need help on inverting bjt smitt trigger

[jonzi715]

Sorry for the wrong spelling guys...
Hi can anyone help me how to implement an inverting schmitt trigger circuit using BJT's? i need this as feedback to my bootstrap ramp generator.. thanks alot...

 

[rezer]

Sorry for the wrong spelling guys...
Hi can anyone help me how to implement an inverting schmitt trigger circuit using BJT's? i need this as feedback to my bootstrap ramp generator.. thanks alot...

Take a look at this site. Refer to Part II.

**broken link removed**

 

[Hero999]

Why can't you use a comparator or a Schmitt trigger IC?

 

[jonzi715]

Why can't you use a comparator or a Schmitt trigger IC?

That's becuase we need to design it in such a way... a design problem given to us in our electronics class...

 

[ericgibbs]

That's becuase we need to design it in such a way... a design problem given to us in our electronics class...

hi,
This example circuit may give you ideas on how to solve your class assignment.

Lets know what you think.