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Monostable Multivibrator Circuit Diagram Examples

Explore a curated set of monostable multivibrator circuit diagrams covering common use cases like retriggerable pulse detection, low-power CMOS timers, adjustable one-shot generators, and switch debouncing. Each example shows component values and connections so you can adapt the design to your own project.

Standard IEEE Std 315 / ANSI Y32.2Engine schematex-circuitExport SVG · PNG · PDF
How to

How to use a circuit diagram template.

  1. 01Choose your monostable configuration

    Select a monostable multivibrator type, such as 555-based, CMOS, or retriggerable, based on your timing and power requirements.

  2. 02Set the timing components

    Pick resistor and capacitor values to define the output pulse width using the standard RC time constant formula.

  3. 03Connect trigger, reset, and output pins

    Wire the trigger input, optional reset, and output to the appropriate pins on your chosen IC or transistor arrangement.

  4. 04Add power and decoupling

    Include supply connections and bypass capacitors to ensure stable operation of the monostable circuit.

  5. 05Generate and export your diagram

    Use the diagram tool to render a clean monostable multivibrator circuit and export it as an image or editable file.

FAQ

Questions about circuit diagram templates

What is a monostable multivibrator?

A monostable multivibrator is a circuit that produces a single output pulse of a fixed duration when triggered, then returns to its stable state. It is also called a one-shot.

How do I calculate the pulse width of a 555 monostable multivibrator?

For a standard 555 monostable, the output pulse width is approximately 1.1 × R × C, where R is the timing resistor and C is the timing capacitor.

What is the difference between retriggerable and non-retriggerable monostable multivibrators?

A retriggerable monostable restarts its timing period if a new trigger arrives before the current pulse ends, extending the output. A non-retriggerable one ignores additional triggers until it has returned to the stable state.

Can I use a monostable multivibrator for switch debouncing?

Yes, monostable circuits are commonly used to debounce mechanical switches by generating a clean, fixed-duration pulse after the first contact transition, ignoring subsequent bounces.