Three alternating currents are represented by sine wave A. B and C as shown in Figure 6 below. (a) Draw the phasor diagram for waveform A B and C. (b) Obtain the three sine wave equations to represent wavefom A, Band C. (c) State the relationship between the three waveforms in terma of leading or lagging phase. (d) Detemine the RMS value for waveform A (e) Detemine the angie(s) and time(s) when the sine wave A reaches the instantaneous voltage of 3V V(V) 10 -20/0 AS 90 180 360 Figure 6

In the figure, the parameters of both transistors Vo = 0.6 V RBB 10kohm Bdc 100 VCC 9V and T2 operating point Ic2 1mA VcE 5V Calculate the values of the resistors R1 and R2 R R

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3. Determine the bandwidth of each of the amplifiers in Figure 3. Both op-amps have an open-loop gain of 200 dB and a unity-gain bandwidth of 2 MHz. R Handwriting out 47 kN R 147 kN R Vin oW 1.0 kN out R, 3 kN Figure - 3

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VIN W -VOUT Figure 1 8) What trouble in the amplifier in Figure 1(c) could cause the voltage gain to drop to 1? A) the power is off B) Rj is open C) VOUT is grounded D) Rf is open

SAMPLING CLOCK ANALOG INPUT +V REF 1.5R R R PRIORITY ENCODER DIGITAL R OU TPUT OUTPUT AND LATCH LATCH R R 0.5R If R=5kOhms and Vref=5V, what is the voltage at the node that joins the 1.5R resistor and the top R resistor? /4

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