Hey ho,
I have just got one of these
http://www.mkelectric.co.uk/PDF/tech...ts_Digital.pdf
to tidy up things when I get around to re-routing cables after
re-furb, but am confused as to how to "collect" all signals.

I was under the impression I would have to feed all 3 cables to the back
then connect them seperately, but it is a tri-plexer which fliters off
signals from a singular feed.

so, How do I collect signals from 3 aerials in order to feed them down
the same co-ax. ?

Am I missing a vital ingredient in my plan?

Cheers
Pete
--
http://gymratz.co.uk - UK's best bodybuilding supplements,gym equipment.
http://gymratz.co.uk/hot-seat.htm - Live web-cam!
TRADE PRICED SUPPLEMENTS for Personal Trainers or individual purchase.
http://trade-price-supplements.co.uk

In article , Pet
writes
Hey ho,
I have just got one of these
http://www.mkelectric.co.uk/PDF/tech...ts_Digital.pdf
to tidy up things when I get around to re-routing cables after
re-furb, but am confused as to how to "collect" all signals.

I was under the impression I would have to feed all 3 cables to the back
then connect them seperately, but it is a tri-plexer which fliters off
signals from a singular feed.

so, How do I collect signals from 3 aerials in order to feed them down
the same co-ax. ?

Am I missing a vital ingredient in my plan?

Cheers
Pete

Simple!, you need another unit up the top to combine the signals
together in the first place!. Usually the TV and FM are generally
combined in some distribution amps, but some units have a more
specialised unit called a multiswitch which can introduce a SAT feed in
the same coax.

However there combiners that can get all three sigs into the same lead
in a simple fashion just in case you only have the one co-ax buried in
the wall..
--
Tony Sayer

On Wed, 04 Aug 2004 16:15:09 GMT, Pet strung
together this:

Am I missing a vital ingredient in my plan?

Yep, one of these, or something similar.
http://www.tvlink.co.uk/loftbox.htm
--

SJW
A.C.S. Ltd

In message , Pet
wrote
Hey ho,
I have just got one of these
http://www.mkelectric.co.uk/PDF/tech...ts_Digital.pdf
to tidy up things when I get around to re-routing cables after
re-furb, but am confused as to how to "collect" all signals.

I was under the impression I would have to feed all 3 cables to the
back then connect them seperately, but it is a tri-plexer which fliters
off signals from a singular feed.

so, How do I collect signals from 3 aerials in order to feed them down
the same co-ax. ?

Am I missing a vital ingredient in my plan?

A signal combiner is used at the other end of the cable - often part of
a distribution amplifier

The cable used must also be suitable for the most demanding part of the
combination - in this case for satellite. The 'brown type' of aerial
cable widely used in the past is totally unsuitable. It is recommended
that even for digital terrestrial television satellite cable is used
anyway (CT100 or a similar double screened co-ax , where the inner
screen is copper).

--
Alan

Lurch wrote:


Yep, one of these, or something similar.
http://www.tvlink.co.uk/loftbox.htm

Nice one Lurch.
That simplifies and explains things.

Cheers
Pete

--
http://gymratz.co.uk - UK's best bodybuilding supplements,gym equipment.
http://gymratz.co.uk/hot-seat.htm - Live web-cam!
TRADE PRICED SUPPLEMENTS for Personal Trainers or individual purchase.
http://trade-price-supplements.co.uk

On Wed, 04 Aug 2004 22:04:57 GMT, Pet wrote:

Lurch wrote:


Yep, one of these, or something similar.
http://www.tvlink.co.uk/loftbox.htm

Nice one Lurch.
That simplifies and explains things.

Cheers
Pete



This is a reasonably useful product, but do be aware of one thing. It
does *not* allow you to distribute the satellite signal from the dish
to every position in the house.

It will allow you to deliver it, combined with other signals to a
position where your satellite decoder is and then to distribute the
selected satellite channel (using UHF) back to the Loftbox and hence
to other outlets.

In other words, it isn't a way to have multiple satellite boxes in
different places. This requires something more sophisticated known as
a multiswitch.


..andy

To email, substitute .nospam with .gl

On Wed, 04 Aug 2004 23:30:04 +0100, Andy Hall
strung together this:

In other words, it isn't a way to have multiple satellite boxes in
different places. This requires something more sophisticated known as
a multiswitch.

On the site there are a couple of new products you can use with Sky+
to control both receivers through one distribution system from various
locations. Still isn't quite what you were referring to but for a
domestic installation 2 Sky receivers should be enough.
--

SJW
A.C.S. Ltd

Andy Hall wrote:

In other words, it isn't a way to have multiple satellite boxes in
different places. This requires something more sophisticated known as
a multiswitch.

