I want create a pulse in simulink

I want create a pulse with constant frequency (fs) and variable duty cycle (u) in simulink , how can I do it?

[Azzi Abdelmalek]

You said variable duty cycle , but how variable?

[javad]

It's output of another function Is it important? I want to design a block that has u as input and produce a pulse with u as duty cycle and has a constant ferquency

[Azzi Abdelmalek]

is u constant? if not how u vary?

Answer 1

[Azzi Abdelmalek]