Capacitively Coupled Multistage Transistor Amplifier
August 17, 2016
Two or more amplifiers can be connected in a cascaded arrangement with the output of one amplifier driving the input...
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Transistor Amplifier Working Principle
August 17, 2016
A linear amplifier provides amplification of a signal without any distortion so that the output signal is an exact amplified...
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Bridge Rectifier Working Animation
August 15, 2016
What is Rectifier? A rectifier is a device that simply converts alternating current (AC) into direct current (DC). The way...
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Different Types of Diodes
August 14, 2016
Types of Diodes: Small signal or Small current diode – These diodes assumes that the operating point is not affected...
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Summary Of Transistor Bias Circuits
August 14, 2016
In figures below, npn transistors are shown. Supply voltage polarities are reversed for pnp transistors.
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Methods of Transistor Biasing
August 14, 2016
In the interest of simplicity and economy, it is desirable that transistor circuit should have a single source of supply—the...
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Transistor Stabilisation
August 14, 2016
The collector current in a transistor changes rapidly when (i) the temperature changes, (ii) the transistor is replaced by another...
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Transistor Collector Feedback Bias
August 14, 2016
In Figure, the base resistor RB is connected to the collector rather than to VCC, as it was in the base...
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Transistor Emitter Feedback Bias
August 14, 2016
If an emitter resistor is added to the base-bias circuit, the result is emitter-feedback bias, as shown in Figure. The...
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Transistor Base Bias
August 14, 2016
This method of biasing is common in switching circuits. Figure shows a base-biased transistor. The analysis of this circuit for the...
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