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Basic Function of Transistors
The transistor's invention in 1948 ushered in the age of miniaturization, making large, bulky electronic devices smaller, less expensive and more efficient....
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Which Is Better: A Vacuum Tube or A Transistor?
Vacuum tubes served the same purposes as transistors until the more energy-efficient and reliable silicone devices took their place. The ENIAC computer...
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How to Repair Pocket Transistor Radios
When they first appeared in the United States in the mid-1950's, transistor radios were all the rage. No longer did one need...
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Types of Power Transistors
Types of Power Transistors. A power transistor is a solid state (with immovable parts) electronic switch and has three basic terminals: collector,...
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How to Build Your Own Transistor Radio
Transistor radios are vintage radio equipment that people used to build themselves. These were cheap to make, and fairly easy to build,...
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Facts on the Tube Radio
Simple crystal radio sets may have started the history of radio, but it was the invention of the tube radio that jumpstarted...
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Vacuum Tube Base Types
Vacuum Tube Base Types. Vacuum tubes were the first incarnation of the logic circuit line of technology, which later progressed into modern...
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The History of Transistors
The transistor is considered by many historians to be the greatest invention of the 20th century. Not only did it miniaturize many...
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DIY Transistor Radio
Do-it-yourself (DIY) transistor radios have become tools used by educators and experimenters. In the 1950s, Knight and Heath had kits that were...
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The Advantages of Using Transistors
One of the biggest advantages of using transistors is their small size. Even though vacuum tubes have continued to grow smaller over...
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How Do Transistors Work?
Transistors are based mostly on silicon cut into slices and made into semi-conductors which are then exposed to special chemicals. Discover how...
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Why Are Transistors So Important?
Much of the progress in the past 60 years has been because of the success of the transistor. Invented in the 1940s,...
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What Does a Transistor Do?
A transistor is a solid state device used to amplify a signal or serve as a switch. Transistors are referred to as...
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DIY: Low Watt Tube Amps
A DIY low power tube amplifier is somewhat of a throwback from the days of vacuum tube technology. However, a recent resurgence...
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Svetlana 6BM8 Specs
The Svetlana 6BM8 is a discontinued glass vacuum tube which is still in demand for use in guitar amplifiers.It was most recently...
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How to Turn an Old Tube Radio Into a Guitar Amp
Turning an old tube radio into a guitar amplifier can be a tricky process if the radio you are using requires total...
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What Is a Transistor Radio?
The iPod of its time, the transistor radio sparked a pocket-sized revolution in the 1950s. A technological innovation allowed manufacturers to create...
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Explanation of Transistors
As an invention that's helped shape modern society, the transistor ranks with the light bulb. First introduced in the 1940s, the transistor...
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How to Repair the Tube in a Radio
Radios that are manufactured today use digital components to create sound through speakers. Older radios, manufactured in the first half of the...
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How to Replace a 12AX7 Tube
A 12AX7 is a miniature vacuum tube (called an electronic valve in Britain) that was widely used in audio amplifiers and preamplifiers...
