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4hv.org :: Forums :: General Science and Electronics
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Cheapest place to get fiber optics?

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Thomas W
Fri Jun 15 2012, 01:15PM Print
Thomas W Registered Member #3324 Joined: Sun Oct 17 2010, 06:57PM
Location:
Posts: 1276
hey, im trying to get some fiber optics,
8 sets of:
-sender
-reciever
-1ft of cable between them

just has to send pulses at about... 25 - 175Khz max
somthing simple to set up?

any ideas?
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Ben Solon
Fri Jun 15 2012, 01:26PM
Ben Solon Registered Member #3900 Joined: Thu May 19 2011, 08:28PM
Location:
Posts: 600
I havn't seen anything much cheaper than Industrial Fiberoptics products. they don't use a connector, just clamp onto the end of a bare cable of the right size.

if you get these, you are looking at around 30$:
Link2,fff8042b,fffc006b&chp=0
Link2,fff8042d,fffc006b&chp=0
Link2
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Thomas W
Fri Jun 15 2012, 01:52PM
Thomas W Registered Member #3324 Joined: Sun Oct 17 2010, 06:57PM
Location:
Posts: 1276
how does one cut fiberoptic?
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Ben Solon
Fri Jun 15 2012, 02:05PM
Ben Solon Registered Member #3900 Joined: Thu May 19 2011, 08:28PM
Location:
Posts: 600
there's a tool for it, but its pretty much just a razor in a press jig so that you get a 90deg cut. you may also want to polish the end, but for short distances like 1ft, you probably don't need it.
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Thomas W
Fri Jun 15 2012, 02:13PM
Thomas W Registered Member #3324 Joined: Sun Oct 17 2010, 06:57PM
Location:
Posts: 1276
ok ^^

another quick question for the same topic,
what is the program people use to make epic looking schematics like this:
Link2
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Josh Campbell
Fri Jun 15 2012, 03:10PM
Josh Campbell Registered Member #5258 Joined: Sun Jun 10 2012, 10:15PM
Location: Missouri - USA
Posts: 119
There are more "epic" software packages but here are a few:

CadSoft
ExpressPCB
gplEDA
Target 3001

The Epic:
Altium

There are many more!
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Ben Solon
Fri Jun 15 2012, 03:12PM
Ben Solon Registered Member #3900 Joined: Thu May 19 2011, 08:28PM
Location:
Posts: 600
I think it may be express pcb. I use it for bridges of inverters, power boards, etc., but eagle is so much better for complicated circuits.
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Pinky's Brain
Fri Jun 15 2012, 04:04PM
Pinky's Brain Registered Member #2901 Joined: Thu Jun 03 2010, 01:25PM
Location:
Posts: 837
You can also use toslink :

Link2
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Thomas W
Fri Jun 15 2012, 04:51PM
Thomas W Registered Member #3324 Joined: Sun Oct 17 2010, 06:57PM
Location:
Posts: 1276
wow, thats really cheap! thanks Pinky!

if anyone can beat that for pricing, id be suppised!
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Pinky's Brain
Fri Jun 15 2012, 06:41PM
Pinky's Brain Registered Member #2901 Joined: Thu Jun 03 2010, 01:25PM
Location:
Posts: 837
The only things which are kinda hard to get are short toslink cables (not a problem if you don't mind having some loops tied together with a tiewrap of course). Can't just slice a toslink cable to make it shorter (although if you don't mind bodging it a bit you can probably make something work).
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