Common Base Amplifiers
Uses the same stabilised bias scheme as CE configuration.
Uses the same stabilised bias scheme as CE configuration.
The base is grounded for a.c. signals using a large capacitor.
Signal input at the emitter (between the emitter and the common base)
Signal output at the collector (between the collector and the common base)
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MICROWAVE
Electromagnetic wave
Frequency ranging from 0.3GHz to 300GHz
Wavelength is as long as one meter to as short as one millimeter .
It can go through ionosphere
RADAR , Satellite ,Mobile communication

Principle Of Amplification
The power of the microwave is increased by transferring the energy of the excited electrons or atoms to the microwave by different methods
Types of Microwave Amplifiers
Klystron
Magnetron
Travelling wave tubes
Crossed Field Amplifiers
Maser
Klystrons
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Abstract
Most device drivers have one ulterior motive and one target to achieve - deliver the maximum using the minimum. No matter how stable or feature rich a device driver might be, if it cannot perform in terms of high throughput and low CPU utilization, it is as good as any other run of the mill driver.The objective of this topic is to use the thinking out of the box concept and expose techniques, which go beyond just good programming principles to get that extra edge which can put your next driver into the elite group of high perform ....etc

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The magnetic amplifier (colloquially known as the mag amp) is an electromagnetic device for amplifying electrical signals. The magnetic amplifier was invented early in the 20th century, and was used as an alternative to vacuum tube amplifiers where robustness and high current capacity were required. World War II Germany perfected this type of amplifier, and it was used for instance in the V-2 rocket. The magnetic amplifier has now been largely superseded by the transistor-based amplifier, except in a few safety critical, high reliability or ....etc

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Class D amplifiers present us with a revolutionary solution, which would help us eliminate loss and distortions caused due to conversion of digital signals to analog while amplifying signals before transmitting it to speakers. This inchoate piece of knowledge could prove to detrimental in improving and redefining essence of sound and take it to a different realm.

This type of amplifiers do not require the use of D-A conversion and hence reduce the costs incurred for developing state of art output technology. The digital output from sources s ....etc

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A magnetic amplifier is a device which controls the power delivered from an a.c. source by employing a controllable non linear reactive elements or circuit generally interposed in series with the load. The power required to control the reactive element or circuit is made for less than the amount of power controlled; and hence power amplification is achieved. The non-linear reactive element is a saturable reactor. When used in a combination with a set of high-grade rectifiers, it exhibits power amplification properties in the sense that small ch ....etc

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what is an amplifier used in a medical device?
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