Mathcad Professional 14.0pcunninghamParametric Technology Corporationpcunningham2C82249FE-5117-4BDA-B825-D3AAF3519213A950BCE0-7DA3-4A53-8AAA-D6FAD4E3E8EE00000000-0000-0000-0000-00000000000000000000-0000-0000-0000-000000000000
The 555 Timer Equations
The Astable Configuration
with fully adjustable Duty Cycle
Kohm
Kohm
Microfarad
KiloHertz, KHz
to express as % we multiply by 100
%
Note the frequency will not change with changes in duty cycle.To change frequency change the cap.