4.15 The limiter circuit of Fig. 4.5(a) is connected with V+ = 3 V and R = 100 Ω. The diode data sheet specifies a maximum reverse voltage of 10 V and maximum forward current of 50 mA. What are the maximum and minimum voltages that may be safely applied at vI?
−7 V ≤ vI ≤ 8 V