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Author Topic: What is this? (key fob)  (Read 4805 times)

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TheBoy

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Re: What is this? (key fob)
« Reply #15 on: 14 February 2009, 19:44:16 »
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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? :'(

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.
Oh, believe me, I know loads of people who's job has been programming for more than 10yrs, but I wouldn't call them a 'programmer' (sorry, they are called developers now I believe)
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philhoward

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Re: What is this? (key fob)
« Reply #16 on: 15 February 2009, 12:58:23 »
Looks like a decoupling cap to me as well - by the looks of the spiral track below it (and assuming the PTH it connects to goes to the cap in question) then it may well be for tuning the range/SNR of the receiver circuit?

BEng in Electrical/Electronic Engineering, 3 years PCB design, 3 years electrical/electronic service on AC & DC drives - now industrial control software engineer before you ask my credentials..
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Tonybazza

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Re: What is this? (key fob)
« Reply #17 on: 18 February 2009, 00:30:00 »
I got a badge for camping when i was in the cubs lol  :)
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Martin_1962

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Re: What is this? (key fob)
« Reply #18 on: 18 February 2009, 21:42:32 »
THe owner PMed to let me know it works :o
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Marks DTM Calib

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Re: What is this? (key fob)
« Reply #19 on: 19 February 2009, 07:32:27 »
Which is no surprise as its a decoupling cap......obvious as one end is connected to the star 0V battery connection and the other end is in parralel with what looks to be a tant
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Martin_1962

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Re: What is this? (key fob)
« Reply #20 on: 19 February 2009, 10:09:58 »
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Which is no surprise as its a decoupling cap......obvious as one end is connected to the star 0V battery connection and the other end is in parralel with what looks to be a tant


If you understand RF circuitry as well as you!
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