my orcad capture is giving me a stupid error message on a very simple circuit diagram containing only one op-amp.the file in word ritch text is attatched below.
this contain scematic diagram and error message.
that is because you didn't make R1,R2 and U1 connecting properly by wire.
suggest you moving them away each others and re-connecting exactly at pin point.
that is because you didn't make R1,R2 and U1 connecting properly by wire.
suggest you moving them away each others and re-connecting exactly at pin point.
ok i did this but the green disc and warning was still with u1.
how ever the simulation ran and did't produce accurate result.it produced output less than input
that is because the U1 you chose was not a pspice model, it is just a symbol for schemadic drawing. you should choose pspice model in \capture\library\pspice
that is because the U1 you chose was not a pspice model, it is just a symbol for schemadic drawing. you should choose pspice model in \capture\library\pspice
From my point of view, the simulation is correct, I guess your question was wondering the 4.1 mVDC product at output, it was due to one of OPA's characteristic, input offset voltage.