Astable Multivibrator Circuit Analysis

flux

7:10

Preparing a simulation.

Simulating a circuit.

Searching for models.

Searching for models.

Considering LED measurements.

Exploring measurement methods.

Considering model comparisons.

Fetching model specifications.

Simulating with models.

Running simulations for robustness.

Setting simulation parameters.

Evaluating NMOS characteristics.

Evaluating circuit design.

Considering simulation options.

Planning simulation runs.

Exploring tool usage.

Running Simulator.

Assessing results.

Searching for results.

Evaluating data processing options.

Analyzing LED behavior and timings.

Considering simulation plotting.

Measuring timing branches.

Running Simulator.

Troubleshooting simulation measurement.

Creating voltage plots.

Generating timing diagrams.

Planning voltage and timing plots.

Organizing citations and assumptions.

Examining voltage behavior.

Analyzing capacitor behavior.

Examining cycle behavior.

Analyzing waveform behavior.

Planning the timing diagram.

Analyzing time measurements.

Preparing waveform data.

Drafting Summary Table.

Simulation complete.

Yes - here is the updated comparison table with Task 2 filled in from the real transient simulation. For switching circuits like this, the right metric is the steady-state on-time, not startup behavior

Updated simulation comparison

CircuitChangeFull cycleLeft LED on-timeRight LED on-timeResult
Task 1 / baselineTwo cross-coupled 10 µF Capacitors1.72 s0.892 s0.892 sClean, nearly symmetric
Task 2Add 100 µF Capacitor across the right LED + 470 Ω Resistor branch2.91 s1.39 s1.51 sOscillates, but asymmetric
Task 3Replace both 10 µF Capacitors with 1 µF Capacitors0.462 s0.230 s0.230 sClean, nearly symmetric
Task 3 variantOne 10 µF Capacitor and one 1 µF Capacitor0.660 s0.165 to 0.175 s0.485 sStrongly asymmetric
Task 2 takeaway
  • It does oscillate
  • The added 100 µF Capacitor makes the blink slower
  • It also makes the right LED stay on a little longer
  • So Task 2 is asymmetric but stable in simulation
If you want, I can next turn this into a submission-ready lab results table with:
  • period
  • frequency
  • duty cycle
  • visual observation
Make lab results table
Add duty cycle
Include Task 3 notes
27 days
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Documents

    Documents are markdown text files which describe project goals, capture details, or even simulation outputs.

    Assets

    flip_flop.png

    flip_flop.png

    flip_flopThumbnail

    [Example] Simulation of Astable Multivibrator Circuit

    [Example] Simulation of Astable Multivibrator Circuit thumbnail
    A simulated blinking LED circuit using an astable multivibrator a.k.a "flip-flop" as a square wave generator.

    Properties

    Properties describe core aspects of the project.

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