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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 is CMOS threshold voltage?
CMOS threshold voltage (Vth) is the minimum gate-to-source voltage required to create a conductive channel between the source and drain terminals in a MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor). It determines the switching behavior of the transistor, influencing its on/off states. If the gate voltage exceeds Vth, the transistor turns on, allowing current to flow; if not, it remains off. The threshold voltage is critical in defining the performance and power consumption characteristics of CMOS circuits.
How schmitt trigger and square wave generator differ in their output waveform?
Yes,schmitt trigger has upper and lower threshold voltage for the reason of noise protection while square wave generator doesn't have these properties.
What is knee voltage for GAAs?
Knee voltage, also known as threshold voltage, in Gallium Arsenide (GaAs) refers to the minimum voltage required to initiate significant current flow in a GaAs device, such as a transistor or diode. This voltage is crucial for determining the operational characteristics of GaAs-based electronic components. Typically, knee voltage in GaAs devices is lower compared to silicon counterparts, making GaAs favorable for high-frequency and high-efficiency applications.
Does reverse biasing an LED for a period of time reduce its forward biased threshold voltage?
yes
Why is the threshold voltage for nerve lower than the threshold voltage for muscle?
assignment sa physiology ceu? XD
Why is a Schmitt trigger called a regenerative comparator?
A Schmitt Trigger is a comparator, because it compares its input voltage to a "threshold" voltage, but it has _two_ threshold voltages (the upper and lower trigger voltages), and which threshold voltage is used depends on the output state. If the input voltage is higher than the upper trigger voltage, the output will be high (for a non-inverting Schmitt trigger). In this state, the input is compared to the lower threshold voltage, so the input now has to go below the lower threshold voltage before the output will go low. The threshold voltage depends on the output state, such that a high output selects the lower threshold voltage, and a low output selects the upper threshold voltage. This can be visualised as using a fixed threshold but adding a small voltage (the difference between the upper and lower threshold voltages, also called the hysteresis voltage) to the input voltage before it is compared. This small added voltage is high when the output is high, and low when the output is low. A small amount of the output voltage is effectively being added to the input voltage before it is compared to a fixed threshold. This is positive feedback, also called regenerative feedback. So a Schmitt trigger operates as a voltage comparator, and a small amount of the output is added to the input, so it uses positive or regenerative feedback.
Why is the threshold voltage for nerve lower than the threshold voltage for muscles?
The threshold voltage for nerves is lower than for muscles because nerves rely on smaller ion channels that open more easily, allowing for faster nerve conduction. In contrast, muscle cells have larger ion channels that require a higher voltage to open, resulting in a higher threshold voltage for muscle activation.
What is the threshold value of the PMOS?
The threshold voltage (V_th) of a PMOS transistor is the gate-source voltage (V_GS) at which the transistor begins to conduct. It is typically negative, meaning the gate voltage must be lower than the source voltage to create a conductive channel. The exact value of the threshold voltage can vary based on the specific technology and fabrication process, but it generally ranges from -0.5V to -2V for most PMOS devices.
What is the lowest stimulus voltage that induces active force in the skeletal muscle?
It is called the threshold voltage and is around -70 mvolts.
What is the use of variable resistor in schmitt trigger?
AnswerMy thoughts are that it is used to set the trigger point where the trigger fires. That is to say, if the voltage exceeds the reference set point, the trigger will then fire.To independently control the upper threshold and the lower threshold, some Schmitt trigger gates have 2 variable resistors: * a voltage-divider potentiometer, where the center tap selects the "average threshold"* a feedback variable resistor, which adjusts the amount of hysteresis (the difference between the upper threshold and the lower threshold).
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 is a threshold voltage in scr?
the voltage at which the current conduction occur
What is mean by thresold voltage?
the device oprates on the minimum voltage. in this voltage is called threshold voltage.
What is threshold voltage of a muscle?
1.5
What is the voltage threshold for GAAs?
1.7 volts
What was the threshold voltage in activity 1?
The threshold voltage in Activity 1 was the voltage required to trigger an action potential in the neuron, usually around -55mV. This voltage level is necessary to open voltage-gated sodium channels and initiate the depolarization phase of the action potential.
