Jan 4, 2004 #1 A ahmed samir Guest in infrared remote units -like tv remotes- i understand they use a modulated beam at 39KHz , is it a square wave or sine wave?? thanks
in infrared remote units -like tv remotes- i understand they use a modulated beam at 39KHz , is it a square wave or sine wave?? thanks
Jan 4, 2004 #2 H hamilton Guest A picture is worth 10,000 words. <http://www.extron.com/technology/archive.asp?id=irrf95> ahmed samir wrote: in infrared remote units -like tv remotes- i understand they use a modulated beam at 39KHz , is it a square wave or sine wave?? thanks Click to expand...
A picture is worth 10,000 words. <http://www.extron.com/technology/archive.asp?id=irrf95> ahmed samir wrote: in infrared remote units -like tv remotes- i understand they use a modulated beam at 39KHz , is it a square wave or sine wave?? thanks Click to expand...
