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A DC machine has the following parameters: Ra =1Ω, La = 4 mH , kPWM = 100 .(a) Design the current loop with a bandwidth of 1000 rad/s and phase margin of 900.(b)Given a step current command, ia*(t) = 5u(t)A, calculate the actual current,i(t)
Hspice Netlist example, Often Netlist is generated by programs such as Cadence. However, on the rare occasions when one has to look at Hspice netlist
two λ/2 dipoles are placed parallel to each other and spaced by a distance d = .15 λ , they are fed with antiphase currents so that I2=-I1=.7 Ampere , i- find the power radiated by the system taking into account the mutual impedance betwen the dipo..
Radio Systems, In design of radio systems that incorporate wireless networks, considerations must be taken such as user access, transmission direction, switching and signal strength.
For the system represented by the following difference equation y[n] = 0.5x[n] + 0.5x[n - 1] find: (a) the transfer function H(z) of the system. (b) the frequency response H(e^jw) of the system.
A balanced Y-connected power system is known to have Van=100
Consider a digital filter with frequency response: H(f)=11+f Assuming the sampling frequency is 1500Hz what is the frequency attenuation of a signal passing through this filter at 280Hz
A series type Ohmmeter uses a 50 ohm, 1mA PMMC the internal battery voltage is 3V the desired scale marking for half scale deflection is 2000 ohm. Calculate:- - Value of R1 & R2
Suppose that we wished to match an admittance using a double-stub tuner where the stubs are lambda/4 apart. For what range of admittance values can
A parallel circuit contains an AC voltage source of 3 Vrms, 100 Hz. The output of the voltage source is connected to a diode (1N4004). After the diode, connected in parallel are a 0.1uF capacitor and a 100 kohm resistor.
Consider the full wave rectifier circuit as shown below, where R=1k-ohm, C= 100 F. If the input voltage Vin = 24 V(peak to peak), Frequency=1k Hz, transformer turns ratio is 1.
For each one of the 3 frequency responses, H(f), in parts (a), (b), and (c) do the following: i. Obtain the system's impulse response, h(t). ii. Indicate if the system is BIBO stable or not, and state why. iii. Indicate if the system is causal or not..
Find the transformation ratio of a transformer having 350 turns on the secondary winding and 7000 turns on the primary. What voltage must be applied to the primary of the transformer to develop an open-circuit secondary voltage
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