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Home Entertainment:

Connect two TV antennas into one IDTV

By Philip Wong
30/09/2009



 


IDTV offers digital broadcast of up to HD quality with electronic program guide.


HDTVs with Integrated Digital TV (IDTV) function are capable of receiving regular and digital TV programs out-of-the-box. But to receive the latter, you'll need a separate aerial feed that is piped through an external terrestrial/satellite antenna or supplied by your local cable provider. This means two separate cables are needed, one for analog TV broadcasts and another for digital, to connect to the panel.


You'll need to connect two antenna outputs to a single TV input.


However, most IDTV entries are shipped with only a single TV aerial input that can accept only one signal. Unless your local TV channels are available in simulcast format, you'll end up having to manually switch cables to enjoy both analog and digital programs. In Singapore, for example, there're still some stations such as Channel U and Suria available only in analog broadcast.


Two-way RF splitter (left) and F-type adapter (right).


Here's a simple and affordable solution. What you'll need is a two-way RF splitter which costs S$10 to S$30 in most hardware stores. Connect the analog and digital aerials to the outputs of the splitter, while its corresponding input goes to the TV via an additional coaxial cable. You may need an F-type adapter to mate with the RF splitter's threaded socket if your antenna output comes with a RCA-style plug (refer to image).


An overview of the connections.


Based on our internal testing, there seems to be negligible signal degradation that affects the picture and reception quality.

Tags: cable company, TV, Adapter, cable, HDTV
 

 
 

    Talkback
konstrain says...
sadly, this method doesn't work.

 
 
PhilipWong says...
Care to elaborate? It works for our Lab though.

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konstrain says...
well, i used the same method as mentioned, an RF splitter with the F-type adaptor.

analog signal doesn't project on the screen properly with lines running across while on digital, no signal can be found.

 
 
PhilipWong says...
Have you tried another splitter? You might like to try this one instead.

www.arrisistore.com...

Just make sure your splitter can support up to 1GHz. Good luck.

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phonatic says...
Hi Philip,
I have a free Draco HD set-top box (given by Mediacorp during their HDTV test a few years ago). And I recently bought the Samsung LED TV (7000 series) with IPTV.
I tried connecting the Draco flat panel antenna to my Samsung but am not able to get any signal. I need to go thru the set-top box.
Do I need to get a different digital TV antenna to connect directly to my Samsung?

 
 
PhilipWong says...
How's the reception signal strength from the Draco settop box? If it's quite low and you're experiencing lots of pixelation or microblocking, you might need to explore alternate spot to install your antenna or invest in one with built-in booster. Good luck.

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