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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. Explain Crystal Oscillator The frequency of a crystal-controlled oscillator is held constant to a high degree of accuracy by the use of a quartz crystal. The frequency depen
Q. Assuming the diode to obey I = IS (e V/0.026 -1), calculate the ratio V/I for an ideal diode with I S = 10 -13 A for the applied voltages of -2,-0.5, 0.3, 0.5, 0.7, 1.0, and
please i need to prepare thesis proposal based on the title above. analysis of recently exixting algorithm and propose an improved one. UGENTLY!!
Q. Consider the circuit configuration shown in Figure. Let V i = 1V, R 1 = 1000, R 2 = 2000, and A = 3. (a) Compute i 2 . (b) If R 1 changed to 500 , recompute i 2 .
principle of resistive feedback circuit change when the square wave and triangular pulse frequencies, the amplitude of the triangle wave
Define super scalar architecture. Super scalar architecture: The Pentium microprocessor is organized along with three execution units. Individual executes floating-point inst
Speed control of DC Motor The DC motor are versatile motors among the available electrical motors due to their superior characteristics. These motors give a smooth sp
1. Work out the voltage for the following arrangement of 1.5V cells : (to achieve a pass grade, solve problems with cells in series, parallel and series-parallel) 2.
What is the function of mode set register in 8257? The mode set register is used for programming the 8257 as per the needs of the system. The function of the mode set register
Program counter holds the address of also the first byte of the next instruction to be fetched for implementation or the address of the next byte of a multi byte instruction, which
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