A User Friendly App From CRUX# Frequency And Duty Cycle Calculation For Monostable Operation# Frequency And Duty Cycle Calculation For Astable Operation# Basic Circuit For Monostable, Astable, PWM, PPM & Linear Ramp# Dedicated Section For Astable Duty Cycle Calculation# Datasheet From Popular Vendor# Basic Simulation# Save Data For Later Use# Easy Link For IC Dictionary, LM317 Calculator, Lm2576/96 Calculator, SMD Rasistor Color Code Thanks & Enjoy.....