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Q. Give an introductive notes about FET amplifier ?
The small signal models for the common source FET can be used for analyzing the three basic FET amplifier configurations: (i) Common source (CS), (ii) Common drain (CD) or Source-follower, and (iii) Common gate (CG). The CS amplifier which provides good amplification is most frequently used. The CD amplifier with high input impedance and near- unity voltage gain is used as a buffer amplifier and the CG amplifier is used as high frequency amplifier. The small signal current-source model for the FET in CS configuration is shown down (fig ); the voltage-source model can be derived by finding the Thevenin's equivalent for the output part.
What are Difference Equations? A continuous-time system can be described by differential equations. Likewise, a discrete-time system can be explained by difference equations. T
Q. What is the Voltage controlled resistance region? In this region the JFET can actually be employed as a variable resistor whose resistance is controlled by the applied gate
Allocative Efficiency: A neoclassical concept referring to allocation of productive resources (labour, capital, etc.) in a manner that best maximizes well-being (or 'utility') of
The circuit is altered by replacing the capacitor, C1 with an inductor of 150mH and left with the switch in position (a) for a long time. At time t=0, the switch is moved from posi
Explain ionic polarisation. Ionic Polarisation: It takes account of the fact that while some of the atoms in a molecule contain an excess positive or negative charge that of
hello... i want to design a 1 to 8 demux with 4bit inputs and output. but i dont know the architecture in gate level. please help me... in fact, i need the architecture in gate lev
Apply the rule-of-thumb dc design presented in this section for a silicon npn BJT with β = 70 when the operating Q point is defined by I CQ = 15 mA and I BQ = 0.3 mA, with a dc s
Common-collector configuration: The common-collector that is abbreviated CC transistor configuration is displayed in figure. In this type of configuration, the collector is
Q. Consider the op-amp circuit shown in Figure and obtain expressions for the open-loop voltage gain at (a) low and (b) high frequencies. Also determine relations for the 3-dB poin
what is signal analysis
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