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

Fully differential Amplifier class AB

Status
Not open for further replies.
H

hannover90

Member level 4
Joined
Dec 8, 2009
Messages
70
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,286
Location
Germany
Activity points
1,784
Hello all,
I designed a FDA with a common mode voltage of 0 V, but the dymamic range of both outputs are not exact symetry. For example, the dc values of vout1 and vout2 are -500 mV and +500 mV, but their values at rising/falling edge are at one point: -210mV and +201mV. Is this problem for functionality of FDA?
 

I don't think that a 10% deviation is a problem. Did you check the asymmetry at large-signal output voltage?

Somewhere there is a (tiny) asymmetry in your FDA design. Is this the result of a pre- or a post-layout simulation? Without more info and a schematic we can't tell more abut this, I think.
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top