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Author Topic: What is this? (key fob)  (Read 2164 times)

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Martin_1962

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What is this? (key fob)
« on: 13 February 2009, 21:04:41 »

Inside the red circle

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TheBoy

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Re: What is this? (key fob)
« Reply #1 on: 13 February 2009, 21:24:41 »

mdtm or kevin wood will know better, but looks like cap to me
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Martin_1962

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Re: What is this? (key fob)
« Reply #2 on: 13 February 2009, 21:35:08 »

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mdtm or kevin wood will know better, but looks like cap to me


Waiting for one of those 2

Ended up using wire to replace the track and it works without the possible cap
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VXL V6

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Re: What is this? (key fob)
« Reply #3 on: 13 February 2009, 21:48:16 »

It looks the same as the one just below on what appears to be the aerial (square spiral type track) so would guess it's a cap as well - maybe used as a filter in the case of the aerial.

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Martin_1962

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Re: What is this? (key fob)
« Reply #4 on: 13 February 2009, 23:18:25 »

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It looks the same as the one just below on what appears to be the aerial (square spiral type track) so would guess it's a cap as well - maybe used as a filter in the case of the aerial.



Well it is going back without one  - I hope it works
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markey mark

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Re: What is this? (key fob)
« Reply #5 on: 13 February 2009, 23:23:44 »

it wont work without it martin its a capictor  :(
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Martin_1962

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Re: What is this? (key fob)
« Reply #6 on: 13 February 2009, 23:26:25 »

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it wont work without it martin its a capictor  :(


Why not? - it gets picked up on RF at the correct channel

I expected it not to work but was surprised it did
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markey mark

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Re: What is this? (key fob)
« Reply #7 on: 13 February 2009, 23:30:30 »

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Quote
it wont work without it martin its a capictor  :(


Why not? - it gets picked up on RF at the correct channel

I expected it not to work but was surprised it did

well its there for a reason bud ! if its missing so is a part of the cicuit  :(
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Martin_1962

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Re: What is this? (key fob)
« Reply #8 on: 13 February 2009, 23:47:01 »

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Quote
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it wont work without it martin its a capictor  :(


Why not? - it gets picked up on RF at the correct channel

I expected it not to work but was surprised it did

well its there for a reason bud ! if its missing so is a part of the cicuit  :(


Oh well if I knew its value and could get one - I'll see what happens - have emailed and PMed - said suck it and see
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Marks DTM Calib

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Re: What is this? (key fob)
« Reply #9 on: 14 February 2009, 11:39:40 »

Its a cermaic cap......looks to be a 10-100nF and probably a de-coupling cap
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Martin_1962

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Re: What is this? (key fob)
« Reply #10 on: 14 February 2009, 12:07:48 »

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Its a cermaic cap......looks to be a 10-100nF and probably a de-coupling cap

I'll check Maplins later
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Martin_1962

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Re: What is this? (key fob)
« Reply #11 on: 14 February 2009, 12:14:43 »

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Its a cermaic cap......looks to be a 10-100nF and probably a de-coupling cap


How do you learn all this electronics stuff - I'd love to learn more? :'(
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Marks DTM Calib

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Re: What is this? (key fob)
« Reply #12 on: 14 February 2009, 14:52:54 »

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Quote
Its a cermaic cap......looks to be a 10-100nF and probably a de-coupling cap


How do you learn all this electronics stuff - I'd love to learn more? :'(

5 years as a hobby, 4 years full time at Uni.....then you are ready to learn it (you dont learn the real stuff till you leave!)

11 years later.....and I can design my own stuff well!
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Martin_1962

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Re: What is this? (key fob)
« Reply #13 on: 14 February 2009, 18:00:36 »

Quote
Quote
Quote
Its a cermaic cap......looks to be a 10-100nF and probably a de-coupling cap


How do you learn all this electronics stuff - I'd love to learn more? :'(

5 years as a hobby, 4 years full time at Uni.....then you are ready to learn it (you dont learn the real stuff till you leave!)

11 years later.....and I can design my own stuff well!


I suppose like it takes a good 10 years of programming before you can call yourself one.
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Ian_D

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Re: What is this? (key fob)
« Reply #14 on: 14 February 2009, 19:44:07 »

Does look like a cap to me too, but could it also be a resistor? (Or do they normaly have numbers on them?)

You will probably find it will work without it anyways!

Bit like on computer hard drives, often diodes fail (shorted) and you can remove them and continue to use the hard drive again to recover files etc... Wouldn’t use the drive again for anything important though without resoldering another diode in place, even the I would be sceptical!

 :)
« Last Edit: 14 February 2009, 19:48:40 by Ian_D »
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