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JanineLove
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How to teach
JanineLove   8/26/2013 5:24:30 PM
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This was a great note. Thanks for sharing Max. You are so very clever, even slipped in a compliment or two to yourself...

I read this with interest, but it begs the question. Even if we had people who "know" how to solder teach new engineers how to solder, would they be doing a service or dis-service?

Frank Eory
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Is the soldering iron obsolete?
Frank Eory   8/26/2013 5:17:01 PM
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It is a worthwhile question, especially in the RoHS era -- is the soldering iron obsolete?

Bert22306
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Re: at what point do we stop teaching everything from the beginning?
Bert22306   8/26/2013 4:26:18 PM
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Indeed. What Caleb asks.

Being a rather obsessively compulsive person, in my home projects, I much prefer socketing ICs than soldering them directly to the board. It's simple. If you solder them so the solder appears to flow smoothly, then you have to obsess about whether the insides got too hot.

This subject reminds me that some time ago now, my boss at the time had a similar sentiment to this soldering thread: "I think every engineer should know how to weld." Whaaaa??

But I did like this part: "Also, since he says such nice things about me and my writings, I think it's fair to assume that he is a very clever and discerning person."

No doubt, no doubt.

Caleb Kraft
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at what point do we stop teaching everything from the beginning?
Caleb Kraft   8/26/2013 3:18:04 PM
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I get the sentiment, a highly trained technician should be able to carry out one of the most basic tasks to their profession.


I am curious though, at what point we can stop wasting time teaching every single basic step to someone who may never ever need that again. I'm sure there are engineers out there who can tell me the flow properties of hot solder at a nanometer scale and how they intend to work with that in their board design... but also have not ever had to hand solder a resistor. I personally can play an instrument and even change its strings, but I'm no luthier.

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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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