ROOM DISTRIBUTION saorview

johnpaulharold

hi all.... happy new year. i,ve just put an aerial in my attic and the new digital stations came through beautifully on new tv. but when i went to get stations through saorview box in another room, the signal wasn't constant and couldn't get channels. i have a fringe distributor in attic that gives an extra 7db, would a stronger amp/distributor fix this problem for me? cheers jph

Peter Rhea

johnpaulharold wrote: »

i have a fringe distributor in attic that gives an extra 7db, would a stronger amp/distributor fix this problem for me?

No point in getting another amp unless this one is faulty. Putting your aerial outside would be a surer way of obtaining a reliable signal, rather than amplifying a poor quality one.

There are other variables to consider; the tv may just have a more sensitive tuner, the cable & connections going to the box may not be as good.

There's a fair chance the tv is operating on a signal that just stays above the threshold for reliable reception. Digital signals have a sudden & complete failure point (the 'digital cliff'), unlike analogue, so even a 'just good enough' signal will provide perfect picture quality on your tv.

Ronnie Raygun

johnpaulharold wrote: »

when i went to get stations through saorview box in another room, the signal wasn't constant and couldn't get channels.

Is the aerial lead for this box plugged into a wallplate? Some of these plates & the flyleads used to connect to them can cause big signal losses.

If it's a similar setup to the tv point that works properly, there's a chance the connection inside the poor one might be less than expertly done. You could try the box on the "good" outlet to test the "less sensitive tuner" idea.

Ronnie Raygun

Peter Rhea wrote: »

the cable & connections going to the box may not be as good.

Or it could be a much longer cable; unlikely in the average house though.

Peter Rhea

Ronnie Raygun wrote: »

You could try the box on the "good" outlet to test the "less sensitive tuner" idea.

Bear in mind though that any dvb-t tuner should work fine if the signal level is within spec (min. level 45 dBµV). The signal at the aerial should at least be at this level, which gives plenty of margin for tuners; attempting to raise a borderline signal with an amp to suit a slightly ‘deaf’ tuner, is only asking for trouble in terms of carrier to noise.

As ever, signal quality is all important.

The Cush

Peter Rhea wrote: »

Bear in mind though that any dvb-t tuner should work fine if the signal level is within spec (min. level 45 dBµV). The signal at the aerial should at least be at this level, which gives plenty of margin for tuners; attempting to raise a borderline signal with an amp to suit a slightly ‘deaf’ tuner, is only asking for trouble in terms of carrier to noise.

The DTG recommend this signal level at the iDTV/STB input and 5dB higher if you're looping it thru sat/vcr before the DTT tuner.

Peter Rhea

johnpaulharold wrote: »

i,ve just put an aerial in my attic ... i have a fringe distributor in attic that gives an extra 7db

What length of cable is there between the aerial & the distribution amp?

johnpaulharold

some great advice folks....one of the recievers is being looped though a dvd ,the other isn't.. also anyone having any trouble with the" 4ife" saorview box.

Peter Rhea

johnpaulharold wrote: »

anyone having any trouble with the" 4ife" saorview box.

The what?

John mac

i gooogled it .. only found a splash screen site .. no contact details

domain: 4ife.ie
descr: Electroplus Cable & Satellite Limited

couldnt find any instruction manual.