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MOSFET Transconductance & Transition Frequency (fT) Calculator

Easily calculate and compute mosfet transconductance & transition frequency (ft) calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
132.63 GHz

Unity-Gain Cutoff Frequency fT

Unity-Gain Cutoff Frequency fT

132.63 GHz

Cutoff Frequency Ghz

132.6

Transconductance M S

20

Total Input Capacitance Ff

24

Drain Current Ma

2

132.63 — GHz

Calculation Breakdown

  1. Applied FormulaCalculates the small-signal transconductance gm and unity-current-gain transition cutoff frequency fT for high-frequency RF MOSFET amplifiers.g_m = \frac{2 I_D}{V_{\text{ov}}} = \mu C_{\text{ox}}\frac{W}{L}(V_{\text{GS}} - V_{\text{th}}), \quad f_T = \frac{g_m}{2\pi(C_{\text{gs}} + C_{\text{gd}})}

MOSFET gm & Cutoff Frequency fT Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.0336699133Unity-Gain Cutoff Frequency fT

What Is the MOSFET Transconductance & Transition Frequency (fT) Calculator?

This tool computes mosfet transconductance & transition frequency (ft) calculator with high precision arithmetic.

How Does the MOSFET Transconductance & Transition Frequency (fT) Calculator Work?

Calculates the small-signal transconductance gm and unity-current-gain transition cutoff frequency fT for high-frequency RF MOSFET amplifiers.

MOSFET Transconductance & Transition Frequency (fT) Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

gm=2IDVov=μCoxWL(VGS−Vth),fT=gm2π(Cgs+Cgd)g_m = \frac{2 I_D}{V_{\text{ov}}} = \mu C_{\text{ox}}\frac{W}{L}(V_{\text{GS}} - V_{\text{th}}), \quad f_T = \frac{g_m}{2\pi(C_{\text{gs}} + C_{\text{gd}})}

Calculates the small-signal transconductance gm and unity-current-gain transition cutoff frequency fT for high-frequency RF MOSFET amplifiers.

How to Use the MOSFET Transconductance & Transition Frequency (fT) Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

MOSFET Transconductance & Transition Frequency (fT) Calculator Example

Input Values:

drainCurrentMa:2
overdriveVoltageV:0.2
cgsFf:18
cgdFf:6
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required GHz.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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