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lab05_en:non_inverting_op-amp_current_source [2026/04/21 08:22] – created mexleadminlab05_en:non_inverting_op-amp_current_source [2026/04/28 16:14] (current) – mexleadmin
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 == Op-Amp as current source == == Op-Amp as current source ==
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 +An Op-Amp can not only amplify voltages and currents, it can also act as a current source itself. Here is the schematic of a typical Op-Amp current source:
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 +{{drawio>lab05:Fig-250_non-inverting_op-amp_current_source.svg}}\\
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 +<imgcaption Fig-250_non-inverting_op-amp__current_source | Non-inverting Op-Amp: current source> </imgcaption>\\
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 +$U_{\rm DD}{\rm~=10~V},~U_{\rm SS}{\rm~=-10~V},~R_{\rm 1}{\rm~=100~k\Omega},~R_{\rm 2}{\rm~=10~k\Omega},~R_{\rm 3}{\rm~=100~\Omega}$\\
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 +Measure the values given in the table below.
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 +{{drawio>lab05:Table-20_non-inverting_op-amp_current_source.svg}}\\
 +<tabcaption lab05:Table-20_non-inverting_op-amp_current_source | Op-Amp as current source: measured and calculated values> </tabcaption>\\
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 +Why does the current remain constant at the output of the Op-Amp?\\
 +Give a brief explanation of the circuit's operating principle.\\
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