How do I simulate a transformer?

Open this page and use the live Sensor Signal Chain tool below — set your inputs and the simulation runs instantly in your browser using real numerics. No install, no account needed.

Yes. The simulation runs free in your browser. A one-time unlock or a Pro plan adds advanced parameters, saved presets, data import, and clean exports.

Can I use my own numbers?

Absolutely — every input is adjustable, and with data import you can drive a transformer from your own measurements.

Use case · powered by Sensor Signal Chain

Sensor Signal Chain for a transformer

Simulate a transformer live in your browser. This runs the real Sensor Signal Chain solver — adjust the inputs, watch it respond instantly, and export the result. No install, no account.

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Op Amp

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Op-Amp CircuitsLive

ideal amplifier configurations

Controls

Presets

Input R1 (kΩ)

Feedback R2 (kΩ)

Input amplitude (V)

The op-amp is the fundamental building block of analog electronics. With negative feedback, its gain is set entirely by external resistors: an inverting amp gives −R2/R1, a non-inverting amp 1+R2/R1. An integrator uses a feedback capacitor to output the running integral of its input.

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Data Inspector

Configurationinverting

Gain-10.00×

Output-10.00 V

Statuslinear

Governing equation

A = - \frac{R _{2}}{R _{1}} = - \frac{100}{10} = - 10.00 \times

Reading this result: Inverting gain is −R2/R1 = -10.00×: the output is a scaled, flipped copy of the input, set entirely by the resistor ratio.

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Aliasing

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Sampling & AliasingLive

the Nyquist theorem

Controls

Presets

Signal frequency (Hz)

Sample rate (Hz)

To capture a signal faithfully you must sample above twice its highest frequency — the Nyquist rate. Sample too slowly and a high frequency masquerades as a lower one: aliasing. Push the signal frequency above half the sample rate and watch the reconstructed wave collapse to a false, slower tone.

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Data Inspector

Nyquist frequency10.0 Hz

Statusproperly sampled

Apparent frequency3.0 Hz

Governing equation

f_{app} = f - f_{s} round (\frac{f}{f _{s}}) = 3.0 Hz, f_{N} = \frac{f _{s}}{2} = 10.0 Hz

Reading this result: Sampling at 20 Hz puts the Nyquist limit at 10.0 Hz. The 3 Hz signal sits below that, so it is captured faithfully and reconstructs at its true frequency.

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FFT

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Fourier Transform (FFT)Live

decompose a signal into frequencies

Controls

Build a signal from a few sine tones plus noise, and the discrete Fourier transform recovers exactly which frequencies are present — the foundation of all signal processing.

Presets

Tone 1 frequency

Tone 2 frequency

Tone 3 frequency

Noise

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Data Inspector

Samples256

Peaks at4, 9

TransformDFT

Governing equation

X_{k} = n = 0 \sum N - 1 x_{n} e^{- 2 π ik n / N} (N = 256, O (N lo g N))

Reading this result: The FFT splits this 2-tone signal into bins: each input sinusoid at 4, 9 appears as a distinct spike, and with noise at 0 the baseline between them stays clean.

Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.

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About this simulation

The full Sensor Signal Chain tool models a transformer with the same numerics engineers and scientists use — running entirely client-side. Change any parameter and the result updates in real time, so you can build intuition, check a design, or teach the concept without spreadsheets or installs.

More you can do with Sensor Signal Chain

Sensor Signal Chain for an RLC circuit Sensor Signal Chain for a power supply Sensor Signal Chain for a DC motor Sensor Signal Chain for an op-amp filter Sensor Signal Chain for an antenna Sensor Signal Chain for a transmission line Sensor Signal Chain for a PCB trace Sensor Signal Chain for a battery pack

Other ways to simulate a transformer

Fourier Transform for a transformer Bode Plot for a transformer Filter Designer for a transformer PID Controller for a transformer Transmission Line for a transformer Op-Amp Circuits for a transformer

Frequently asked questions

How do I simulate a transformer?: Open this page and use the live Sensor Signal Chain tool below — set your inputs and the simulation runs instantly in your browser using real numerics. No install, no account needed.
Is it free?: Yes. The simulation runs free in your browser. A one-time unlock or a Pro plan adds advanced parameters, saved presets, data import, and clean exports.
Can I use my own numbers?: Absolutely — every input is adjustable, and with data import you can drive a transformer from your own measurements.