variable sine wave with fixed number of periods

Hello everyone I need a small favour . how can we generate a variable sine wave in matlb/simulink. my frequency should increase about 50KHz exactly after 20 periods. and it increase upto 1MHz. thanks in advance.

Answer 1

[Vaibhav Awale]

Hello,

I think chirp signal block satisfies your requirement.

[guduguntla sai shankar]

Hello, chirp block can generate varaiable frequency by defining starting and ending frequency but we cannot get number of periods for each frequency.