Inverting Amplifier (op-amp)
A classic op-amp inverting amplifier — input and feedback resistors set the gain −Rf/Rin, non-inverting input tied to ground.
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{
"nodes": [
{ "id":"vin", "type":"rounded", "label":"Vin", "x":60, "y":220, "fill":"#dbeafe" },
{ "id":"rin", "type":"resistor", "label":"Rin", "x":260, "y":220 },
{ "id":"rf", "type":"resistor", "label":"Rf", "x":500, "y":60 },
{ "id":"amp", "type":"op-amp", "label":"A", "x":500, "y":190, "fill":"#e0e7ff" },
{ "id":"gnd", "type":"ground", "label":"", "x":380, "y":360 },
{ "id":"vout", "type":"rounded", "label":"Vout", "x":760, "y":200, "fill":"#dcfce7" }
],
"edges": [
{ "id":"e1","source":"vin","target":"rin" },
{ "id":"e2","source":"rin","target":"amp","label":"−" },
{ "id":"e3","source":"amp","target":"vout" },
{ "id":"e4","source":"vout","target":"rf","label":"feedback" },
{ "id":"e5","source":"rf","target":"rin" },
{ "id":"e6","source":"gnd","target":"amp","label":"+" }
]
}