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MOSFET Channel Length Modulation & Output Resistance Calculator

Easily calculate and compute mosfet channel length modulation & output resistance calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
25 kOhm

Small-Signal Output Resistance r_o

Small-Signal Output Resistance r_o

25 kOhm

Output Resistance K Ohms

25

Early Voltage Va

25

Intrinsic Voltage Gain V Per V

250

Intrinsic Voltage Gain Db

48

25 — kOhm

Calculation Breakdown

  1. Applied FormulaComputes the channel length modulation parameter lambda, Early voltage VA, small-signal output resistance ro, and intrinsic transistor gain A0 = gm * ro.I_D = \frac{1}{2}\mu C_{\text{ox}}\frac{W}{L}(V_{\text{GS}} - V_{\text{th}})^2 (1 + \lambda V_{\text{DS}}), \quad r_o = \frac{1}{\lambda I_D} = \frac{V_A}{I_D}

Channel Length Modulation & ro Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.06.2121925Small-Signal Output Resistance r_o

What Is the MOSFET Channel Length Modulation & Output Resistance Calculator?

This tool computes mosfet channel length modulation & output resistance calculator with high precision arithmetic.

How Does the MOSFET Channel Length Modulation & Output Resistance Calculator Work?

Computes the channel length modulation parameter lambda, Early voltage VA, small-signal output resistance ro, and intrinsic transistor gain A0 = gm * ro.

MOSFET Channel Length Modulation & Output Resistance Calculator Formula & Variables

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

ID=12μCoxWL(VGS−Vth)2(1+λVDS),ro=1λID=VAIDI_D = \frac{1}{2}\mu C_{\text{ox}}\frac{W}{L}(V_{\text{GS}} - V_{\text{th}})^2 (1 + \lambda V_{\text{DS}}), \quad r_o = \frac{1}{\lambda I_D} = \frac{V_A}{I_D}

Computes the channel length modulation parameter lambda, Early voltage VA, small-signal output resistance ro, and intrinsic transistor gain A0 = gm * ro.

How to Use the MOSFET Channel Length Modulation & Output Resistance Calculator

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

Step-by-Step Example Calculation

MOSFET Channel Length Modulation & Output Resistance Calculator Example

Input Values:

drainCurrentMa:1
lambdaCoeff:0.04
transconductanceMs:10
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required kOhm.

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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