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Learning Outcomes for ECE 220
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MAIN LIST
LESSON OUTCOME
NO.
DESCRIPTION
2 1 Calculate charge by integrating current, or calculate current by taking the derivative of charge. 2 2 Explain the sign convention for current flow in terms of the flow of charged particles. 2 3 Calculate work/energy expended in moving a quantity of charge through a potential difference. 3 4 Apply the passive sign convention for labeling voltage polarity and current direction through a ckt element. 3 5 Calculate power consumed or delivered (state which) by a ckt element in terms of voltage and current at the element terminals. 3 6 Apply the power balance principle to a ckt. 3 7 Calculate energy expended by integrating instantaneous power. 4 8 Explain the terminal characteristics of ideal current and voltage sources of both independent and dependent type. 4 9 Explain how to connect a common bench power supply as either a voltage source or a current source. 4&6 10 Distinguish between valid and invalid series/parallel connections of voltage/current sources and find a single equivalent source when applicable. 4 11 Apply Ohm’s law to compute voltages and currents in simple resistive ckts containing sources. 4 12 Read resistor values using the 3-4 band color code. 4 13 Estimate the required power rating for resistors. 5 14 Write KCL at a node connected to three or more branches. 5 15 Write KVL for a loop containing three or more ckt elements. 6 16 Apply KCL in simple ckts with one (unknown) node voltage, containing one ground node, one other essential node, resistors, independent and dependent sources. 6 17 Apply KVL in simple ckts with one (unknown) mesh current, containing resistors, independent and dependent sources. 6 18 Apply KVL to find the voltage across an open-ckt or "air gap." 7 19 Identify resistors in series/parallel. 7 20 Simplify resistive networks using series/parallel formulae. 7 21 Identify a resistive voltage divider and correctly apply the voltage division formula. 7 22 Identify a resistive current divider and correctly apply the current division formula. 8 23 Identify resistors in delta, wye and bridge formation. 8 24 Simplify resistive (e.g. bridge) networks using delta-wye conversions (and state the conversions for the case of three equal resistors). 8 25 Recognize a balanced (Wheatstone) bridge and analyze it using voltage or current division. 9 26 Design series/shunt resistors for a d'Arsonval voltmeter/ammeter to produce a specified full-scale reading. 9 27 Show that, in most ckts, d'Arsonval meters disturb the voltage/current values that they are intended to read. 10 28 Explain the loading effect, its cause, and how to reduce it.
10 29 Construct and analyze a phasor domain ckt from a simple one-loop or one-node AC ckt containing AC sources and R, L, C components. 11 30 Identify and distinguish between essential nodes, essential branches, loops and meshes. 11 31 Write and solve node equations in terms of the unknown voltages at essential nodes. (Ckt with independent sources and resistors).
12 32 Write and solve node equations for ckts with dependent sources. 13 33 Recognize a supernode and apply KCL at the supernode, together with a ground-ground KVL eqn through the supernode to solve for all unknown node voltages.
14 34 Show that when a resistor is connected in series with a current source, the resistor value does not affect the voltages at essential nodes. 15 35 Write and solve mesh equations in terms of the unknown mesh currents. (Ckt with independent sources and resistors).
16 36 Write and solve mesh equations for ckts with dependent sources. 16 37 Recognize a supermesh and apply KVL around the supermesh, together with KCL applied to the current-source-containing branch to solve for all unknown mesh currents.
17 38 Write and solve mesh equations for simple (two mesh) AC ckts with R, L, C components and independent sources.
17 39 Choose the most efficient analysis technique - node or mesh - for a given ckt. 18 40 Recognize Thevenin and Norton ckts and convert one to the other. 18 41 Simplify networks by doing source conversions and merging multiple Thevenin ckts in series and/or Norton ckts in parallel.
18 42 Demonstrate that source conversions change the power developed in a ckt. 19 43 In ckts with dependent sources, recognize that elements with controlling currents/voltages should be preserved. 19 44 Apply source conversion to simple AC ckts with R, L, C components and independent sources. 20 45 In ckts with at least one independent source, compute the parameters of a Thevenin/Norton equivalent ckt by finding the open ckt voltage and the short ckt current.
21 46 In ckts where all sources are independent, compute Thevenin/Norton resistance by the method of source deactivation. 21 47 For any ckt, including those containing only dependent sources and resistors, find Thevenin/Norton parameters using the test source method.
21 48 Reduce a dependent source to an equivalent resistor for the special case when the value of the source voltage/current is directly proportional to the current/voltage through/across the source. 22 49 For any two terminals, state the external load that will result in maximum cur- rent/voltage/power. 23 50 Apply the superposition theorem to calculate the change in any specified voltage/current in ckts where a new source is added.
23 51 Apply superposition to analyze ckts containing both DC and AC sources. 24 52 Draw and interpret the voltage transfer characteristic of an op-amp and hence describe open-loop behavior. 24 53 Describe the essential differences between the practical op-amp model and the ideal op- amp model, with emphasis on the virtual short conditions and the significance of negative feedback. 25 54 Draw and analyze (e.g. voltage-gain, output current) the inverting amplifier assuming the ideal op-amp model. 25 55 Likewise, draw and analyze the inverting amplifier assuming the practical (non-ideal) op- amp model. 25 56 Draw and analyze the inverting summing amplifier assuming the ideal op-amp model. 26 57 Draw and analyze the noninverting amplifier assuming the ideal op-amp model.
35 87 Write the form of the natural response for a given RLC series or parallel ckt, and state whether it is underdamped, critically damped, or overdamped. 35 88 Plot the roots of the RLC series/parallel characteristic equation in the complex plane and identify the corresponding class of damping.
