Reading an article about the first transistorized Hi-Fi amplifier, [Netzener] got the itch to make one. But what to use for the starting point? Enter an old Radio Shack P-Box stereo amplifier kit.
The circuit below shows a 4-transistor utility amplifier suitable for a variety of projects including receivers, intercoms, microphones, telephone pick-up coils, and general audio monitoring. The ...
Sometimes I wish FETs had become practical before bipolar transistors. A FET is a lot more like a tube and amplifies voltages. Bipolar transistors amplify current and that makes them a bit harder to ...
It may not be to everyone's taste, but this brand new monobloc amplifier from McIntosh cleverly blends both vacuum tube and solid-state technology in one chassis. If you’re not a serious audiophile ...
Prior to Bell Labs’ first working transistor in 1947, which ushered in the advent of semiconductor technology and the computer age, every long-distance telephone call, radio and television broadcast, ...
The circuit was designed to create an amplifier that will supply 15 Watts to any load using discrete components. Amplifier – any device that changes, usually increases, the amplitude of a signal ...
Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. This article is more than 2 years old. The new Quad 33/303 ...
There appears to be 16 large transisitors which were mounted to the heatsink of this amplifier. It is a Planet Audio 4 channel car audio amp. From some quick Google searching, it looks like I should ...
The need for high power in the VHF, UHF, and microwave bands has led to transistors that can easily supply tens to hundreds of watts at RF frequencies to 10 GHz and beyond. Most of these devices are ...
Learn how power amplifiers work, the common types, and what to lookout for when shopping for amps. You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before ...
GaN HEAT power transistors and power amplifiers for air traffic control and radar introduced by Cree
DURHAM, N.C., 3 June 2011. Cree Inc. in Durham, N.C., is introducing the CGH31240F and CGH35240F gallium nitride (GaN) high-electron mobility transistors (HEAT) and high-power amplifier (HPA) ...
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