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What is the effect on threshold voltage of a mos capacitor on increasing substrate doping concentration?
The threshold voltage will be increased (in case of an N-Mos), because the charge in the depletion region formed under the channel will be more (high density) and hence gate voltage has to overcome this charge for strong inversion.
Vt = (work function difference of gate and substrate) + 2*(substrate Fermi voltage) + (Qd/Cox)
Where, Qd = charge in Depletion region in Coulomb
Cox = Oxide capacitance
What else can I help you with?
Why substrate in nmos connected to ground and pmos connected to vdd?
In CMOS technology, the NMOS transistor's substrate is connected to ground to prevent parasitic effects and ensure proper operation, as it helps maintain a lower threshold voltage for the NMOS. Conversely, the PMOS substrate is connected to VDD to keep its threshold voltage stable and ensure that the PMOS operates correctly in the enhancement mode. This arrangement minimizes unwanted channel formation and enhances performance by reducing leakage currents in both types of transistors.
Difference between Threshold voltage and knee voltage?
the voltage at which electronic device operates is callled threshold voltageand the voltage at which device show cinduction in forward biased stste
What do you call the threshold in doorway?
The main parts of a doorway are: # Sill # Threshold # Side jambs - frame proper # Top jamb - frame proper # Casing The actual part you are wanting to name could be threshold or sill. There is a diagram of doorway construction with names of each part at the web link listed below.
High repetition resistance training Innervates high threshold motor units?
Does not innervate high threshold motor units and limits the potential for Type IIB muscle fiber hyper
What is lower threshold voltage?
the voltage above which any device starts conducting
Is Vmax a threshold of substrate concentration for initiation of an enzymatic reaction?
Oddly phased question in my opinion. Vmax is only effected by the amount of enzyme present in the reaction. Substrate concentration has zero effect on Vmax. There for I believe the answer in no. {Enzyme concentration is responsible for this}
What the threshold voltage depends on?
The threshold voltage of a device, such as a transistor, depends on its physical structure and material properties, such as channel length, channel doping concentration, oxide thickness, and gate material. It is also affected by external factors like temperature and supply voltage. In digital circuits, the threshold voltage is a critical parameter that determines the device's switching behavior.
What is taste threshold?
Taste threshold is the minimum concentration of a substance needed for a person to detect a taste. It varies depending on the individual's sensitivity to flavors and can be influenced by factors such as age, genetics, and health conditions.
The strongest muscle contractions are normally achieved by?
Increasing stimulation up to the maximal stimulus
Whenever the plasma glucose concentration exceeds the renal plasma threshold?
it shows in urine.
Why substrate in nmos connected to ground and pmos connected to vdd?
In CMOS technology, the NMOS transistor's substrate is connected to ground to prevent parasitic effects and ensure proper operation, as it helps maintain a lower threshold voltage for the NMOS. Conversely, the PMOS substrate is connected to VDD to keep its threshold voltage stable and ensure that the PMOS operates correctly in the enhancement mode. This arrangement minimizes unwanted channel formation and enhances performance by reducing leakage currents in both types of transistors.
MPF reaches its threshold concentration at the end of what stage?
The metaphase to anaphase transition stage marks the point where MPF reaches its threshold concentration, triggering mitosis to proceed to anaphase. During this transition, the activation of MPF promotes the separation of sister chromatids and the progression of cell division.
What does lactate cause?
Lactate threshold is caused when lactate production exceeds lactate clearance during exercise or increasing intensity.
What will the The two-point threshold do as the concentration of touch receptors Meissner's corpuscles increases and the skin area becomes more sensitive?
As the concentration of touch receptors Meissner's corpuscles increases and the skin area becomes more sensitive, the two-point threshold will decrease. This means that the ability to distinguish two separate points of contact will improve, making the skin more sensitive to tactile stimuli.
Why polysilicon is used as gate in mos technology?
Because of threshold voltage reduction of MOSFETs. Comparing with metals for the gate of MOSFETs, polysilicon has small work function difference with the substrate silicon of MOSFETs.
How can one determine the threshold frequency for a given material or experiment?
The threshold frequency for a material or experiment can be determined by conducting a series of experiments with different frequencies of light or radiation. By gradually increasing the frequency until the material starts to emit electrons, the threshold frequency can be identified as the minimum frequency required for this emission to occur.
How do timers work?
A resistor is connected between a voltage source and a capacitor, charging the capacitor slowly over a time. The actual time depends on the resistance value of the resistor and the capacitance value of the capacitor. Together they produce something that is described as their "time constant value". The 555 measures the capacitor voltage as it increases and compares it to a threshold to trigger things at certain time intervals, and also 555 has a circuit to discharge the capacitor and restart the charging process. By using clever circuit connections, a 555 with a resistor and capacitor can be used to generate pulses, delays, and periodic signals like pulse trains and low-speed clocks for digital circuits.
