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Q. What Are the Differences Between Enhancement And Depletion Mosfet?
Depletion MOSFET:Here a slab of p_type material is formed from a silicon base and referred to as substrate. It is the foundation upon which the device will be constructed. In some cases the substrate is internally connected to a source terminal. Many discrete devices provide an additional terminal labelles SS resulting in a four terminal device. The source and drain terminals are connected through metallic contacts to n doped regions linked by an n channel. The gate is also connected to metallic contact surface but remains insulated from the n channel by a very thin silicon dioxide layer.SiO2 is particular type of insulator referred to as dielectric that sets up opposing electric fields within the dielectric when exposed to an externally applied field.
· When gate to source voltage is set to 0,by direct connection from one terminal to another a current is established through the channel.
· When VGS has been set at negative voltage, it will tend to pressure the electrons towards the p type substrate, the drain current is reduced .
· When VGS has been set at positive voltage the positive gate will draw additional electrons from the p type substrate and hence resulting in increase in current.
3) The impedance for a 120 km, 230-kV line is given as j 0.9 ohm/km and j 0.6 ohm/km for self and mutual terms respectively; resistance is neglected. The mho characteristic for the
i need help for my final year project, and i will really appreciate if you can assist me as soon as possible
uses of michelson interferometer?
block diagram of digital control system and explain each block
Circuits, which provide sinusoidal waveforms, are but useful in themselves and form the basis of many other circuits, such as square and triangular waveform generators, and clocks.
Consider the RL circuit of Figure with R = 2, L = 5H, and v(t) = V = 20 V (a dc voltage source). Find the expressions for the inductor current i L (t) and the inductor voltage v L
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How DRAM's are different from SRAM's? Why DRAMs are said to employ address multiplexing? Dynamic RAM (DRAM) is fundamentally similar as SRAM, except that this retains data for
Q. Explain Digital Signal Formatting? After quantization and coding the samples of the message, a suitable waveform has to be chosen to represent the bits. This waveformcan the
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