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Transistor Amplifier Working Principle

S Bharadwaj Reddy
A linear amplifier provides amplification of a signal without any distortion so that the output signal is an exact amplified replica of the input signal. A voltage-divider biased transistor with

Summary Of Transistor Bias Circuits

S Bharadwaj Reddy
In figures below, npn transistors are shown. Supply voltage polarities are reversed for pnp transistors.  

Methods of Transistor Biasing

S Bharadwaj Reddy
In the interest of simplicity and economy, it is desirable that transistor circuit should have a single source of supply—the one in the output circuit (i.e. VCC). The following are the

Basic Transistor Amplifier Circuit Principle

S Bharadwaj Reddy
A transistor amplifies current because the collector current is equal to the base current multiplied by the current gain, b. The base current in a transistor is very small compared to the collector

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