how to design a circuit to add to dc signal?

Status
Not open for further replies.
P

pianomania

Member level 5
Joined
Jun 15, 2006
Messages
83
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,286
Activity points
1,906
if i wanna add two dc signal , like 1.23v with 2.4v , which are generated from different block ? How to implement ? It seems that OP only amplify ac signal.
 

pianomania said:
............... It seems that OP only amplify ac signal.
Click to expand...

Opamps work from 0 Hz to an upper limit which depends on the type.
 

simple summing amplifier using opamap
 

xulfee said:
simple summing amplifier using opamap
Click to expand...

but if we need to add 2 positive voltage , we need 3 OP amp to achieve! Do we have simple solution?
 


Status
Not open for further replies.

Similar threads

Menu
Log in
Register
Cookies are required to use this site. You must accept them to continue using the site. Learn more…