How to do Current Noise Simulation in ADEL Comprehensive Guide

How to do current noise simulation in adel If you are designing analog circuits, you know that current noise is a crucial parameter that affects the performance of your circuit. Current noise is caused by the random motion of charge carriers in a conductor, and it can limit the sensitivity, dynamic range, and signal-to-noise ratio of your circuit. Therefore, it is important to simulate current noise in your circuit to predict its behaviour and optimise its performance.

ADEL (Advanced Design System Electronic Design Automation) is a powerful simulation tool that can help you simulate current noise in your circuit. 

What is ADEL?

ADEL is a software package developed by Keysight Technologies that provides a complete solution for electronic design automation. ADEL includes a variety of simulation tools for circuit analysis, optimization, and verification, including frequency-domain and time-domain simulation, optimization algorithms, statistical analysis, and design rule checking.

Also includes a user-friendly interface that allows you to design and analyse your circuits visually, and it supports a wide range of technologies, including RF, microwave, and high-speed digital circuits. ADEL is a popular tool among analog designers because of its accuracy, speed, and ease of use.

How to do Current Noise Simulation in ADEL?

To do current noise simulation in ADEL, you need to follow these steps:

  1. Create a new project: Open ADEL and create a new project by clicking on “File” > “New Project”. Choose the type of project you want to create (e.g., RF, analog, digital) and specify the name and location of the project.
  2. Design your circuit: Use the schematic editor in ADEL to design your circuit. Add the components you need, such as resistors, capacitors, and transistors, and connect them according to your circuit diagram.
  3. Specify the noise sources: To simulate current noise, you need to specify the noise sources in your circuit. You can add noise sources to your circuit by clicking on “Components” > “Noise” and selecting the type of noise source you want to add (e.g., white noise, flicker noise).
  4. Set up the simulation: Once you have designed your circuit and specified the noise sources, you need to set up the simulation parameters. Click on “Simulate” > “Set up Simulation” and choose the type of simulation you want to perform (e.g., AC analysis, transient analysis).
  5. Run the simulation: Click on “Simulate” > “Simulate” to run the simulation. ADEL will generate the output data for your circuit, including the current noise spectral density.
  6. Analyse the results: After the simulation is complete, you can analyse the results using the various tools in ADEL. For example, you can plot the noise spectral density as a function of frequency to see the noise behaviour of your circuit.


Q1. What is the current noise?

A1. Current noise is the random fluctuation of the electric current in a conductor, caused by the random motion of charge carriers.

Q2. Why is current noise important?

A2. Current noise can limit the sensitivity, dynamic range, and signal-to-noise ratio of analog circuits, and it can affect the performance of sensitive sensors, amplifiers, and filters.

Q3. How can I reduce current noise in my circuit?

A3. You can reduce current noise in your circuit by using low-noise components, minimising the source impedance, reducing the temperature, and shielding the circuit from external noise sources.


How to do current noise simulation in adel analog circuits is crucial for optimising their performance, and ADEL is a powerful tool that can help you achieve this. By following the step-by-step guide provided in this article, you can simulate current noise in your circuit using ADEL and analyse its behaviour using the various tools available in the software. 

Additionally, we have provided answers to some frequently asked questions about current noise, which can help you gain a better understanding of this important parameter. With ADEL, you can design high-performance analog circuits and achieve your design goals with ease.

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