Category: interactive media art

Macbook analog TV mirroring

How to connect a new computer to an old Television

Signal path

Connect a VGA adapter to the Macbook DVI (Thunderbolt) port.

Screen Shot 2015-03-27 at 4.59.58 PM

http://www.amazon.com/Tera-Grand-DisplayPort-Thunderbolt-Microsoft/dp/B006FKTR3U

Connect a VGA cable from the adapter to a PC-to-TV adapter. This converts VGA to video component (RCA plug) output. The sound from the Macbook can go through this adapter as well – it gets passed through to the RF modulator.

Screen Shot 2015-03-27 at 5.02.22 PM

http://www.amazon.com/gp/product/B002PXFJ2O

Connect the PC-to-TV adapter, using RCA cables, to an RF modulator.

01502526_00

http://www.radioshack.com/rf-modulator/1502526.html#.VRXF67qHRbw

Connect a coaxial cable from the modulator to an RF transformer (75 to 300 ohms)

Screen Shot 2015-03-27 at 5.10.10 PM

http://www.radioshack.com/matching-transformer/1501253.html#.VRXHHbqHRbw

Connect the 300 ohm leads of the matching transformer to the antenna input terminals of the TV.

references