Use Blackman’s formula to fi nd Ro for the V-I converter of Fig. P7.41 for vI 5 1 V and R 5 1 kV. For the op amp assume av 5 104 V/V, ri 5 `, and ro 5 0, and for the BJT assume 0 5 100, VA 5 50 V, and...

Use Blackman’s formula to fi nd Ro for the V-I converter of Fig. P7.41 for vI 5 1 V and R 5 1 kV. For the op amp assume av 5 104 V/V, ri 5 `, and ro 5 0, and for the BJT assume 0 5 100, VA 5 50 V, and r 5 `. Hint: select the dependent source modeling the op amp for your return-ratio calculations.