Maximum Frequency of Oscillation Calculator

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✖Saturated drift velocity is the maximum velocity a charge carrier in a semiconductor.ⓘ Saturated Drift Velocity [V_s]			+10% -10%
✖Gate Length is the measurement or extent of something from end to end.ⓘ Gate Length [L]			+10% -10%

✖Maximum frequency of oscillations is defined as the practical upper bound for useful circuit operation.ⓘ Maximum Frequency of Oscillation [F_max]

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Formula

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Maximum Frequency of Oscillation

Formula

`"F"_{""max""} = "V"_{"s"}/(2*pi*"L")`

Example

`"1.989437MHz"="5mm/s"/(2*pi*"0.4nm")`

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Maximum Frequency of Oscillation Solution

STEP 0: Pre-Calculation Summary

Formula Used

Maximum Frequency of Oscillations = Saturated Drift Velocity/(2*pi*Gate Length)
F_max = V_s/(2*pi*L)
This formula uses 1 Constants, 3 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Maximum Frequency of Oscillations - (Measured in Hertz) - Maximum frequency of oscillations is defined as the practical upper bound for useful circuit operation.
Saturated Drift Velocity - (Measured in Meter per Second) - Saturated drift velocity is the maximum velocity a charge carrier in a semiconductor.
Gate Length - (Measured in Meter) - Gate Length is the measurement or extent of something from end to end.

STEP 1: Convert Input(s) to Base Unit

Saturated Drift Velocity: 5 Millimeter per Second --> 0.005 Meter per Second (Check conversion here)
Gate Length: 0.4 Nanometer --> 4E-10 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

F_max = V_s/(2*pi*L) --> 0.005/(2*pi*4E-10)

Evaluating ... ...

F_max = 1989436.78864869

STEP 3: Convert Result to Output's Unit

1989436.78864869 Hertz -->1.98943678864869 Megahertz (Check conversion here)

FINAL ANSWER

1.98943678864869 Megahertz <-- Maximum Frequency of Oscillations

(Calculation completed in 00.000 seconds)

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Created by Sonu Kumar Keshri

National Institute of Technology, Patna (NITP), Patna

Sonu Kumar Keshri has created this Calculator and 0 more calculators!

Verified by Parminder Singh

Chandigarh University (CU), Punjab

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< 15 MESFET Calculators

Cut Off Frequency MESFET given Fmax and Resistance

Go Cut-off Frequency = (2*Maximum Frequency of Oscillations)/(sqrt(Drain Resistance/(Source Resistance+Gate Metallization Resistance+Input Resistance)))

Drain Resistance MESFET

Go Drain Resistance = ((Maximum Frequency of Oscillations^2)*4/(Cut-off Frequency)^2)*(Source Resistance+Gate Metallization Resistance+Input Resistance)

Gate metallization resistance MESFET

Go Gate Metallization Resistance = (Drain Resistance/(2*Maximum Frequency of Oscillations/Cut-off Frequency)^2)-(Source Resistance+Input Resistance)

Source Resistance MESFET

Go Source Resistance = (Drain Resistance/(2*Maximum Frequency of Oscillations/Cut-off Frequency)^2)-(Gate Metallization Resistance+Input Resistance)

Input resistance MESFET

Go Input Resistance = (Drain Resistance/(2*Maximum Frequency of Oscillations/Cut-off Frequency)^2)-(Gate Metallization Resistance+Source Resistance)

Transconductance given Drain Voltage Constant

Go Transconductance = Output Conductance*(1-sqrt((Input Voltage-Gate Voltage)/Pinch Off Voltage))

Maximum frequency of oscillations MESFET

Go Maximum Frequency of Oscillations = (Cut-off Frequency/2)*sqrt(Drain Resistance/Gate Metallization Resistance)

Maximum Frequency of Oscillation given Transconductance

Go Maximum Frequency of Oscillations = Transconductance/(pi*Gate to Source Capacitance)

