RA hing LB R M + LA +L 81 i Assume that vgi(t) = 12 cos(at – 30°) mV, igz(t) = 2 cos(ot – 45°)ŅA, R2 = 2 kN, 0C = 1 ms, R2 = 3 k12, R2 = 2 k12, OLA = 2 k12, oLg = 2 k12, and oM =1k12. Solve for v.(t).
In the circuit shown, v(t) = -800 cos(1000t + 130°)V i(t) = V2 cos(2000t + 45°)A Note that the sources have different frequencies. Determine the values of R and C such that va(t) = –1500 sin (20000 V R w valt) 3000Q () i(t) v(t)
9.1-1 In a baseband binary transmission, binary digits are transmitted by using A p(t) 0t<T -A p(t) 0t< Th sending 1 sending 0 The bit duration is Th second, and the pulse shape is 2t p(t) = 1 - Ть 0 tT Here data bits 0 and 1 are equally likely. The channel noise is AWGN with power spectrum N/2. (a) Find the optimum receiver filter h(t) for sampling instant tm = Th and sketch h(t) in the time domain....
1) A lossless transmission line that is 3N2 long with an impedance of 75Ω terminated by a load of 25 Ω The generator has a voltage of V,r-2sin(et) V and an internal impedance Ζ'50Ω (a) For this circuit give Vg, T, and the voltage standing wave ratio. (b) Give Vin. Inand Vo (c) Give and I (d) Give the voltage and current at the midpoint of the line (ie. P(z) and I(2) at z-3/4). (e) From the answer of (d)...
For the circuit above, vS(t) = 120 cos(20t+45°) V, R = 100 Ω, L = 5 H, C = 5 mF. Find vO(t). www. visco) 1 c+vol)
P.3 The voltage across the terminals of a circuit is: v(t) = 30+ 20 cos(1207t +45°)+10 cos(120nt - 459) V and the current entering the terminal is: i(t) = 6+4 cos(120wt +10°) - 2 cos(120ft -60°) A a) Calculate the RMS value of the voltage b) Calculate the RMS value of the current c) Calculate the average value of the power absorbed by the circuit
Given that: i(t) = 5 cos(10t) v(t) = 5 cos(10t+30o) Determine: p(t) = ? Average power = ?
1) A Hertzian dipole antenna is a short conducting wire carrying an approximately constant current over its length If such a dipole is placed along the z-axis with its midpoint at the origin, and if the current flowing through it is i(t) ż lo cosot, assume I to be sufficiently small so that the observation point is approximately equidistant to all points on the dipole; that is, assume RR then the corresponding magnetic field is described by: olk2 sin e...
vs(t) = A1 cos(1000t + B1) (a) Find the instantaneous power supplied by the power supply p = A2V3+ Az cos(2000t + B3) with –180° < B3 5 180 (b) Find the instantaneous power received by the inductor p = A4V3+ As cos(2000t + B5) with –180º < B5 S 180 vs RV3 = Given Variables: A1:10 V B1: 90 degrees R: 4 ohm C:250 uF L:2mH
Problem 11 () 2cos(5000t + 45) mA L 0.1H C 200nF R 7500 GV(t) G 0.5 V()L Is0)(T Consider the above circuit to be in steady state and determine the following: a) The average power received by each element? b) The reactive power received by each element? c) What do you notice about the kind of power that each element receives?? (Did a component receive only average/complex power or both? What kind of component it?) was