555 as an astable multivibrator
You can use this calculator in two ways:
- to analyze multivibrator circuit you need to fill all the fields within the top-left cell and click [Compute timings] button
- to synthesize the multivibrator circuit you need to fill all the fields within the top-right cell (chosing adequate units and parameters) and click the [Compute elements] button
NOTE: duty cycle (DC) must be > 50%!More details
here.