Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

design op-amp in weak inversion

Status
Not open for further replies.
U

utddd

Newbie level 1
Joined
Jul 2, 2013
Messages
1
Helped
0
Reputation
0
Reaction score
0
Trophy points
1
Activity points
11
Hi all,

I'm designing an OTA in weak inversion using cadence. I found the threshold voltage of each transistors working in weak inversion are different and they are also changing with applied gate-source voltages. Does anyone know how it happens?

Thanks in advance!
 

It is very difficult to control the transistor in sub-threshold/weak inversion since the current equation is exponential and varies wildly and everything else varies too.

What topology are you trying to implement?
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top