Maximum Operating Frequency Calculator

✖MESFET Cutoff Frequency represents the frequency at which the transistor's current gain (or transconductance) begins to decrease significantly.ⓘ MESFET Cutoff Frequency [f_co]			+10% -10%
✖Drain Resistance is the equivalent resistance seen by the drain terminal of a FET.ⓘ Drain Resistance [R_d]			+10% -10%
✖Source Resistance refers to the resistance associated with the source terminal of the transistor.ⓘ Source Resistance [R_s]			+10% -10%
✖Input Resistance refers to the resistance presented to the input terminal of the device.ⓘ Input Resistance [R_i]			+10% -10%
✖Gate Metallization Resistance is the resistance associated with the metal contact or metallization layer at the gate terminal of a MESFET.ⓘ Gate Metallization Resistance [R_g]			+10% -10%

✖Maximum Operating Frequency refers to the highest frequency at which the device can reliably operate and perform its intended functions.ⓘ Maximum Operating Frequency [f_max]

⎘ Copy

👎

Formula

LaTeX

Reset

👍

Download Microwave Semiconductor Devices Formula PDF PDF Image

Maximum Operating Frequency Solution

STEP 0: Pre-Calculation Summary

Formula Used

Maximum Operating Frequency = MESFET Cutoff Frequency/2*sqrt(Drain Resistance/(Source Resistance+Input Resistance+Gate Metallization Resistance))
f_max = f_co/2*sqrt(R_d/(R_s+R_i+R_g))
This formula uses 1 Functions, 6 Variables

Functions Used

sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)

Variables Used

Maximum Operating Frequency - (Measured in Hertz) - Maximum Operating Frequency refers to the highest frequency at which the device can reliably operate and perform its intended functions.
MESFET Cutoff Frequency - (Measured in Hertz) - MESFET Cutoff Frequency represents the frequency at which the transistor's current gain (or transconductance) begins to decrease significantly.
Drain Resistance - (Measured in Ohm) - Drain Resistance is the equivalent resistance seen by the drain terminal of a FET.
Source Resistance - (Measured in Ohm) - Source Resistance refers to the resistance associated with the source terminal of the transistor.
Input Resistance - (Measured in Ohm) - Input Resistance refers to the resistance presented to the input terminal of the device.
Gate Metallization Resistance - (Measured in Ohm) - Gate Metallization Resistance is the resistance associated with the metal contact or metallization layer at the gate terminal of a MESFET.

STEP 1: Convert Input(s) to Base Unit

MESFET Cutoff Frequency: 6252.516 Hertz --> 6252.516 Hertz No Conversion Required
Drain Resistance: 3.2 Ohm --> 3.2 Ohm No Conversion Required
Source Resistance: 5 Ohm --> 5 Ohm No Conversion Required
Input Resistance: 4 Ohm --> 4 Ohm No Conversion Required
Gate Metallization Resistance: 5.254 Ohm --> 5.254 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

f_max = f_co/2*sqrt(R_d/(R_s+R_i+R_g)) --> 6252.516/2*sqrt(3.2/(5+4+5.254))

Evaluating ... ...

f_max = 1481.26045269158

STEP 3: Convert Result to Output's Unit

1481.26045269158 Hertz --> No Conversion Required

FINAL ANSWER

1481.26045269158 ≈ 1481.26 Hertz <-- Maximum Operating Frequency

(Calculation completed in 00.020 seconds)

You are here -

Home » Engineering » Electronics » Microwave Theory » Microwave Semiconductor Devices » Transistor Amplifiers » Maximum Operating Frequency

Credits

Created by banuprakash

Dayananda Sagar College of Engineering (DSCE), Bangalore

banuprakash has created this Calculator and 50+ more calculators!

Verified by Dipanjona Mallick

Heritage Insitute of technology (HITK), Kolkata

Dipanjona Mallick has verified this Calculator and 50+ more calculators!

