New PDF release: SolderSmoke -- Global Adventures in Wireless Electronics

By Bill Meara

SolderSmoke is the tale of a mystery, after-hours existence in electronics. invoice Meara began as a regular child, from a typical American city. yet round the age of 12 he took an interest in electronics, and he hasn't ever been an identical.
To make issues worse, while he received older he turned a diplomat. His paintings has taken him to Panama, Honduras, El Salvador, the Spanish Basque kingdom, the Dominican Republic, the Azores islands of Portugal, London, and, such a lot lately, Rome. In just about all of those locations his habit to electronics triggered him to search out like-minded radio fiends, to stick up past due into the evening engaged on unusual initiatives, and to construct embarrassingly huge antennas above blameless overseas neighborhoods. SolderSmoke takes you into the basement workshops and electronics elements shops of those unique overseas, and allows you to adventure the lifetime of an expatriate geek. while you're searching for eating place or inn suggestions, glance in other places. but when you want to be aware of the place to get an RF choke re-wound in Santo Domingo, SolderSmoke is the e-book for you.
SolderSmoke isn't any traditional memoir. it's a technical memoir. every one bankruptcy includes descriptions of Bill’s struggles to appreciate (really comprehend) radio-electronic conception. Why does P=IE? Do holes relatively circulate via transistors? what's a radio wave? How does a frequency mixer produce sum and distinction frequencies? If those are the types of questions that preserve you up at evening, this e-book is for you.
ultimately, SolderSmoke is ready brotherhood. overseas, cross-border brotherhood. during the SolderSmoke podcast we now have stumbled on that each one worldwide, in international locations as various as Sudan and Switzerland, there are geeks similar to us, men with basically an analogous tale, men who took an interest in radio and electronics as youngsters, and who've caught with it ever considering. Our technical dependancy offers us anything in universal, whatever that transcends nationwide alterations. And our electronics provides us the capability to speak. United by way of a standard curiosity in radio, and drawn nearer jointly through the net, we shape an “International Brotherhood of digital Wizards.”

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Extra resources for SolderSmoke -- Global Adventures in Wireless Electronics

Sample text

So when we multiply joules/coulomb X coulomb/second, the coulombs cancel out and we are left with joules/second… which is the definition of power. Now let’s increase the amount of resistance to 2 ohms. Current through the resistor: ½ amp (1/2 coulomb per second). So Power is reduced to ½ watt. Doubling the voltage has led to a fourfold increase in the rate at which energy is used. Now let’s combine the power equation with Ohm’s Law. The rate at which the work is done (P) has increased. In other words, if you maintain a constant voltage, but increase the resistance in the circuit, the rate at which energy is expended (the power) will decrease—you are giving each coulomb the same amount of energy, but because of the higher resistance you are moving at a slower rate.

I, of course, didn’t pay enough attention to this requirement—my ground wire was woefully un-Germanic. Poor Hilmar—he really found this kind of thing painful to look at. I had to, for example, get some resistance to put in line with some voltmeters so it would run in different scales. Things like that. ” From The Pleasure of Finding Things Out – The Best Short Works of Richard P. Feynman pp 227-228 Perseus Publishing 1999 As a kid, I guess I had the same kind of “laboratory” that Feynman had, but unfortunately I didn’t make the connection between the math I was learning in school and my home experiments with batteries, light bulbs, wires and (later) radios.

You can see where we’re going with this: As far as you can go, and at the speed of light. In Maxwell’s day it was thought that just as air carries sound waves, there had to be some sort of medium carrying the electromagnetic waves. They reasoned that the earth’s motion through space should affect the speed of light arriving to us from different directions: If the earth is moving rapidly in its orbit toward an object, light moving through a fixed ether should be coming at us faster than light coming from objects in the opposite direction.

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SolderSmoke -- Global Adventures in Wireless Electronics by Bill Meara


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