4-39 For the circuit of Figure P4-39: (a) Find the output in terms of v₁. (b) Draw a block diagram for the circuit. Τ 15 ΚΩ 150 ΚΩ 15 ΚΩ Μ 50 ΚΩ V2 = 2 V FIGURE P4-39 150 ΚΩ VO

OBJECTIVE 4-2 OP AMP CIRCUIT ANALYSIS (SECTS. 4-3 AND 4-4) Given a linear resistance circuit containing OP AMPS, find selected output signals or input-output relationships. See Examples 4-12 to 4-20 and Exercises 4-15 to 4-31. SS 4-19 Find the voltage gain of each OP AMP circuit shown in Figure P4-19. VS 10 ΚΩ w 10 ΚΩ M 560 ΚΩ w VS (a) 560 ΚΩ (b) FIGURE P4-19 Vo VO

This circuit will shift and scale the Vin range of -12V to +12V into the ADC range of OV to 5V. Find R1 if R2=12k, R3=12k, R4=2.5k. +5Vref R4 Vin R3 +5Vref ADC R1 R2 +

--------- Q6. In the equivalent circuit shown below, calculate the indicated input resistances: 50 in 1ΚΩ Us + Μ 2ΚΩ R2 1b 144ΚΩ R1 5ΚΩ 1ο 5ΚΩ R1 = R2 = ΚΩ ΚΩ