Electrical Engineering › Section U · Sequential logic › Topic U.2
One-shots and astable multivibrators
A latch has two stable states. Give a circuit one stable state and it becomes a pulse timer; give it none and it becomes an oscillator. Together these supply the timed pulses and clock signals that sequential logic runs on.
In this topic
- Three kinds of multivibrator
- One-shots
- IC one-shots
- Schmitt triggers
- Inside the 555 timer
- The 555 as a one-shot
- Worked example: a 1.1 s pulse
- The 555 as an astable
- Worked example: a 555 clock
- Common mistakes to avoid
- Key takeaways
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