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Q. Explain about Junction FET?
The JFET is a three-terminal, voltage-controlled current device, whereas the BJT is principally a three-terminal, current-controlled current device. The advantages associated with JFETs are much higher input resistance (on the order of 107 to 1010 ), lower noise, easier fabrication, and in some cases even the ability to handle higher currents and powers. The disadvantages, on the other hand, are slower speeds in switching circuits and smaller bandwidth for a given gain in an amplifier.
Figure shows the n-channel JFET and the p-channel JFET along with their circuit symbols. The JFET, which is a three-terminal device, consists of a single junction embedded in a semiconductor sample.When the base semiconductor forming the channel is of a n-type material, the device is known as an n-channel JFET; otherwise it is a p-channel JFET when the channel is
formed of a p-type semiconductor. The functions of source, drain, and gate are analogous to the emitter, collector, and base of the BJT. The gate provides the means to control the flow of charges between source and drain.
Q. What is RingTopology? In ring topology, all user nodes are connected with physical path acting as links of a chain and last user node is connected back to the first node. A
Q. Determine the voltages Vx using voltage division and equivalent resistor reductions for the circuits shown in Figure.
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Q Acharge of 0.1Cpasses through an electric source of 6 V from its negative to its positive terminals. Find the change in energy received by the charge. Comment onwhether the charg
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Explain the properties and application of glass. Glass: Ordinary glass is a fine insulator but is too brittle to be used for anything although scientific instrument parts, accu
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a. Explain the time division space switching b. Verify the execution complexity of 2048 channel TST switch with 16 TDM links and 128 channels. Let the time slot of space switch
It is needed to use a half-wave rectifier for a dc power supply that gives an average dc output voltage of 15 V and a maximum ±1V ripple is permitted. The rectifier feeds a load of
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