HOW TO USE THE 555
There are many ways to use the 555. They can be used in hundreds of
different circuits to do all sorts of clever things. They can also
be used as three different types of oscillators.
(a) Astable Multivibrator - constantly oscillates
For frequencies above 1 cycle per
second, it is called an oscillator (multivibrator or square wave
oscillator).
For frequencies below 1 cycle per second it is called a TIMER or
DELAY.
(b) Monostable - changes state only once per trigger pulse -
also called a ONE SHOT
(c) Voltage Controlled Oscillator
- called a VCO.
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