Vin( Design the limiting circuit of Fig. 3.51 for a negative threshold of -1.9 V and a posi- tive threshold of +2.2 V. Assume the input peak voltage is equal to 5 V, the maximum allowable current through each diode is 2 mA, and VD,on 800 mV. Diz D You Val- Vai Figure 3.51 General limiter and its characteristic. 11109 Va+V Vaan Vas Vin -Vo.on-Vaz Voul