how to convert 5mV to 15V

[strameshkumar]

how to convert 5mV to 15V

 

[KrisBlueNZ]

You will never get a useful answer to a question as vague as that.
Exactly what are you trying to do?
Give us LOTS of information. Everything you can think of.

 

[BobK]

To convert a 5mV power source to 15V, practically impossible.

To convert a 5mV signal to a 15V signal, using a power source, not too difficult, an op amp or comparator would do the trick.

Bob

 

[mechtronics]

yes an op amp would do the trick