Home / Questions / Figure P842 shows a simple current to voltage converter Show that the voltage Vout is pr...
Figure P8.42 shows a simple current-to-voltage converter. Show that the voltage Vout is proportional to the current generated by the cadmium sulfide (CdS) solar cell. Also show that the transimpedance of the circuit Vout/Is is −R.
R
+
Is
avoid loading the pot and causing an erroneous signal voltage.
a. Design an op-amp circuit that will achieve the
CdS cell
–
-Vin
Vout
specifications given. Redraw the circuit shown in Figure P8.39, replacing the box (drawn with dotted lines) with your circuit. Be sure to show how the signal voltage and output voltage are connected in your circuit.
b. Determine the value of each component in your circuit. The op-amp is a μA741C.
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