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Load Flow Calculation -
In the power network shown below, node 1 is the slack bus, where the nodal voltage is defined as (1.0∠0o) pu, nodes 2, 4 and 5 are load buses, and node 3 is a generator bus where the voltage magnitude is controlled at 0,98 pu and the injected power is 0.4 pu, as shown.
Calculate the network bus voltage, network current, line losses and line power& reactive power flows.
The voltage and current at the terminals of an ideal element are 0, for t _ (minus equal) 0s. V(t) = 100(1-e^(-300t) V, i(t) = 15e^(-400t) mA. Find the maximun power absorbed by the element by the element at t = 10ms
64-bit ripple-carry adder and a 64-bit carrylookahead adder with 4-bit blocks. Use only two-input gates. Each two-input gate is 15μm2, has a 50 ps delay, and has 20 pF of total gate capacitance. You may assume that the static power is negligible.
A common-emitter amplifier with an emitter resistance RE, but without an emitter by-pass capacitor CE is good for high input resistance, common-emitter amplifier using an emitter by- pass capacitor is good for high voltage gain
Design a bandpass filter of 'Sallen and Key' topology and having the following characteristics fo = 3.3 kHz, Q = 2.2
A fab house has a 180 nm process with a $500 cost per processed 8-inch wafer. If you do the design yourself using open-source tools and the mask cost is $250K, estimate the market size required to obtain 50% margin on a chip that is 3 mm on a side..
Explain what the cumulative probability distribution function indicates in this case. If the rms value is given by 2 sigma, compute the percentage of time that a signal is 12 dB or more below the rms value for a Rayleigh fading signal.
An hydro-electric station has a turbine of efficiency 86% and a generator of efficiency 92%. The effecitive head of water is 150 m. Calculate the volume of water used when delivering a load of 40 MWfor 6 hours. Water weighs /000 kglm3.
Assume that you have a CMOS inverter with a perfectly symmetric voltage transfer curve (VTC). What will happen to the VTC if you size down the NMOS transistor
construct a vertical line on your I versus V graph at the point V=5V. this line will intersect each of the sloping lines at two separate points. explain the significance of these intersections.
The wastewater will also contain traces of organic material.6. A packed absorption column 0.5 m diameter, 3 m high, absorbing gaseoushydrochloric acid into water. The column will operate at essentially atmosphericpressure.
Design an inverting amplifier with a gain of -12 that has an input impedance that is larger than 100K that can drive a 2K resistive load using bipolar transistors. Verify your design analytically and with SPICE.
What characteristics of CMOS devices make them a desirable digital logic technology to use in portable electronic devices, such as MP3 players What device properties influence the operating speed and utility in portable electronic devices
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