Or a dual or quad output balun mounted on the dish. Each balun can feed
one receiver (sky+ has two receivers in one box hence needs two)

--
Cheers,

John.

/================================================== ===============\
| Internode Ltd - http://www.internode.co.uk |
|-----------------------------------------------------------------|
| John Rumm - john(at)internode(dot)co(dot)uk |
\================================================= ================/

On Thu, 05 Aug 2004 00:47:24 +0100, Lurch
wrote:

On Wed, 04 Aug 2004 23:30:04 +0100, Andy Hall
strung together this:

In other words, it isn't a way to have multiple satellite boxes in
different places. This requires something more sophisticated known as
a multiswitch.

On the site there are a couple of new products you can use with Sky+
to control both receivers through one distribution system from various
locations. Still isn't quite what you were referring to but for a
domestic installation 2 Sky receivers should be enough.

Sure. Makes sense.

I just wanted to make the point that the Loftbox type solution can
only feed one dish-to-receiver connection over the single cable.
The diagram doesn't show otherwise but one could mistakenly assume it.




..andy

To email, substitute .nospam with .gl

On Thu, 05 Aug 2004 04:06:06 +0100, John Rumm
wrote:

Andy Hall wrote:

In other words, it isn't a way to have multiple satellite boxes in
different places. This requires something more sophisticated known as
a multiswitch.

Or a dual or quad output balun mounted on the dish. Each balun can feed
one receiver (sky+ has two receivers in one box hence needs two)

Of course. A dual or quad LNB can be used but it does require one
cable from dish to each receiver ( or with Sky+ box two cables).
The Loftbox can't combine them and split them out again. It could
take one, and add in terrestrial TV and VHF but the other would have
to be home run all the way from dish to receiver - i.e. total of two
cables.




..andy

To email, substitute .nospam with .gl

In article , Andy Hall
wrote:

Of course. A dual or quad LNB can be used but it does require one
cable from dish to each receiver ( or with Sky+ box two cables).
The Loftbox can't combine them and split them out again. It could
take one, and add in terrestrial TV and VHF but the other would have
to be home run all the way from dish to receiver - i.e. total of two
cables.

Triax TMC 69 SAT on the outputs of the Loftbox will do that job, but I would
call it a day and fit a multiswitch. The prices have become more sensible of
late and when I get round to it, I will have them listen on my website.

--
AJL Electronics (G6FGO) Ltd : Satellite and TV aerial systems
http://www.classicmicrocars.co.uk : http://www.ajlelectronics.co.uk

In article , John
Rumm writes
Andy Hall wrote:

In other words, it isn't a way to have multiple satellite boxes in
different places. This requires something more sophisticated known as
a multiswitch.

Or a dual or quad output balun mounted on the dish. Each balun can feed
one receiver (sky+ has two receivers in one box hence needs two)


Ahem...

In aerial parlance a balun is a BALanced to UNbalanced transformer,
useful for matching the inherently balanced dipole to the unbalanced
coaxial feeder.

What you mean is a LNB Low Noise Block converter....
--
Tony Sayer

Bancom Communications Ltd U.K. Tel+44 1223 566577 Fax+44 1223 566588

P.O. Box 280, Cambridge, England, CB2 2DY E-Mail

In article , Alan junk_news_a@am
acleod.clara.co.uk writes
In message , Pet
wrote
Hey ho,
I have just got one of these
http://www.mkelectric.co.uk/PDF/tech...ts_Digital.pdf
to tidy up things when I get around to re-routing cables after
re-furb, but am confused as to how to "collect" all signals.

I was under the impression I would have to feed all 3 cables to the
back then connect them seperately, but it is a tri-plexer which fliters
off signals from a singular feed.

so, How do I collect signals from 3 aerials in order to feed them down
the same co-ax. ?

Am I missing a vital ingredient in my plan?

A signal combiner is used at the other end of the cable - often part of
a distribution amplifier

The cable used must also be suitable for the most demanding part of the
combination - in this case for satellite. The 'brown type' of aerial
cable widely used in the past is totally unsuitable. It is recommended
that even for digital terrestrial television satellite cable is used
anyway (CT100 or a similar double screened co-ax , where the inner
screen is copper).

That is generally very good advice to use CT100 or similar cables but if
your stuck with a bit of the older low-loss TV aerial cable in your wall
it may well still work, well ours does!, but if you were doing the job
from scratch then CT100 it is
--
Tony Sayer

tony sayer wrote:

Ahem...

In aerial parlance a balun is a BALanced to UNbalanced transformer,
useful for matching the inherently balanced dipole to the unbalanced
coaxial feeder.

What you mean is a LNB Low Noise Block converter....

Yes you are right, I do!

Sorry about that.... (writing while half asleep again!)



--
Cheers,

John.

