i (A) + 3+ 2- 1 + + + + + t(s) 0 1 2 3 4 5 6 7 8 Figure P8.3 Waveform for Problem 8.3.

Match the differential expression to its units. ✓rdp A V V R2 sin0d0dp R² sin0d0dqdR - ✓ de A. m² B. m3 C. m D. rad

b) Two circuits connected in series which voltage drop across at each circuit can be expressed in time TTM domain as V1 (t) =5 sin (3147) V and V2 (1) =15 sin (314t - 30°) V. Sketch the waveforms of these voltages to illustrate peak values and phase relationships. UTM 5 UTM UTM TM S UTM UTM TM 5 UTM 8 UTM

calculate theoretical time constant of the RL circuit in Figure8.2 for the given range of L (include RF GEN in your calculations). Record your values in Table 8.3.

A series RLC circuit is excited by a 100 volts 79.6 Hz source. Resistance R is 100 ohms, Inductance L is 1 H and capacitance C is 5 micro farad. Calculate the voltage across C. A. 250+1250 B.-200-1200 C. 50-150 D. -235.21235.2

Q6. Figure Q6 shows a modulated waveform v(t) in microvolts as a function of time t in nanoseconds. 25 50 75 100 125 150 175 200 225 250 50 40 40 30 30 20 20 10 10 -10 -10 -20 -20 -30 -30 -40 -40 -50 -50 250 25 50 75 100 125 150 175 200 225 time/ns Figure Q6: Modulated waveform (a) Describe the modulation scheme. (b) What are the values of the carrier frequency and the modulation frequency? (c) What is the value of the modulation index? (d) What is the transmission efficiency (ratio of modulated to total power) in this example? (e) Sketch the spectrum of this modulated waveform indicating the relative magnitudes of the various spectral components. (f) The modulating wave in this example is substituted with a square wave of 50% duty cycle and of fundamental frequency 1.0 MHz. Sketch the absolute value of the spec- trum of the modulated waveform indicating the frequencies and relative magnitudes of the sideband components. (g) Demodulation of this type of signal is usually accomplished…

Here you have a signals related subject ... Please answer this question fast and give it a simple explanation  Thank you!

11. For the unity feedback system shown in Figure P8.3, where K (3 – 9) G(s) : (s2 + 4) sketch the root locus and tell for what values of K the system is stable and unstable. [Section: 8.5]

SS Precision 3450 DELL a8ed Task #3: Remember these identities: TC = COS sin A = cos (v-s00 D -v) Convert a sine signal into a cosine signal. Let S3(t) = 5 sin(2n100t) Write s3 (t) signal in cosine form: Convert a cosine signal into a sine signal. Let S4(t) = 10 cos(2n50t) Write s,(t) signal in sine form: 直 0 F1 F2 F4 F5

Solve all parts.