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How can you build a Selective Gate? Using a presettable divide-by-N counter and a gating circuit that will gate the clock pulses from the clock. It should let three pulses pass and than block three.
determine the current drawn from a 3 phase 220 V line by a 3 phase 15kW motor operating at half load, 85% efficiency and .8 pf lagging. Find the values of real and reactive power drawn from the line.
a. Convert all the per unit values to a common kVA of 100 and transmission side voltage base of 2500V b. To maintain one per unit voltage at rated load, find the per unit generator voltage needed.
A 40 H resistor, a 5 mH inductor, and a 1.25 uF capacitor are connected in series. The series-connected elements are energized by a sinusoidal voltage source whose voltage is 600 cos (8000^ + 20°)V.
When a certain network is excited with a d-c voltage of10V,the steady state ouptut is 2V. When the same network is excitedwith a sinusoidial voltage of Vin=50 sin 10t, the steady state response is vout=5sin(10t+30 degrees).
How much torque is this motor producing. What is the torque angle. How near is this value to the maximum possible induced torque of the motor for this field current setting.
The left and right channels of a analog stereo signal are sampled at a 45kHz with each signal being converted into a digital bit stream using a 12-bit A/D converter. Determine the combine bit rate of the two channels after sampling.
An 8 - bit microcontroller has an external RAM with the memory map from 8000H to 9FFFH. what is The Number of bytes this RAM can store
A four DC shunt generator has Φ=.06 Wb/pole, Z=175, n=1800 rpm, coverage, PFC= 0.8 A. Calculate the generated voltage B. If the load voltage is 240 V and the full load current is 100A, Calculate the armature resistance.
Calculate the minimum number of PN bits required for each frequency hop for an FHSS system that employs a total bandwidth of 800 MHz and an individual channel bandwidth of 200 Hz. If this system uses MFSK modulation in conjunction with FHSS
The counter will use the falling edge of the clock (denoted by Clk) and have a separte reset pin (R) which will reset the counnter to 0000 when it is low (e.g. R=0). Please use D type flip-flops. write down the state diagram , and state table.
Given the following continuous-time system X(t)= [1 0] x(n) + [1]u(t-0.2) [1 1] [0] Determine the pulse-transfer function if a sampling period of Ts = 0.3 is used
When the starter motor, which draws 90A, is running the terminal voltage drops to 11V. What is the internal resistance of the battery What percentage of the chemical power is delivered to the starter motor
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