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Q. What is meant by Thermal Runaway? Explain with reference to a transistor.How is it avoided in circuits? The collector current of a transistor increases with increasing tempe
if a resistor present in the middle of two branches in such a way that their polarities coincide then how do we choose the polarity of that resistor
Q. With the use of a K map, simplify the following Boolean expressions and draw the logic diagram.
Find the Fourier series as far as the third harmonic, to represent the periodic function y, given by the values in the following table. x 0 o 30
Q. Analog communication systems? An analog message is a continuum of possible amplitudes at any given time, and analog signals are continuous in time and in amplitude, such as
Forward Voltage Triggering If V a is increased the collector to emitter voltages of both transistor are also increased. Hence the leakage current at J 2 increase. This
Filters 1. You need to design a lowpass filter with cutoff frequency Fc= 1MHz. a. What is the minimum filter order required for 30 dB rejection (-30 dB gain) of 10 MHz? b. What is
Explain the effect of impurity on the conductivity of a semiconductor. To form a semi-conductor conductive, a small amount of appropriate impurity is added. This is then termed
Types of High Voltage Distribution System A High Voltage Distribution System could be of the subsequent types: - Three phase Extension HT line from the primary substation a
Q. Compare RC coupled and Transformer coupling?
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