re ir remote control receiver in article wb omc dynamo ecn purdue edu wb omc dynamo ecn purdue edu duane p mantick writes ab freenet carleton ca marc dion writes for a project of my own i would like to build a infra red remote control receiver for regular vcrs and tvs remotes does anybody have any info or tips on how to build such receiver in particular a which photo detector should i use which wavelength do remotes use b which ics or circuit should i use c any suggestions for circuit layout another suggestion find a brand of tv that uses an ir remote and go look at the sams photofact for it you can often find some very detailed schematics and parts list for not only the receiver but the transmitter as well including carrier freq specs and tone decoding specs if the system uses that probably won t help i d be willing to bet that every manufacturer used those little self contained modules i think sharp made them radio shack used to sell them for a few bucks maybe they still do the module had leads power ground and demodulated output it contained the photo detector amplifier integrator and demodulator all in a tiny metal can if you want to buy one try radio shack or else a tv repair shop can probably order one btw the carrier frequency is khz and each different tv vcr cable box stereo manufacturer uses a unique pulse scheme to perform each different function on their equipment jim ritterbusch ritterbus wcsu ctstateu edu or ne radiomail net temp rf there is an art the guide says or rather a knack to flying the knack lies in learning how to throw yourself at the ground and miss
