what is this?

[jeff262]

ok i know this has nothing to do with rc but its just as important, my satellite receiver! i wanted to stick my receiver in a drawer but the remote sensor needed to be extended so i sniped the pins off the eye and sodered some wires to itto extend it. it worked fine until one of the wires came off and i had to resoder but this time i used to much heat on the eye and it no longer works! my question is what is this IR receiver called so i can get a new one from digi-key or radio shack. it has 3 legs and looks like a transistor but with a eye on the top........any help would be great...thanks jeff

[Uitgeslapen]

Are you talking about a component like this? http://www.vishay.com/docs/82095/82095.pdf

[Gary Warner]

Post a picture of the sensor. I have many, some new, some used. If I have a match I'll PM you to get your address. I'll just drop it in the mail, no charge.

Gary
--

[vintage1]

ok i know this has nothing to do with rc but its just as important, my satellite receiver! i wanted to stick my receiver in a drawer but the remote sensor needed to be extended so i sniped the pins off the eye and sodered some wires to itto extend it. it worked fine until one of the wires came off and i had to resoder but this time i used to much heat on the eye and it no longer works! my question is what is this IR receiver called so i can get a new one from digi-key or radio shack. it has 3 legs and looks like a transistor but with a eye on the top........any help would be great...thanks jeff


Its a phototransistor: All transitsors are light sensitive, but mostly they are kept in the dark...pretty good sensors too with quite decent bandwith.

[Gary Warner]

Its a phototransistor.

No, it's a intergrated IR receiver, not simply a phototransistor. Schmitt triggered amp, buffered output and some with sync timing and internal voltage regulation. Static or heat can damage them.

Gary
--

[jeff262]

i put the stupid thing in my pocket so i could take a picture of it and as normal it isn't in there anymore...but it look just like the picture in the link Uitgeslapen posted
thanks!

[jeff262]

anyone know what frequency i might want for a direct tv satelite receiver digi-key has 50 different ones! http://dkc3.digikey.com/PDF/T052/1537.pdf
thanks jeff

[Uitgeslapen]

No idea, you might have to try them all, or analyse the signal that is send using a osciloscope, for this purpose you can even use one of those osciloscopes that use your soundcard

http://www.radetzki.info/osc251.zip

Good Luck!

[Markz]

38kHz worked for me. My receiver is a Scientific Atlanta digital cable box.
They're not that expensive anyways, so you can always buy all the frequs and check which one has the longest range - that's what I've done and I checked a couple of web sites (mainly the LIRC unix pages) to confirm it

Marc