Antenna splitter?

[ted655]

http://www.rocktheboataudio.com/html/25072.html
.
Is this a good idea? Will it weaken the VHF recieve or transmit signal? Will the VHF cause noise on the AM/Fm radio?
I hate more holes & cables if I don't need them.
Thanks,

 

[Texasmark]

Re: Antenna splitter?

A splitter can carry any frequency to which it's tuned. Like in TV you have VHF off your antenna at 200 MHz and UHF at 300 MHz, sometimes you get FM off the same antenna at 88 Mhz, all of which come down a single coax from a splitter (combiner....splitter hooked up backwards) that can accommodate the bandwidth of all 3 signals.

Usually you will loose 3db of power (that's half) because the other half goes out to the split circuit.

Impedance matching is critical for optimum signal transfer so splitters are designed to make the generator/receiver think it still sees one matched load even though it now sees two.

Radio's (most all radio wave devices) have an automatic gain control circuit which is in operation on most signals except for the weakest. Unless your normal communications are from great distances, you probably won't know that your signal is half as big as it was before acquiring the splitter.....kind of like running your depth sounder at 20' when you know it's good for 300.

Try it, you can always take it out.

Mark

 

[tashasdaddy]

Re: Antenna splitter?

just buy one of these, and mount it under the console, best on opposite side of the boat from VHF antenna. i have it in 2 boats and works great. this guy is great to deal with. i've bought many things from him.

http://cgi.ebay.com/ebaymotors/Boat...ItemQQcategoryZ31278QQitemZ290095331611QQrdZ1

 

[ted655]

Re: Antenna splitter?

o The short answer seems to be that the reception/transmit is cut in 1/2. Nothing I want to do. Guess I'll get the ol drill out. Thanks,

 

[troypolla]

Re: Antenna splitter?

You may lose some sig stregnth, but that is to be expected. With every "break" or splitter in the line you lose signal.

 

[Texasmark]

Re: Antenna splitter?

The splitter is just that . It splits.

Mark.

 

[ted655]

Re: Antenna splitter?

Thanks Mark. Yeah, it makes no sence to lay out the $$ for a good antenna for distance, then cut it in 1/2 For the same $$ I can buy a pretty little Shakespear AM/FM.
Will I need to worry about proxemity in choosing a spot to mount? I don't want interferance buzzing my tunes.

 

[tashasdaddy]

Re: Antenna splitter?

i think i covered that. opposite side of boat from vhf.

 

[ted655]

Re: Antenna splitter?

oMissed it. Thanks. My son has a Siber. 2nd we've had. Great dogs