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antedeluvian
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Re: Real men work with their ARMs (sometimes their THUMBs).
antedeluvian   11/7/2013 9:23:44 PM
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David

I was at a seminar today where I picked up a gimmick ball point pen from from Digikey which coincidentally had a pull out spring loaded scroll (about 9" x 2") with the resistor colour codes printed on it.

antedeluvian
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Re: Real men work with their ARMs (sometimes their THUMBs).
antedeluvian   11/7/2013 8:05:57 AM
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Max

Even cooler to have a digital camera running a special detection program and you just place the resistor under the lens and it says "10K 1% and it's size looks like 1/4 watt..."

Sounds like a viable iPhone/iPad/Android app. Who's up for it?

Max The Magnificent
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Re: Real men work with their ARMs (sometimes their THUMBs).
Max The Magnificent   11/7/2013 5:19:46 AM
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@Garcia: ...in Europe we are enjoying of having Max in England time zone for a while ;-)

The radience of my smile once again falls upon you :-)

Garcia-Lasheras
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Re: Real men work with their ARMs (sometimes their THUMBs).
Garcia-Lasheras   11/7/2013 4:34:58 AM
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@David: "I'm used to you posting in my morning"

I'm sorry for Australian people, but in Europe we are enjoying of having Max in England time zone for a while ;-)

Max The Magnificent
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Re: Real men work with their ARMs (sometimes their THUMBs).
Max The Magnificent   11/7/2013 4:30:05 AM
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@David: ...you're messing with my mind posting in my evening like this.

It's just one extra service I provide for free (LOL)

Max The Magnificent
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Re: Real men work with their ARMs (sometimes their THUMBs).
Max The Magnificent   11/7/2013 4:29:11 AM
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@David: I've been doing some optical fibre splicing the past few days.

I've never played with one of these, but they sound very interesting.

Max The Magnificent
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Re: Real men work with their ARMs (sometimes their THUMBs).
Max The Magnificent   11/7/2013 4:28:19 AM
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@David: Right, can you do that with your robot and Pixy camera?

I might be able to if I can catch it :-)

David Ashton
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Re: Real men work with their ARMs (sometimes their THUMBs).
David Ashton   11/7/2013 4:21:43 AM
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@Max.....Right, can you do that with your robot and Pixy camera?

I've been doing some optical fibre splicing the past few days.  THOSE machines are clever.  They align the fibres, tell you if there's any dirt on them or if they are chipped or cut at the wrong angle, then they fuse them and tell you what the splice loss is.  All while showing you what they're doing on a little LCD screen.  Awesome application of technology.

BTW you're messing with my mind posting in my evening like this.  I'm used to you posting in my morning.  but I'm glad it's you in the different time zone, not me :-)

 

Max The Magnificent
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Re: Real men work with their ARMs (sometimes their THUMBs).
Max The Magnificent   11/7/2013 4:12:21 AM
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@David: But it would be very cool to look at it and say "brown black black red brown" and the computer would say "10K 1%" back to you...

Even cooler to have a digital camera running a special detection program and you just place the resistor under the lens and it says "10K 1% and it's size looks like 1/4 watt..."

David Ashton
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Re: Real men work with their ARMs (sometimes their THUMBs).
David Ashton   11/6/2013 8:22:06 PM
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@Antedeluvian, Betajet....I have exactly that problem sometimes - sorting a bunch of resistors I have stripped off boards (yeah, I'm a sad case) and I use a DMM with one of thse tweezer probes you use for SMD components - on small resistors they work fine AND you can just drop them into the right compartment in the box I use for storing them.  Works pretty quick.

But it would be very cool to look at it and say "brown black black red brown" and the computer would say "10K 1%" back to you...

The trouble with 1% resistors is that you have to look twice to make sure you have the bands the right way round.  It's not as obvious as with 5%ers.  And the above example would be a perfectly legal value the wrong way round - - 120Ω 1%...

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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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