/================================================== ===============\
| Internode Ltd - http://www.internode.co.uk |
|-----------------------------------------------------------------|
| John Rumm - john(at)internode(dot)co(dot)uk |
\================================================= ================/

In uk.d-i-y, tony sayer wrote:
What you mean is a LNB Low Noise Block converter....

AAMOI (well, to me, anyway) is there, or was there, such a thing as an HNB?

--
Mike Barnes

In article , Mike Barnes
writes
In uk.d-i-y, tony sayer wrote:
What you mean is a LNB Low Noise Block converter....

AAMOI (well, to me, anyway) is there, or was there, such a thing as an HNB?


Its all relative:-))

FWIW when you receive microwave signals you need to have as low noise
amplifier and frequency converter as possible, in order to make up the
gain loss in the overall system, so hence the lo noise bit, obviously
the lower the noise figure the better the performance of your receiving
system....

Without going into a lecture about it all......
--
Tony Sayer

On Thu, 5 Aug 2004 08:41:38 +0100, "Andy Luckman (AJL Electronics)"
wrote:

In article , Andy Hall
wrote:

Of course. A dual or quad LNB can be used but it does require one
cable from dish to each receiver ( or with Sky+ box two cables).
The Loftbox can't combine them and split them out again. It could
take one, and add in terrestrial TV and VHF but the other would have
to be home run all the way from dish to receiver - i.e. total of two
cables.

Triax TMC 69 SAT on the outputs of the Loftbox will do that job, but I would
call it a day and fit a multiswitch. The prices have become more sensible of
late and when I get round to it, I will have them listen on my website.


Exactly - I have a Spaun one which performs well and is extendable as
well as having the ability to inject UHF and VHF.

With a bit of jiggery pokery in the configuration I have been able to
hook in feeds from two dishes and have a choice of satellite receivers
at each location using DiSecq switching.


..andy

To email, substitute .nospam with .gl

In article , Pet
writes
Hey ho,
I have just got one of these
http://www.mkelectric.co.uk/PDF/tech...ts_Digital.pdf
to tidy up things when I get around to re-routing cables after
re-furb, but am confused as to how to "collect" all signals.

I was under the impression I would have to feed all 3 cables to the
back then connect them seperately, but it is a tri-plexer which fliters
off signals from a singular feed.

so, How do I collect signals from 3 aerials in order to feed them down
the same co-ax. ?

Am I missing a vital ingredient in my plan?

Cheers
Pete

I want DAB distributed (as well as FM and UHF and maybe satellite
bands). Are these MK units suitable, of course given a suitable
ampilfier / multiswitch. I noted there were two sections in the MK
units.
--
Z
Remove all Zeds in e-mail address to reply.

In article , Z
writes
In article , Pet
writes
Hey ho,
I have just got one of these
http://www.mkelectric.co.uk/PDF/tech...ts_Digital.pdf
to tidy up things when I get around to re-routing cables after
re-furb, but am confused as to how to "collect" all signals.

I was under the impression I would have to feed all 3 cables to the
back then connect them seperately, but it is a tri-plexer which fliters
off signals from a singular feed.

so, How do I collect signals from 3 aerials in order to feed them down
the same co-ax. ?

Am I missing a vital ingredient in my plan?

Cheers
Pete

I want DAB distributed (as well as FM and UHF and maybe satellite
bands). Are these MK units suitable, of course given a suitable
ampilfier / multiswitch. I noted there were two sections in the MK
units.

I'm pretty certain that the DAB band 226 MHz ish is covered by modern
equipment.

Course you should not need an aerial for the crystal clear CD quality
reception;()
--
Tony Sayer

In article , tony sayer
writes
In article , Z
writes
In article , Pet
writes
Hey ho,
I have just got one of these
http://www.mkelectric.co.uk/PDF/tech...ts_Digital.pdf
to tidy up things when I get around to re-routing cables after
re-furb, but am confused as to how to "collect" all signals.

I was under the impression I would have to feed all 3 cables to the
back then connect them seperately, but it is a tri-plexer which fliters
off signals from a singular feed.

so, How do I collect signals from 3 aerials in order to feed them down
the same co-ax. ?

Am I missing a vital ingredient in my plan?

Cheers
Pete

I want DAB distributed (as well as FM and UHF and maybe satellite
bands). Are these MK units suitable, of course given a suitable
ampilfier / multiswitch. I noted there were two sections in the MK
units.

I'm pretty certain that the DAB band 226 MHz ish is covered by modern
equipment.

Course you should not need an aerial for the crystal clear CD quality
reception;()

I know dab sounds rubbish but I won tuners and while I'm wiring I'd be
as well running in a co-ax for DAB if a separate one is needed.
--
Z
Remove all Zeds in e-mail address to reply.