< Transistor Amplifiers Calculators

Maximum Operating Frequency

LaTeX Go Maximum Operating Frequency = MESFET Cutoff Frequency/2*sqrt(Drain Resistance/(Source Resistance+Input Resistance+Gate Metallization Resistance))

Transconductance in Saturation Region in MESFET

LaTeX Go Transconductance of the MESFET = Output Conductance*(1-sqrt((Input Voltage-Threshold Voltage)/Pinch-off Voltage))

MESFET Cutoff Frequency

LaTeX Go MESFET Cutoff Frequency = Transconductance of the MESFET/(2*pi*Gate Source Capacitance)

Maximum Frequency of Oscillation

LaTeX Go Maximum Frequency of Oscillation = Saturation Velocity/(2*pi*Channel Length)

Maximum Operating Frequency Formula

LaTeX Go

Maximum Operating Frequency = MESFET Cutoff Frequency/2*sqrt(Drain Resistance/(Source Resistance+Input Resistance+Gate Metallization Resistance))
f_max = f_co/2*sqrt(R_d/(R_s+R_i+R_g))

How Does Device Geometry Affect Maximum Operating Frequency?

The physical dimensions and geometry of a device, such as the gate length in a transistor, can impact the maximum operating frequency. Smaller geometries often allow for faster switching times, leading to higher maximum operating frequencies.

How to Calculate Maximum Operating Frequency?

Maximum Operating Frequency calculator uses Maximum Operating Frequency = MESFET Cutoff Frequency/2*sqrt(Drain Resistance/(Source Resistance+Input Resistance+Gate Metallization Resistance)) to calculate the Maximum Operating Frequency, The Maximum Operating Frequency formula is defined as the highest frequency at which the device can reliably operate and perform its intended functions. Maximum Operating Frequency is denoted by f_max symbol.

How to calculate Maximum Operating Frequency using this online calculator? To use this online calculator for Maximum Operating Frequency, enter MESFET Cutoff Frequency (f_co), Drain Resistance (R_d), Source Resistance (R_s), Input Resistance (R_i) & Gate Metallization Resistance (R_g) and hit the calculate button. Here is how the Maximum Operating Frequency calculation can be explained with given input values -> 1494.637 = 6252.516/2*sqrt(3.2/(5+4+5.254)).

FAQ

What is Maximum Operating Frequency?

The Maximum Operating Frequency formula is defined as the highest frequency at which the device can reliably operate and perform its intended functions and is represented as f_max = f_co/2*sqrt(R_d/(R_s+R_i+R_g)) or Maximum Operating Frequency = MESFET Cutoff Frequency/2*sqrt(Drain Resistance/(Source Resistance+Input Resistance+Gate Metallization Resistance)). MESFET Cutoff Frequency represents the frequency at which the transistor's current gain (or transconductance) begins to decrease significantly, Drain Resistance is the equivalent resistance seen by the drain terminal of a FET, Source Resistance refers to the resistance associated with the source terminal of the transistor, Input Resistance refers to the resistance presented to the input terminal of the device & Gate Metallization Resistance is the resistance associated with the metal contact or metallization layer at the gate terminal of a MESFET.

How to calculate Maximum Operating Frequency?

The Maximum Operating Frequency formula is defined as the highest frequency at which the device can reliably operate and perform its intended functions is calculated using Maximum Operating Frequency = MESFET Cutoff Frequency/2*sqrt(Drain Resistance/(Source Resistance+Input Resistance+Gate Metallization Resistance)). To calculate Maximum Operating Frequency, you need MESFET Cutoff Frequency (f_co), Drain Resistance (R_d), Source Resistance (R_s), Input Resistance (R_i) & Gate Metallization Resistance (R_g). With our tool, you need to enter the respective value for MESFET Cutoff Frequency, Drain Resistance, Source Resistance, Input Resistance & Gate Metallization Resistance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

Home

FREE PDFs

🔍 Search