Adder using opamp741

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DhineshNDAS

New Member

• Mar 5, 2011

• #1

Hai, everybody... I am working with opamp741.. I just need to come up with an adder using this 741, But i have only positive supply... Can any one help me to design the adder using 741 with single power supplly...?

 

Nigel Goodwin

Super Moderator

Most Helpful Member

• Mar 5, 2011

• #2

You need to be far less vague about what you're trying to do.

 

Boncuk

New Member

• Mar 5, 2011

• #3

Nigel Goodwin said:

You need to be far less vague about what you're trying to do.

Click to expand...

I guess he's talking about a summing amplifier.

 

audioguru

Well-Known Member

Most Helpful Member

• Mar 5, 2011

• #4

Since he has only a positive supply then he doesn't know that any opamp works with one supply if its input is biased at half the supply voltage and coupling capacitors are used.