Can someone please tell me...

Forums › Freeview (DVB-T/DVB-S) › Can someone please tell me...

AceKingGaming

10 posts

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#179283 3-Sep-2015 07:34

what type of coaxial as was used back when multi-channel antennas where being installed, like that bendy thin type, i have been looking all over the web to find the name and cannot find it, all help needed, thanks

dukester

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#1378707 3-Sep-2015 07:46

75 ohm coaxial cable

traderstu

332 posts

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#1378709 3-Sep-2015 07:50

Do you mean this? https://en.wikipedia.org/wiki/Twin-lead

traderstu

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#1378711 3-Sep-2015 07:53

Sorry, bendy & thin but not really coaxial

johnr

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#1378720 3-Sep-2015 08:10

75 ohm cable I suspect

antoniosk

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#1378728 3-Sep-2015 08:25

AceKingGaming: what type of coaxial as was used back when multi-channel antennas where being installed, like that bendy thin type, i have been looking all over the web to find the name and cannot find it, all help needed, thanks

It's still 75Ohm impedance cables as standard (even for freeview), but the type of cable can be the flat type which seperates the 2 wires by about 1cm, or the cable in cable double insulated type which is really common now. Of course there are higher standards for freeview and the only passive approach (bang an antenna up) has given way to required powered inline amplifiers (I am in the shadow of Mt KauKau and can barely get freeview)

Remember there's no analog tv left in NZ, it's all digital now.... I expect it's only am/fm radio that's analogue now....

________

Antoniosk

B1GGLZ

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#1378753 3-Sep-2015 08:59

300 Ohm Ribbon??

AceKingGaming

10 posts

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#1379173 3-Sep-2015 15:25

nah i mean the stuff that replaced the ribbon, i thought rg6 was 75 ohm aswell, and yea ik analog is gone, i want it for freeview hd because rg6 is too stiff and costs more i sspect.

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mdooher

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#1379174 3-Sep-2015 15:27

RG-59 75 Ohm coax

Matthew

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#1379176 3-Sep-2015 15:28

IIRC RG6 was less than $1 per meter at Radcliffe.

mdooher

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#1379185 3-Sep-2015 15:33

If you really want thin you could use RG-179, as long as the antenna is fairly close. You terminate it with BNC connectors and then put BNC to F adaptors on it.

PS you would have to be crazy to do this

Matthew

B1GGLZ

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#1379364 3-Sep-2015 19:25

http://www.jaycar.co.nz/Wire%2C-Cable-%26-Accessories/Coaxial-Cable/RF-Antenna---75R/Belden-75-Ohm-Domestic-TV-Coax/p/WB2002

Apsattv

2389 posts

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#1379475 4-Sep-2015 03:52

Don't bother with 300 ohm ribbon type flat cable if you can even still find it anywhere. It will work about as good as a piece of string.

You really want RG6, if you need a flat cable to put it through a window gap etc , you use to be able to get an adapter which had a short flat section with F connectors on each end.

Like this
http://www.sadoun.com/Sat/Installation/Flat-coaxial.jpg

AceKingGaming

10 posts

Wannabe Geek

#1379942 4-Sep-2015 18:48

Apsattv: Don't bother with 300 ohm ribbon type flat cable if you can even still find it anywhere. It will work about as good as a piece of string.

You really want RG6, if you need a flat cable to put it through a window gap etc , you use to be able to get an adapter which had a short flat section with F connectors on each end.

Like this
http://www.sadoun.com/Sat/Installation/Flat-coaxial.jpg

#iknowribbonsucksmyhousehasaold100meterroolunderthere,mightuseitforpeakers

AceKingGaming

10 posts

Wannabe Geek

#1379943 4-Sep-2015 18:49

Apsattv: Don't bother with 300 ohm ribbon type flat cable if you can even still find it anywhere. It will work about as good as a piece of string.

You really want RG6, if you need a flat cable to put it through a window gap etc , you use to be able to get an adapter which had a short flat section with F connectors on each end.

Like this
http://www.sadoun.com/Sat/Installation/Flat-coaxial.jpg

ill be that flat thing is a REAL bottleneck, haha