36 89 Write the natural response given a parallel RLC ckt and its initial conditions. 37 90 Predict the final value of current/voltage in series/parallel RLC ckts with a DC step excitation applied. 37 91 Write the step response given a parallel RLC ckt, its initial conditions, and the value of the DC excitation. 38 92 Write the natural/step response given a series RLC ckt, its initial conditions, and the value of the DC excitation. 39 93 Identify the amplitude, frequency, phase, and time-shift for a given sinusoidal function. 39 94 Calculate the phase angle between two given sinusoids and state which one is lead- ing/lagging. 40 95 Write the phasor representation of any given sinusoidal function, and plot the phasor in the complex plane. 40 96 Explain how sinusoids in the time-domain are represented by rotating phasors. 40 97 Write the time-domain sinusoid corresponding to a given phasor. 41 98 Write the voltage and current phasors for individual R, L, C elements and state the leading/lagging phase relationships of the phasors.
41 99 Write the impedance, resistance, reactance, admittance, conductance and susceptance of R, L, C elements, and explain the values of impedance at w=0 and infinity in terms of the physical characteristics of inductors and capacitors.
41 100 Apply V=IZ to find voltage/current/impedance in simple series/parallel AC ckts. 42 101 Find the equivalent impedance/admittance seen at two terminals in series/parallel connected RLC networks. 42 102 Find the frequency at which RLC networks appear to be purely resistive. 42 103 Apply KVL and KCL in simple RLC networks with independent sources. 43 104 Apply node and mesh analysis to find the Thevenin/Norton equivalents of AC ckts with independent and dependent sources.
44 105 Find the steady-state frequency response for simple passive RLC ckts, and convert the linear gain response to dB.
44 106 Find the steady-state output of a ckt given the sinusoidal input and the dB gain and phase shift of the ckt (which may be presented in the form of plots of the frequency response).
44a 107 Find the dB gain response of simple audio filter ckts such as bandpass, bandreject, preemphasis, treble/bass tone controls.
45 108 Construct phasor diagrams for simple series/parallel RLC ckts. 45 109 Explain how load-shunting capacitors are used in domestic and industrial power transmission applications. 45 110 Explain and find the conditions for resonance in series or parallel RLC ckts, and hence explain how tuning ckts work.
47 111 Explain the characteristics of an ideal transformer and give the voltage/current/impedance transformation ratios in terms of turns ratios.
47 112 Predict the phase (i.e. polarity) of voltage/current waveforms at the secondary terminals given the dot locations of the transformer.
47 113 Apply mesh analysis in ckts with ideal transformers to find primary and secondary currents and voltages, and input impedance.
ECE 220 Learning Outcomes related to Lab & PSpice Exercises
New outcomes are listed that are not part of the Main List. Many outcomes on the Main List are reinforced by the labs and PSpice exercises. For example, Lab 1 reinforces the concept of loading (Outcome 27 on Main List) observed when two ckts are cascaded.
LAB OUTCOME NO.
DESCRIPTION
1 1 Construct and test, on breadboard, a given dimmer ckt (or similar) centered around the 2N2222 (or equivalent) BJT.
1 2 Construct and test, on breadboard, a given buffer ckt (or similar) centered around the 741 op-amp (8-pin DIP).
1 3 Connect a DC bench power supply as either a specified voltage or specified current source. 1 4 Measure DC voltage, current and resistance using a bench digital multimeter. 1 5 Explain the current-controlled current source model used to represent the DC behavior of a BJT. 1 6 (PSpice 9.2 Lite) Construct a potentiometer-biased BJT schematic and run a DC SWEEP of the potentiometer slider position.
2 7 Construct and test, on breadboard, a given single-stage transistor amplifer ckt, such as the common emitter or emitter follower.
2 8 Construct and test a simple d'Arsonval voltmeter or ammeter. 2 9 Measure DC voltage using the oscilloscope. 2 10 Connect a function generator to supply either a given RMS voltage or RMS current in an AC ckt. 2 11 Measure peak-to-peak values of AC voltage waveforms using the oscilloscope. 2 12 Construct an AC waveform of specified frequency using the function generator and oscilloscope. 2 13 Calculate error bounds on ckt performance using component tolerances for a d'Arsonval meter ckt. 2 14 (PSpice) Construct and test a schematic containing a dependent source model of the potentiometer-biased BJT ckt from Lab 1.
2 15 (PSpice) Construct a schematic to model a d'Arsonval ammeter and test the meter by DC SWEEPing the shunt resistor and the input current source.
3 16 Construct and test, on breadboard, a BJT (approximately) constant current source ckt, and, by applying a variable load, derive the parameters of a Norton equivalent ckt.
3 17 Measure, by applying a variable load, the Thevenin parameters at the collector of the BJT dimmer ckt from Lab 1.
3 18 (PSpice) Construct the constant current BJT schematic and run a DC SWEEP of the load to derive the Norton parameters. 4 19 Construct and test, on breadboard, an op-amp comparator ckt that will switch an LED on/off according to the polarity of the voltage across the input terminals.
4 20 Construct and test, on breadboard, a single-stage op-amp difference amplifier that will amplify a voice signal and suppress unwanted sinusoidal/noise interference.
4 21 Construct and test a high impedance voltmeter using an op-amp and a panel (d'Arsonval) meter. 4 22 (PSpice) Construct and test well known op-amp ckts and run TIME DOMAIN analysis as well as DC SWEEPs, with both DC and AC sources present.
5 23 Connect an oscilloscope to display two waveforms simultaneously.
