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circuit_design:3_opamp_basic_circuits_i [2023/07/16 15:48]
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circuit_design:3_opamp_basic_circuits_i [2023/09/19 22:16] (aktuell)
mexleadmin |
| ====== 3. Basic circuits of operational amplifiers I ====== | ====== 3 Basic circuits of operational amplifiers I ====== |
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| <callout>. | <callout>. |
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| The following diagram shows again the interactive simulation. | The following diagram shows again the interactive simulation. \\ |
| | $R_{\rm 1}$ and $R_{\rm 2}$ can be manipulated by the sliders. Hit ''Run / STOP'' to run |
| <WRAP>{{url>https://www.falstad.com/circuit/circuitjs.html?running=false&ctz=CQAgzCAMB0l5BOJyWoVaAmTkDseBGADgIFYA2Sc-AFnJFNJAMgddIFMBaAggKBy4QRVpgrNMREGPo0QAVQD6AeQF4QPStNyYNBXPUw6QcpQEk1QruTmYarLjSl3WpxRYBKerUd08Eur5QJibswTBUCCRg+nC4CLi4MVIwpHwATtJ20vZZcmCQcqwscHwA5nnghZVgOOF89hBc2PnkUjwEujROwQSKNIqQigAeJJCdiiyD0H1DmIqY0KSDk4pg05BiK-IAOgDOFo3M3eBt2l09rEMDQ6MFExFws7BPK-OLy0ND649wW0O7PaqQSVFzMAI5VwKFR8ABGGjBLT0dRiTEgfGGCLA6DAYCsBBOYFycmIIDMADsAA4AVwALvsAMoASzK5IAhgAbOHHITYdCYajgMD0dGYggFcDiMT5UjoElSAAyAHs2QATfZK8n7ZR0mm0vgAd2CQU05yg5W8ZtNBSK5qNImk4gdOBSGWEokgKWknuN8HRmVEuWstlyxT9ht9XrB6LZxqdoidzCYPCYJT9GD9SBIASM5FxVEwtV6fvRR0cUmFUgd3S9xH6K1GLAI5EmXxe4zeGyeaB7WZWdZ+7c2n0UgIA0vwQR72s3wV0QBO+EA noborder}} </WRAP> | |
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| | <WRAP>{{url>https://www.falstad.com/circuit/circuitjs.html?running=false&ctz=CQAgzCAMB0l5BOJyWoVaAmTkDseBGADgIFYA2Sc-AFnJFNJAMgddIFMBaAggKBy4QRVpgrNMREGPo0QAVQD6AeQF4QPStNyYNBXPUw6QcpQEk1QruTmYarLjSl3WpxRYBKerUd08Eur5QJibswTBUCCRg+nC4CLi4MVIwpHwATtJ20vZZcmCQcqwscHwA5nnghZVgOOF89hBc2PnkUjwEujROwQSKNIqQigAeJJCdiiyD0H08ipjz0KSDk4pg05BiK-IAOgDOFo3M3eBt2l09rEMDQ6MFExFwfY-jinMLmEsrQ+svm8tDXZ7VSCSouZgBHKuBQqPgAIw04JaejqMSYkD4w0RYHQYDAVgIJzAuTkxBAZgAdgAHACuABd9gBlACWZQpAEMADbw45CbDoTDUcBgegYrEEArgcRifKkdCkqQAGQA9uyACb7ZUU-bKem0ul8ADuwSCmnOUHK3nNZoKRQtxpE0nEjpwKQywlEkBS0i9JvgGMyoly1lsuWK-qNfu94Ix7JNztEzuYTB4TBK-ow-tIgpwNhFmxoxLovX9GKOjikIqkju63uI-RWoxYBHIkyGL1mfQWHbQvaQRBW9d+sHgW0B+wA0vxQZ72i2IV0QFO+GApPoQAAxAi9H3wPQgDz8VfMehbnc4Pc8A+YPhAA noborder}} </WRAP> |
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| <WRAP column 100%> <panel type="danger" title="Notice: virtual ground"> <WRAP group><WRAP column 7%>{{fa>exclamation?32}}</WRAP><WRAP column 80%> For the ideal feedback amplifier, $U_\rm D \rightarrow 0$ holds. This means that the same voltage is always present at both inputs. if one of the two voltages is fixed, for example by connecting ground potential or even by a fixed voltage source, this property is called **virtual ground**. </WRAP></WRAP></panel> </WRAP> ~~PAGEBREAK~~ ~~CLEARFIX~~ | <WRAP column 100%> <panel type="danger" title="Notice: virtual ground"> <WRAP group><WRAP column 7%>{{fa>exclamation?32}}</WRAP><WRAP column 80%> For the ideal feedback amplifier, $U_\rm D \rightarrow 0$ holds. This means that the same voltage is always present at both inputs. if one of the two voltages is fixed, for example by connecting ground potential or even by a fixed voltage source, this property is called **virtual ground**. </WRAP></WRAP></panel> </WRAP> ~~PAGEBREAK~~ ~~CLEARFIX~~ |
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| ~~PAGEBREAK~~ ~~CLEARFIX~~ | ~~PAGEBREAK~~ ~~CLEARFIX~~ |
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| ====== Exercises ====== | ====== Exercises ====== |