Digest for sci.electronics.repair@googlegroups.com - 3 updates in 1 topic

dplatt@coop.radagast.org (Dave Platt): Feb 11 04:20PM -0800

In article <b42f081d-6a3a-4763-b1cf-af1fcf06775a@googlegroups.com>,
>> actually described what sort of signal you are distributing to the
>> TVs. There are at least 3:
 
>why do so many questions omit the basic essential information?
 
An overly optimistic expectation about the efficiency of telepathy,
clairvoyance, and the hackability of home security cameras? :-)
micky <NONONOaddressee@rushpost.com>: Feb 11 08:03PM -0500

In sci.electronics.repair, on Tue, 11 Feb 2020 23:12:22 +0000, Adrian
 
>Hi Micky,
 
>I'm going to guess given the age, that this is RF distribution at either
>channel 3 or 4 (US),
 
Yes, you're right.
 
Sorry, Dave, eiither I forgot how many other ways there were, or I
incorrectly assumed that only your method 3, RF modulated, would involve
anything like a distribution amp.
 
>so yes you are looking at a antenna distribution amp.
 
I set this up when the PCJr as the go to computer, and I had no internet
and I don't know how I decided what to buy.
 
So later I thought there were different amps for the antenna versus the
between the VCR and the remote tvs. But I guess I jumped to the wrong
conclusion.
 
>Way back then too, the power supply would have been a transformer, and
>supplying not much current would have helped it's longevity.
 
>However, if all of your TVs are now digital, there are much better ways
 
None of them are digital. I was thinking of getting one, but I have no
room for a large screen. 22" is about all I have room for or a little
bigger. That woudl still leave 3 rooms with analog, whose signal is
provided by the DVDRhd, which has a digital tuner. (I use powermids to
control the dvdr from other rooms.)
 
>of distributing content.
 
>HDHomeRun for one.
>https://www.silicondust.com/
 
That looks pretty good. I wish I'd put ethernet in all the rooms when I
put in the coax, but I guess I could use wifi if I had a tv that could
accept that. Maybe later. I may be getting a 50-year roof so I'll have
to live her 50 more years to get my money's worth.
Adrian Caspersz <email@here.invalid>: Feb 11 11:12PM

On 11/02/2020 19:44, micky wrote:
> other brands.
 
> Am I better off with 110vac or with one that uses a 12v wall wart?
 
> TIA
 
Hi Micky,
 
I'm going to guess given the age, that this is RF distribution at either
channel 3 or 4 (US), so yes you are looking at a antenna distribution amp.
 
Way back then too, the power supply would have been a transformer, and
supplying not much current would have helped it's longevity.
 
However, if all of your TVs are now digital, there are much better ways
of distributing content.
 
HDHomeRun for one.
https://www.silicondust.com/
 
--
Adrian C
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