Volleynerd Knowledge Base

Video Modulation

Distribute Dish signal to multiple locations

Arie's mom has some devices from ChannelPlus that allows them to distribute the signal from any of 3 satellite dish receivers to any tv location in the house, and remotely control them.

Apparently, an IR remote receiver is at each tv, then gets sent somehow (RF? coax?) to the closet where the sat receivers are. A switch on the IR receiver tells which of the 3 receivers you want to control with these signals. Then up in the closet at the other end there are IR blasters/emitters that route to the 3 sat receivers.

Cheap Simple Video Modulator

Radio Shack UHF/Cable Modulator

Video modulator - selectable channel w/ digital display, composite input to RF output.

Other stuff

Video Modulation

Utah Satellite - seem to have good prices on 1, 2 channel modulators ($99, $150). They say "CATV input", but can't tell if they mean COAX or RCA.

Video Modulators, Splitters and Switchers

Some dude's write-up all about video modulation

also search for "remote extender" (from here, products by Terk) and "video distribution"
Maybe just use 2.4 GHz audio/video distribution system to get things to another tv wirelessly.

Some guy's post on deja:


In general:



RCA plugs = baseband video



F connectors (coax) = RF (radio frequency, in this case modulated video and

audio)



To convert from baseband video and audio to RF you use a modulator. To convert

from RF to baseband video and audio you use a demodulator. A VCRs can be used

as a demodulator.



Since you have a nice unit like the ZPR-68 you really should stick to baseband

video and audio signals.  Any time you modulate or demodulate a signal it gets

degraded.

keywords: video modulator modulation share signal satellite dish direct directv

Posted 2:48 PM | 0 comments | Permalink

Hot Topics

Archives here

Video Modulation