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Consider a forward-biased diode with a load resistance. Let the static volt-ampere characteristic of the diode be given by Equations, and typically represented by Figure.
(a) For a dc bias voltage VB, obtain the load-line equation and the operating (quiescent) point (IQ,VQ) by graphical analysis. Extend the graphical analysis for different values of (i) load resistance, and (ii) supply voltage.
(b) If, in addition to the constant potential VB, an alternating or time-varying potential vS(t) = √2 VSsin ωt is impressed across the circuit, discuss the dynamic (ac) characteristics of the diode in terms of (i) small-signal current and voltage waveforms, and (ii) large-signal current and voltage waveforms.
Q. What is the basic principle of oscillators? In an oscillating circuit, the amplitude of voltage or current oscillations decays with time owing to the dissipation of energy
What do you mean by pipelining in an 8086 processor? The computer is composed of two kinds that operate asynchronously single part called a BIU in the 8086,fetches instruction
Q. Define Transconductance? The control that the gate voltage has over the drain current is measured by the transconductance gfs and is similar to the transconductance gm of t
Explain numeric processor 8087. Numeric processor 8087 is a coprocessor which has been intended to work under the control of the processor 8086 and offer it additional numeric
Explain data addressing modes available in microprocessors? Data addressing modes available in microprocessors are given below: Direct Mode Indirect Mode Register Dire
Design a 4-bit synchronous counter that has the following sequence: 0 ?4? 9?12 ? 14 ?15 and repeat using: i) JK FF ii)D FF
D flipflop
1. A self excited shunt generator supplies a load of 12.5 kw at 125 volts. The field resistance is 25 ohms and the armature resistance is 0.2 ohms. The total voltage drop because o
15 cells with emf for every cell are 1.5V and internal resistance 0.3Ω is linked in parallel. Calculate the value of current flow if the external resistance, 5Ω is linked to them.
Q. What is thermal runaway. The problem of self heating arises due to dissipation of power at the collector junction. The leakage current ICBO is extremely temperature dependen
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