Download ELECTRONICS Topics for the Midterm Class Test and for the Final... First part

ELECTRONICS
Topics for the Midterm Class Test and for the Final Test
First part
1. Basic circuits.
1.1 Resistors, capacitors, inductances, current&voltage sources - symbols, notations.
1.2 Resistance, impedance, admittance - calculations; ac and dc signals.
1.3 I & II Kirchhoff law (KVL, KCL). Basic circuit analysis.
2. Properties of semiconductor, basic phenomena and sensor applications
2.1 Semiconductors, metals, insulators – basic electrical properties, energy band models
2.2 Intrinsic and doped semiconductors, Fermi level position in EB models
2.3 Drift and diffusion currents
2.4 Temperature influence on semiconductors; thermistor
2.5 Light effect in semiconductors, optical absorption edge; photoresistor
2.6 Magnetic field effect in semiconductors; hallotron
3. The p-n Junction. Diode Applications Circuits.
3.1 The p-n junction formation and energy band model, the diffusion barrier.
3.2 The p-n junction under forward and reverse bias
3.3 The I-V curve, the Shockley equation - interpretation.
3.4 The real diodes. The I-V curves for the diodes made of different semiconductors.
3.5 The maximum, rated parameters of the diodes.
3.6 Temperature coefficients for diode I-V curve. Diode as a thermometer.
3.7 Light effect in the p-n junction. Photodiodes, the solar cell.
3.8 Circuit loop with a power supply, the diode and a resistor. The Load Line,
the Operating Point calculation and graphical analysis.
3.9 The diode equivalent model for small ac signals analysis The dynamic resistance.
3.10 The Schottky diode: parameters and comparison to the p-n junction diode.
3.11 Rectifier circuits. Half wave and full wave (the Graetz Bridge) and voltage waveforms.
The role of a capacitor filter in the rectifier circuits
3.12 The Zener diode parameters. Voltage regulator circuit.
3.13 The varactor diode. The p-n junction capacitance.
3.14 The LED diode I-V curve and parameters.
3.15 For the discussed diodes, the correct biasing (operating region of the I-V curve)
and basic parameters should be known.
Second part
4. Bipolar transistors (BJT) and application circuits.
4.1.Symbols and basic configurations of transistors.
4.2 DC bias for active operation – CE, CB, CC configurations (npn/pnp)
4.3 Definition of the current gain and its value for CE, CB, CC configurations.
4.4 The output and input dc characteristics for CE, transistor operating regions.
4.5.CE amplifier – basic circuit schematics, load line equation; calculations of IC, IB.
4.6 Setting of the operating point in the dc characteristics.
4.7 Transistors types and numbering code. Data sheet parameters of the transistors.
4.8 Small signal equivalent model for low frequency, h - parametres.
4.9 Amplifier equivalent circuit for AC analysis. The voltage gain.
4.10 Frequency response, bandwith, fT – definition.
4.11 Darlington pair; complementary pair.
4.12 Transistor as a switch, operating point transient while switching.
4.13 Class-A, class-B amplifiers.
4.14 Differential amplifier principle of operation and advantages.
4.15 Operational amplifier – basic configurations, setting the voltage gain.
4.16 OP-AMP frequency response, bandwith vs. gain trade-off.
4.17 Linear amplifier and comparator modes of operation.
5. Field Effect Transistors and application circuits.
5.1 Symbols and DC biasing of JFET (n-chnnel, p-channel).
5.2 JFET output and transfer DC characteristics.
5.3 Biasing circuit for JFET amplifier, operating point setting.
5.4 MOSFET – principle of operation, channel formation and current control.
5.5 Proper DC bias for n-channel and p-channel MOSFETs
5.6 DC output and transfer characteristics for E-MOSFET and D-MOSFET.
5.7FET small signal, low frequency equivalent model
5.8 Voltage gain of FET amplifier, transconductance parameter.
5.9 Biasing circuit for E-MOSFET amplifier, operating point setting.
6. Power switching devices (for DC and AC power sources)
6.1 DC power switches: BJT, MOSFET application circuit with the load
6.2 IGBT device operation and advantages, applications.
6.3 Thyristor and triac symbols and I-V characteristics, switching methods.
6.4 Application circuit with a thyristor (triac) delivering power to the load.
6.5 Voltage and load current waveforms in the application circuit.
6.6 Diac and PUT I-V characteristics.
7. Basic digital integrated circuits
7.1 Digital circuits; general characterization and figures of merit.
7.2 Logic gates – truth tables for NAND, NOR and combinational connections.
7.3 TTL circuits types – parameters.
7.4 CMOS circuits types – parameters.
7.5 Comparison of TTL and CMOS families.
7.6 Sequential logic: flip-flops, latches –general idea.
7.7 Memories types: RAM, ROM, EEPROM.
7.8 Comparision of SRAM i DRAM.