You are given a 12-bit signed unsigned A/D with reference voltages tied to 3.3V and GND. If 2.75V is input to the A/D what is the expected digital output? What is the smallest value that can be measured? Repeat #1 above assuming a signed 12-bit A/D. What is the smallest voltage that car be measured for the A/D in #2 and the A/D in this question? What is the smallest value that can be measured? What is the difference between the ADC in #1 and #2? What is the trade-off?

Which circuit would cause this output signal given this input signal? Input signal Vi Output signal Vo time time R y ww A. В. R2 C. D.

Figure below shows a 4-input OR gate built using a chain of gates. Determine the activity factors at each node in the circuit assuming the input probabilities PA= PB = Pc = PD=0.5. C D an am P = am Domz an am ng a

cuicuit designed in winknown isubuenit, va resistance R = 2.8K2 and two identical silicon BITS T1 and 12 with 72 and T2 with forward gains BF = 200. The supply voltage Vcc =-25 volts Vcc=25 volts Sub-circuit JICA T2 IB₁1 IB12 VIR R = 28K2 VIC, 2 GIND IB, 1 and Ic, s designate the base and collector current of T2 vespectively where as the courrents IB,₁2 and IG2 designate the base and the collector currents of T2 respectively. T2 and 12 operate in forward active mode Assume that IB, 1 and IB₁2 are equal · VBE, on = 0.8 molt (Threshold woltage) (a) What is the value of the current IR through vesistance R.? (MA) (b) what is the value of the base vaurrent IB, 1? (MA) (c) what is the value of the collector Ic₁₁? (MA) (d) The evicuit idesigned using Resistance Rand Transistors T₁ and To performs an electronic function to connect to sub circut which function is it?