English: This is a conceptual circuit of an op-amp inverting summer that is visualized by voltage bars and current loops. The op-amp is emulated by a "little man", variable voltage source VS and a xero voltage indicator.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.