Maximum Frequency of Oscillation

Go Maximum Frequency of Oscillations = Saturated Drift Velocity/(2*pi*Gate Length)

Cut Off Frequency MESFET given Transconductance and Capacitance

Go Cut-off Frequency = Transconductance/(2*pi*Gate to Source Capacitance)

Gate to source capacitance MESFET

Go Gate to Source Capacitance = Transconductance/(2*pi*Cut-off Frequency)

Transconductance MESFET

Go Transconductance = Gate to Source Capacitance/2*pi*Cut-off Frequency

Cut-off frequency MESFET

Go Cut-off Frequency = Saturated Drift Velocity/(4*pi*Gate Length)

Gate length

Go Gate Length = Saturated Drift Velocity/(4*pi*Cut-off Frequency)

Maximum Frequency of Oscillation given Cut Off Frequency

Go Maximum Frequency of Oscillations = Cut-off Frequency/2

Maximum Frequency of Oscillation Formula

Maximum Frequency of Oscillations = Saturated Drift Velocity/(2*pi*Gate Length)
F_max = V_s/(2*pi*L)

What are the assumptions for the maximum frequency of oscillation ?

This formula assumes that the MESFET is biased in its linear region of operation and that the device is small-signal. In practice, the maximum frequency of oscillation of a MESFET can vary depending on the specific device characteristics, operating conditions, and circuit configuration.

How to Calculate Maximum Frequency of Oscillation?

Maximum Frequency of Oscillation calculator uses Maximum Frequency of Oscillations = Saturated Drift Velocity/(2*pi*Gate Length) to calculate the Maximum Frequency of Oscillations, The Maximum Frequency of Oscillation formula is defined as the highest frequency at which the device can oscillate when biased in its linear region of operation. It is also known as the unity-gain frequency or the frequency at which the device's small-signal voltage gain drops to unity. Maximum Frequency of Oscillations is denoted by F_max symbol.

How to calculate Maximum Frequency of Oscillation using this online calculator? To use this online calculator for Maximum Frequency of Oscillation, enter Saturated Drift Velocity (V_s) & Gate Length (L) and hit the calculate button. Here is how the Maximum Frequency of Oscillation calculation can be explained with given input values -> 1.989437 = 0.005/(2*pi*4E-10).

FAQ

What is Maximum Frequency of Oscillation?

The Maximum Frequency of Oscillation formula is defined as the highest frequency at which the device can oscillate when biased in its linear region of operation. It is also known as the unity-gain frequency or the frequency at which the device's small-signal voltage gain drops to unity and is represented as F_max = V_s/(2*pi*L) or Maximum Frequency of Oscillations = Saturated Drift Velocity/(2*pi*Gate Length). Saturated drift velocity is the maximum velocity a charge carrier in a semiconductor & Gate Length is the measurement or extent of something from end to end.

How to calculate Maximum Frequency of Oscillation?

The Maximum Frequency of Oscillation formula is defined as the highest frequency at which the device can oscillate when biased in its linear region of operation. It is also known as the unity-gain frequency or the frequency at which the device's small-signal voltage gain drops to unity is calculated using Maximum Frequency of Oscillations = Saturated Drift Velocity/(2*pi*Gate Length). To calculate Maximum Frequency of Oscillation, you need Saturated Drift Velocity (V_s) & Gate Length (L). With our tool, you need to enter the respective value for Saturated Drift Velocity & Gate Length and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Maximum Frequency of Oscillations?

In this formula, Maximum Frequency of Oscillations uses Saturated Drift Velocity & Gate Length. We can use 3 other way(s) to calculate the same, which is/are as follows -

Maximum Frequency of Oscillations = (Cut-off Frequency/2)*sqrt(Drain Resistance/Gate Metallization Resistance)
Maximum Frequency of Oscillations = Transconductance/(pi*Gate to Source Capacitance)
Maximum Frequency of Oscillations = Cut-off Frequency/2

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