Topic: Multistage Amplifier
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How to Design a Discrete Multistage Amplifier
An amplifier is an electronic circuit that is used to amplify the voltage and electric current of an input AC signal. Some amplifiers -- such as high-output audio amplifiers -- make use of two or more amplifier circuits in series; each ampl... Read More »
Source: http://www.ehow.com/how_10025076_design-discrete-multistage-ampli...
What is multistage transistor amplifier?
getting from very low power to a higher power is like climbing a ladder. a mic amp needs 60 dB gain, but one transistor by itself cannot provide that. So several transistors are used in series, each gives a small boost in power to make a ru... Read More »
Source: http://answers.yahoo.com/question/index?qid=20090217130210AA2ifnY
How to design a multistage amplifier?
This would be a great learning experience for you if you did it totally on your own. some points that may help. Gain of 1000 is high for the next stage, so I'd split it up into two stage with gain of 33 each, or even three with gain of 10 e... Read More »
Source: http://answers.yahoo.com/question/index?qid=20091220083235AA0BpZu
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Multistage Amplifier
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Yeah, that's basically it for a simple amp like this, you haven't mentioned freq responce, so anything below a few hundred kHz is assumed. You could easily do this in three or four active descrete devices, a hi-R input stage with gain, an i...
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Source: http://answers.yahoo.com/question/index?qid=20081207082036AA9JXP7
It an amplifier that has more than one stage. In one form of other, used in radios, audio preamps, audio power amps, radio transmitters, TVs, etc.
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Source: http://answers.yahoo.com/question/index?qid=20080719034441AAndmj1
An Op-Amp is an Operational Amplifier. It's a high gain amplifier with differential inputs and usually a single output., typically made as a single semi-conductor chip.The very high gain of the device is typically used in a negative feedbac...
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Source: http://answers.yahoo.com/question/index?qid=20080406011547AAe5TPb
In a cascade, or multistage, amplifier, the output of the first amplifying device (transistor) is fed as input to the second amplifying device, whose output is fed as input to the third, and so on until an adequate signal amplification has ...
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Source: http://answers.encyclopedia.com/question/multistage-amplifier-796...
The gain of a single transistor without a load is almost Rc/Re. The transistor has an internal Re that is in series with the Re in the circuit. So the max gain without an Re in the circuit is about 150. But in the multi-stage amplifier the ...
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Source: http://www.edaboard.com/thread151282.html
First stage: Common Source (high input impedance) / Middle stages: Common Emitter (good voltage and current amplification) / Last stage: Common Collector (impedance matching).
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Source: http://electrical2008.blogspot.com/2009/12/ane-lab-sample-viva.ht...
