Ton Giesberts
About the article

Receiver for Fibre-Optic IR Extender

Receiver for Fibre-Optic IR Extender
There are various types of remote-control extenders. Many of them use an electrical or electromagnetic link to carry the signal from one room to the next. Here we use a fibre-optic cable. The advantage of this is that the thin fibre-optic cable is easier to hide than a 75-? coaxial cable, for example. An optical link also does not generate any additional radiation or broadcast interference signals to the surroundings.
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Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.

Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

Component list
R1 = 47?
R2 = 4k?7
R3 = 4?7
R4 = 8k?2
R5 = 3k?3
C1,C4 = 220µF 25V radial
C2 = 100nF ceramic
C3 = 4µF7 63V radial
D1 = high-efficiency LED
D2 = 1N4002
IC1 = SFH506-36 (Siemens)
IC2 = TOTX173 (Toshiba)
IC3 = 78L05
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