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A two-port network is driven at both ports such that the port voltages and currents have the following values (Z0 = 50 Ω)
Determine the input impedance seen at each port, and find the incident and reflected voltages at each port
Consider a PNP BJT optimum designed for low voltage high current gain. (a) Draw energy band diagram with proper labeling with VCB= -0.7V, VEB= 0.7V. Which mode is the BJT operated in (b) Plot excess minority charges stored in each region with pro..
Find the maximum torque on an orbiting charged particle if the charge is 1.60E-19C, the circular path has a radius of 0.5E-10m, the angular velocity is 4E16 RAD/S, and B=0.4E-3T.
two conducting spheres of radii R1 and R2 that have a very high conductivity are emmersed in a poorly conducting medium of conductivity and permittivity e. the distance d between the spheres is very large in comparison with the radii.
The sinusodial modulating wave m(t) = (Am)cos(2*pi*fm*t) is applied to a phase modulator with sensitivity kp. The unmodulated carrier wave has frequency fc and amplitude Ac. Determine the spectrum of the resulting phase-modulated wave
A 30hp 3 phase 360v 60 Hz induction motor has total internal losses of 2,500 watts when operating at full load. What is the motor's full load efficiency
A coaxial line 5.6m long has distributed parameters R=6.5ohm/m, L=3.4 uH/m, G=8.4 mS/m, and C=21.5 pF/m. If the line operates at 2MHz, calculate the characteristic impedance and the end-to-end propagation time delay.
Attach a capacitor of value 0.001μF in parallel with the feedback resistor of your non-inverting amplifier. At what frequency will the gain be down by 3dB. Draw and design a non-inverting amplifier with a gain of 6 V/V.
1-Explain the operation of common emitter (CE) and common base (CB) in NPN amplifier 2-Explain the operation of common collector (CC) in NPN and PNP amplifiers 3- What is the relationship between the input and the output in NPN and PNP amplifiers and..
A 100 kVA, 60 Hz, 7200-480V, single-phase transformer has the following parameters. Determine the equivelent impedance of the transformer A) referred to the high side B) referred to the low side
We have a 15-V source and a load that absorbs power and requires a current varying between 0 and 100mA. The voltage across the load must remain between 4.7 and 5.0 V for all values of load current
Sketch examples of sets of feasible power vectors. Give one example where the feasible set is non-empty and give one example where the feasible set is empty. For the case where the feasible set is non-empty, identify the component-wise minimum pow..
A ball is thrown vertically upwards from a point 1.5 m above the ground, with an initial velocity of 30 m/s. In this problem, neglect the effects of air on the motion of theball, and take g = 10 m/s2. what is the total distance moved by the ball
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