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Thermal noise
This is the most significant noise in an ampli?er. It is produced by random movements of electrons in the resistors. This is caused by the ?uctuations in the voltages and hence the current through the resistors. It is also known as Johnson noise.
Q. What are the basic operations of MOSFET? The gate to source voltage is set to zero volts by the direct connection from one terminal to the other,and a voltage Vds is applie
Q. Compare MOSFET with JFET? a. In enhancement and depletion types of MOSFET,the transverse electric field induced across an insulating layer deposited on the semiconductor ma
Name the materials used in case of Fuses . Also give reasons. Fuses : For rewirable fuses, copper-tin and lead-tin alloy is used. For HRC and cartridge fuses silve
Both GSM and DECT use GMSK, but with different Gaussian filters (BGT = 0.3 in GSM, BGT = 0.5 in DECT). What are the advantages of having a larger bandwidth time product? Why is the
Q. Explain Generating mode of rotating machines? The generating mode has mechanical power input and electric power output. The torque T applied externally to the shaft drives t
LHLD Load HL Pair Direct Instruction This instruction is used to copy the content of memory location specified by opened in register L and copy the content of next m
Q. Digital watches display time by turning on a certain combination of the seven-segment display device. (a) Show a typical seven-segment display. (b) Develop a truth table f
Give some applications of constantan. Constantan is an alloy of nickel and copper. It is used in thermocouples, motor starters and precision resistors.
#question what are the types of lines used there and their application ..
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
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