VDD = VSS = 1.5 V, μpCox = 250 μA/V2, μn = 2.5⋅μp, V thn = 0.5 V, Vthp = −0.5 V, λn = λp = 0.1 V−1 is given for the circuit below. The differential amplifier biased using current mirrors will be designed to meet the following requirements: Adm = −70, IREF = 150 mA, Vov3 = Vov4 = Vov5 = Vov6 = Vov7 = 150 mV. a) Calculate the value of resistor R and the W/L values of the transistors. b) Calculate the value of CMRR