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Q: How a MOSFET can be used to amplify a time varying circuit?
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Construction of mosfet in depletion region?

To make a depletion MOSFET, the channel must be doped with carriers; this is in total opposite to an enhancement MOSFET which avoids carriers in the channel at all cost. (because the carriers in the channel become the subthreshold leakage current) Since you need to pinch the channel against the substrate to guarantee to turn off the channel completely, there must be a reverse bias between the substrate and the source terminal. As a result, the source terminal of an N type depletion MOSFET must be tied to Vdd. This is also a complete opposite to enhancement MOSFET. In order to turn off the channel quickly, the carriers in the channel of depletion MOSFET are usually planted shallowly. This is a drastically different from enhancement MOSFET that carriers must be planted deeply into source terminal in order to support a large diffuse current. The construction of depletion MOSFET thus requires far less diffusion time than enhancement MOSFET.


How do you set the time on pioneer mosfet 50w?

press and hold source then function. Clock will blinking then you can set.


Is it possible to amplify voltage and current gain at the same time?

yes


What are the differences betweeen e-mosfet and d-mosfet?

An e-mosfet is and "enhancement" mosfet. A d-mosfet is a "depletion" mosfet. These essentially show what mode the mosfet operates in when a voltage is applied to the gate. . An enhancement mode mosfet is normally non-conducting but conducts when the channel is enhanced by applying a voltage to the gate and pulling carriers into the channel. A depletion mode mosfet normally conducts but becomes more and more non-conducting as carriers are depleted or pulled out of the channel by applying a voltage. The polarity of the voltage depends on whether it is an N channel or P channel. P channel uses positively doped silicon while N channel uses negatively doped silicon. N channel fets are used wherever possible because N material conducts better than P material. There are basically two types of fet, the jfet and the mosfet. The jfet uses a single junction to control the channel hence draws some current. Bipolar transistors use two junctions. In the mosfet (Metal Oxide Semiconducting Field Effect Transistor) there is no such junction hence draw so little current for control purposes it can be regarded as zero. The gate is isolated from the channel by a very thin layer of metal oxide (usually chromium dioxide). An enhacement mode mosfet can be turned on by applying a voltage then removing the wire to the gate. The channel will then remain conducting for some time.


What are the physical significance of Maxwell's equations?

As per my knowledge,Maxwell's equations describes the relations between changing electric and magnetic fields. That means time varying electric field can be produced by time varying magnetic field and time varying magnetic field can be produced by time varying electric field.


What is the unit of a impidance?

Impedance is expressed in units of 'ohms'.In a DC situation, impedance is simply the scalar resistance.In a circuit where voltage/current have time-varying components,impedance is a complex quantity, with both magnitude and angle.


What are the rt pcr?

Real time PCR is uded to amplify and simultaneously quantify a targeted DNA molecule.


What is a K555 time circuit?

A 555 time circuit is a circuit chip that can be used for a variety of applications. some include: clocks, time delays, countdown timers, and other time-circuits.


What is a timing circuit?

A 555 time circuit is a circuit chip that can be used for a variety of applications. some include: clocks, time delays, countdown timers, and other time-circuits.


How many minutes are in a concert?

It depends on the people running the concert.


Disadvantages for using DRAM for the main memory?

Disadvantages of DRAM Dram having have access time compared to SRAM. It needs extra circuit to refresh the cell which refreshes the Dram thousand times per second. So it requires more power.


Data transfer will be faster in circuit switching or packet switching?

Data transfer will be faster in packet switching providing the setup time in circuit switching is greater than the time required to send a packet. If not, that is setup time in circuit switching takes less time, then circuit switching is quicker.