Electrical and Computer Engineering Homework Solutions

Electric Circuits

See attached file for full problem description. Pls answer only 12.2.

Electric Circuits - 12.1a

See attached file for full problem description. Please do not sketch, just derive expression and determine the poles n zeros.

Derive the transfer function from a circuit

See attachment for full problem description Derive the transfer function for the given circuit.

Reduce the gain of a circuit

See attachment for full problem description Modify the circuit to reduce the gain to 0.4 of its original value. Draw the final circuit with all component values.

Bandpass Biquad filter.

See attachment for full problem description. Use the equal-element criterion (Design 1) to obtain a bandpass biquad with omega= 4 rad/s and Q=8.

Circuit - 13.2

Skip (b) and plot for the magnitude only. See attached file for full problem description.

Transfer Function and Poles - 13.5

Skip (a). See attached file for full problem description.

Bode Plots

Can some one teach me an easy way to make a bode plot for any given transfer function magnitude only (not phase) . Ex 40s/(s+10) or s(s+10)/((s+1)(s+100)^2).

Power factor improvement using capacitor bank.

An industrial user has a number of machine tools which are driven by three phase induction motors. during a particular shift, the power factor of the combined load can vary between 0.65(100 KVA load) and 0.81 (20 KVA) load. the user is contemplating using a capacitor bank to maintain the power factor at the point the 11KV supply ...continues

Circuit current and voltage in a circuit

OK, I have a power supply that outputs 24VDC at 3A. I have a sensor that needs 24VDC at 100mA. If I do ohms law V/I = R I then do 24VDC/100mA and get 240 for resistance. My wire will go from the supply terminal block through a series wire then a resistor to my sensor. Will this method at 240 ohms reduce my current? to 100mA ...continues

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