How Can Op-Amps and Switches Create a Multi-Output Voltage Circuit?

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To create a multi-output voltage circuit using op-amps and switches, start by utilizing the inverting amplifier configuration to achieve the desired outputs of -1, -2, -4, -8, and -16 volts from a fixed 5V DC input. Determine the appropriate resistor values for each output level and incorporate switches to allow users to select different resistor combinations. A simulation in Multisim indicates that the initial circuit outputs 1V, with subsequent configurations multiplying the output. The main challenge lies in effectively connecting the circuits to integrate the outputs. Proper design and connection will enable the desired voltage outputs.
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helllo i am having a problem designing this circuit i should use opamps resistors and switched
i have a fixed 5v dc input i should get an outpout of -1 -2 -4 -8 -16 the user should choose which one he should use can i get some help please?
 
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gigo_gigo88 said:
helllo i am having a problem designing this circuit i should use opamps resistors and switched
i have a fixed 5v dc input i should get an outpout of -1 -2 -4 -8 -16 the user should choose which one he should use can i get some help please?

Look up the inverting amplifier configuation. Then figure out which resistor values will give you each desired output. Then figure out how to use switches to generate the different resistor combinations.
 
hii and thank you i simulated this circuit on multisim the first one on the left gives vout across the resistor 1v and the other circuit multiplies it by 2
by the problem i am having is connecting them together
 

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