYV50-3
1/0.90
3.0±0.15
Single braid layer
0.66
0.45
5.0±0.25
SYV50-5-1
1/1.37
4.6±0.20
Single braid layer
0.90
0.60
7.0±0.30
SYV50-5-2
1/1.37
4.6±0.20
Single braid layer
0.90
0.60
7.8±0.30
SYV50-7-1
7/0.76
7.3±0.25
Single braid layer
1.0
0.70
10.2±0.30
SYV50-7-2
7/0.76
7.3±0.25
Single braid layer
1.0
0.70
11.2±0.30

SYKV vertical hole PE insulated RF cable:

Structure
Type
Inner conductor
Insulation outer diameter
Insulation resistance
Characteristic impedance
Capacitance
Attenuation Coefficient
Reference Weight
50MHz
200MHz
800MHz
Vertical hole Insulation
SYKV-75-5
1/1.00
4.8
5000
75±3
60
5.3
10.8
22.9
50
SYKV-75-7
1/1.60
7.3
5000
75±3
60
3.4
7.1
15.2
95
SYKV-75-9
1/2.00
9.0
5000
75±3
60
2.8
5.7
12.5
153


Q: There have been severe storms in my country Kenya and power lines have fallen and caused a lot of injuries, some fatal to pedestrians, motorists and others.I am sure if power lines were covered with rubber sheathing or some other apopropriatde material, there would be less likelihood of electrocution, serious injury, fire or property damage. I am a lay person in these matters so I am talking from what I have seen.Thanks in advance.
Let's see... First of all ONLY high voltage power cables do not have protective polymer insulation. Low voltage cables, like the ones that bring outlet tension to homes do have an insulation, usually made of PVC, rubber, silicone and such. The large, 10000Volts, up to and over 200000 volts and so on do not for several reasons: 1. It would be impractical to make. For usual materials, like PVC the thickness of the insulation would be extreme (I think as thick as several centimeters) as to protect from such high voltages. Such insulations would make the cables break under their own weight. 2. The cables heat up really good under the enormous currents and voltages so the insulation plastic would be close to melting point all the time. 3. PVC is quite senzitive to weather curing. It becomes brittle and cracks if left under weather condition for several years so the insulation would still serve to no good. Furthermore, regulations regarding aerial wiring state that they should avoid crossing populated areas, roads, etc. unless absolutely necessary. Also, wires fallen on ground should definitely not be messed with. Furthermore, if high voltage cables were insulated, this would only serve ready made combustion materials for fires in case of short circuits and damages. I guess this takes care of your question...
Q: I installed a 40mm fan on the GPU heatsink that is drawing power from the 12v on the DVD power cable. I'm also thinking of installing a couple 4'' cold cathode lights. How much power can you draw from the 12v DVD power cable before it becomes unstable?
its not smart to attach anything to your 12v power on the dvd line it can cause problems to your 360 and your dvd drive. get your 12v directly from the power socket .
Q: The green light on the back of the power supply comes on when the power cable is plugged. also, every time i plug in the power cable, the fan on the power supply wants to spin, but it stops. The squeezing noise remains and i push the power button - nothing comes on. Before, it used to come on for a few seconds and then it will turn off by itself. I though it was a virus, so i restarted in safe mode to scan it. The PC stayed on for like 30 minutes and then it turn off by itself. But every since it does not wants to come on. Is the power supply gone? If so, how can still the green button comes on and the squeezing noise remains?please help me out! I need my PC! thanx in advanced!
ROFLMAO What's a squeezing noise?!?
Q: what cables do i need (besides a power cable) to start playing?
If you have a HDTV, get an HDMI cable. If you have a SDTV, get Component Cables if your TV supports it, but if your TV doesn't support Component Cables, get the standard A/V Composite Cables. And make sure that you get a Mini B USB cord because without it, you wont be able to charge the PS3 controller.
Q: On my PSU I have two PCI-E 6 pin cables. I have looked at the motherboard and saw there is nowhere to plug it in and my motherboard manual says of no slots for it but I do have two PCI-Express slots. Do they plug into the cards themselves or something?How do I use the PCI-E power cables?
No you do not choose a pci-e connector promptly from the potential furnish. maximum pictures enjoying cards presently comprise a 2-a million molex-to-pci-e connector with them. If it doesnt comprise one, they pass much less costly at your interior reach workstation save. wish I helped P.S maximum potential components presently the two have alot of molex connectors or a pci-e connector on them so which you need to be wonderful.
Q: So i left my xbox on over night (i know i know) and during the night there was either a power outage or surge, cuz all the electronic clocks had been reset. So i went to my xbox, and the light on the power cable box was red and my xbox wouldnt turn on. I havent tried unplugging it yet cuz the wires are behind my tv and a pain in the *** to get to, but i have a feeling this wont help.do i need to get it repaired?
i'd recommend attempting a diverse outlet. Yellow isnfine cuz even as mine is off its yellow. it would properly be eco-friendly once you turn it on. If it really is nevertheless purple i'd say supply xbox a call or get a clean cable. Xbox enables yet not that a lot yet u can attempt
Q: I am trying to install a dc power outlet and it says i need to connect to the direct power cable. How do I find it?
Run it to battery as others have said. Just be sure to put an inline fuse in line just in case wire shorts out or something. 20 amp max.
Q: Hi, I have a router connected to the internet, but one of the computer is 80 feets away from the router and it can not get 100MBps. I have force the computer to use 10MBps. Could someone please let me know what will impact the speed of cat5 cabling?
Ok, please note the following: MB/s = MegaBYTES per second Mb/s = MegaBITS per second 10MB/s = 100Mb/s (roughly) Your router and NIC card is 100Mb/s (unless they are both Gigabit - Gb/s which will give you roughly 100MB/s in speed assuming both the NIC and router can support that speed.) I hope this answers your question.
Q: so my old psu fryed itself, and i just ordered a new one, i have another psu that i can use but its only 350 watts, it has no gpu connector, can i still use my computer without the power for the gpu, i have no onboard video and i have a radeon hd 6850 256 bit gddr5. and my cpu is a amd phenom 2 x6 (six core) 1045tthankyou
..... aaaand how did you expect to power your GPU then?
Q: I lost the power cord and I can't seem to find a replacement online. Is there anything I can do to savage this since I do not want to buy a new printer. If it helps, I have an old power cable from a samsung ML 2510, but that printer is deemed useless since it started to smell like smoke.
It is the same kind of cable for your pc power supply, just find it in computer shops.

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