Question

Step 2: Design the Op-Amp Circuit + Rf SPDT 5V Ri V solar CL RL Rsh Rvi A0 + Cvi Using your understanding of Op-Amp circuits, design and test a circuit that will measure the current passing in the load resistor (RL). For this design, you can make the following assumptions: • The Op-amp is ideal ($V^+ = V^-$ and $I^+ = I^- = 0A$) • The load resistance (RL) is 1k Ohms • This circuit is in steady state (DC supply) so for your design you can assume both capacitors look like opens for this part of the design • To convert the load current into an input voltage for the Op-Amp, a shunt resistor (Rsh) of 5 Ohm is used • Although other values for the resistor (Rvi) and capacitor (Cvi) would work, use an Rvi of 1 kOhm and a Cvi of 1 µF.

          Step 2: Design the Op-Amp Circuit
+ 
Rf
SPDT
5V
Ri
V
solar
CL
RL
Rsh
Rvi
A0
+
Cvi
Using your understanding of Op-Amp circuits, design and test a circuit that will measure the current passing in
the load resistor (RL). For this design, you can make the following assumptions:
• The Op-amp is ideal ($V^+ = V^-$ and $I^+ = I^- = 0A$)
• The load resistance (RL) is 1k Ohms
• This circuit is in steady state (DC supply) so for your design you can assume both capacitors look like
opens for this part of the design
• To convert the load current into an input voltage for the Op-Amp, a shunt resistor (Rsh) of 5 Ohm is
used
• Although other values for the resistor (Rvi) and capacitor (Cvi) would work, use an Rvi of 1 kOhm and a
Cvi of 1 µF.

Step 2: Design the Op-Amp Circuit
+
Rf
SPDT
5V
Ri
V
solar
CL
RL
Rsh
Rvi
A0
+
Cvi
Using your understanding of Op-Amp circuits, design and test a circuit that will measure the current passing in
the load resistor (RL). For this design, you can make the following assumptions:
• The Op-amp is ideal (V^+ = V^- and I^+ = I^- = 0A)
• The load resistance (RL) is 1k Ohms
• This circuit is in steady state (DC supply) so for your design you can assume both capacitors look like
opens for this part of the design
• To convert the load current into an input voltage for the Op-Amp, a shunt resistor (Rsh) of 5 Ohm is
used
• Although other values for the resistor (Rvi) and capacitor (Cvi) would work, use an Rvi of 1 kOhm and a
Cvi of 1 µF.

Added by Douglas B.

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