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Temperature Triggering
At high temperature the leakage current of junction J2 increases. This leakage current is collector current of tr1 and Tr2. So rise in temperature increases leakage current which is responsible to increase IC1 and IC2 then (α1 + α2 ) tends to unity and thyristor will get tumed on.
Q. Motoring mode of rotating machines? The motoring mode has electric power input and mechanical power output. The electromagnetic torque Te drives the machine against the load
Customer Indexing: Customer indexing (CI) is a method for enumerating the total number of consumers in a utility and tagging them to their respective poles, transformers and f
determine & sketch convolution y(n) of signal X(n)=an , -3 0 , elsewhere H(n)=1 , 0 0 , elsewhere
Q. An FM station's modulator has a sensitivity k FM = 5π × 10 4 rad/s·V. A receiver uses a discriminator that has a gain constant of 10 -5 /π V·s/rad. Neglecting noise, determin
Draw the re-model for the circuit given in figure and calculate: a). The input impedance (β=100), b). The output impedance (r0 = 50 kΩ) and c). The mid-band collector-base
Consider the magnetic circuit of Figure with an air gap, while neglecting leakage flux. Correct for fringing by adding the length of the air gap l g = 0.1 mm to each of the other
The RAKE receiver exploits multipath channel characteristics and scrambling codes with good cross-correlation properties to realize a maximum ratio diversity combiner. Multipath pr
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Q. Consider a 240-V supply feeding a resistive load of 10 kW through wires having a total resistance of R = 0.02 . For the same load, let a 120-V supply be used with a total wire
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