Consider the input stage and bias circuit of the 741 op–amp shown in Figure 13.5. The resistor R5is changed to R5 = 25kΩ, and the bias voltages are V+ = 5V and V– = -5 V. Let VBE(on) = VEB(on) = 0.6V and neglect base currents. Determine the currents IREF, IC10, IC1,and IC2.(Ans. IREF= 0.352mA, IC10 = 16/µA, IC1 = IC2 = 8µA)
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