# 555 timer math

The 555 timer shown above is configured as an astable circuit. This means that the output voltage is a periodic pulse that alternates between the VCC value

## 555 Timer Astable Circuit

If you've been following along with the 555 timer series, this video describes how to derive the formula that describes the timing of the circuit.

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## 555page

This DI presents a 555 multivibrator circuit that relies on an inductor instead of the usual capacitor to set the timing characteristics of

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## 555 Timer Astable Circuit Calculator

The 555 timer is an integrated circuit capable of operating either as an oscillator (astable mode) The Math: Given Ra, Rb, and C, find Frequency, etc.

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## 555 Timer Math

With hard work, difficult material can be grasped. Step by step, incrementally, the novice can become the master. - Joshua Waitzkin.

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## Inductor

In this 555 timer Astable calculator, enter the values of timing capacitor C and timing resistors R1 & R2 to calculate the frequency, period and duty cycle.