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Unit 251 -- Semiconductors: 5 Unit CourseCovers the theory behind semiconductor operation. Describes the characteristics and operation of various kinds of diodes and transistors. Stresses the importance of proper environmental conditions and explains how to minimize electrostatic discharge (ESD) and radio frequency interference (RFI). Discusses printed circuit board (PCB) and integrated circuit (IC) technology, including connection and replacement methods. Identifies kinds of semiconductor packages. Explains how to interpret manufacturers and #8217, spec sheets, and how to analyze circuit performance by Q points and by characteristics. Includes the following individual lessons: Lesson 251.1 -- Introduction to Semiconductors; Lesson 251.2 -- Environmental Conditions; Lesson 251.3 -- Printed Circuit Boards; Lesson 251.4 -- Transistors/Integrated Circuits; Lesson 251.5 -- Packages & Performance Analysis.
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Individual Lesson 251.1 -- Introduction to SemiconductorsStand-alone lesson from Unit 251.
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Individual Lesson 251.2 -- Environmental ConditionsStand-alone lesson from Unit 251.
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Individual Lesson 251.3 -- Printed Circuit BoardsStand-alone lesson from Unit 251.
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Individual Lesson 251.4 -- Transistors/Integrated CircuitsStand-alone lesson from Unit 251.
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Unit 252 -- Power Supplies: 6 Unit CourseCovers the 4 basic power supply conversions. Explains how to work with non-chemical and primary/secondary cells of various materials. Describes the functions/operation of several kinds of rectifiers, filters and voltage regulators and explains how they work together as power conditioners in circuits. Discusses basic tools, test devices, and procedures for solving a number of problems in the least amount of time. Includes the following individual lessons: Lesson 252.1 -- Power Supplies/Power Conditioners; Lesson 252.2 -- Cells and Batteries; Lesson 252.3 -- Rectifiers; Lesson 252.4 -- Filters; Lesson 252.5 -- Voltage Regulators; Lesson 252.6 -- Troubleshooting Power Supplies.
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Individual Lesson 252.1 -- Power Supplies/Power ConditionersStand-alone lesson from Unit 252.
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Individual Lesson 252;2 -- Cells and BatteriesStand-alone lesson from Unit 252.
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Individual Lesson 252.3 -- RectifiersStand-alone lesson from Unit 252.
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Individual Lesson 252.4 -- FiltersStand-alone lesson from Unit 252.
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Individual Lesson 252.5 -- Voltage RegulatorsStand-alone lesson from Unit 252.
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Individual Lesson 252.6 -- Troubleshooting Power SuppliesStand-alone lesson from Unit 252
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Unit 253 -- Amplifiers: 5 Unit CourseCovers the effects of gain, bandwidth, and distortion on amplifier performance. Compares linear and nonlinear (switching) amplifiers. Explains how to use transistor curves to analyze amplifier operation in terms of operating regions, load lines, operating (Q) points, and biasing. Discusses impedance matching and compares capacitive, transformer, and direct-coupled amplifiers. Describes many ways OP amps are used today, including integrators and comparators. Provides specific methods for troubleshooting common amplifier problems. Includes the following individual lessons: Lesson 253.1 -- Introduction to Amplifiers; Lesson 253.2 -- Single-Stage Amplifiers; Lesson 253.3 -- Performance & Multistage Amplifiers; Lesson 253.4 -- OP Amps; Lesson 253.5 -- Troubleshooting Amplifiers.
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Individual Lesson 253.1 -- Introduction to AmplifiersStand-alone lesson from Unit 253.
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Individual Lesson 253.2 -- Single-Stage AmplifiersStand-alone lesson from Unit 253.
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Individual Lesson 253.3 -- Performance & Multistage AmplifiersStand-alone lesson from Unit 253.
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Individual Lesson 253.4 -- OP AmpsStand-alone lesson from Unit 253.
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Individual Lesson 253.5 Troubleshooting AmplifiersStand-alone lesson from Unit 253.
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Unit 254 -- Oscillators: 5 Unit CourseCovers how oscillation is started and maintained. Compares LC (tuned), RC (phase-shift), and crystal oscillators. Compares sine-wave oscillators and square-wave switching circuits. Discusses mono-stable, a-stable, and bi-stable flip-flop operation in detail and shows expected waveforms. Explains how logic clocks are generated and conditioned. Discusses Schmitt trigger circuits, frequency dividers, ripple counters, propagation delays and glitches. Describes the operation of low-pass, high-pass, band-pass, and band-reject filters, including differentiators and integrators. Describes the equipment and procedures for troubleshooting, oscillator components and circuits. Includes the following individual lessons: Lesson 254.1 -- Introduction to Oscillators; Lesson 254.2 -- Flip-Flops; Lesson 254.3 -- Logic Clocks; Lesson 254.4 -- Filters and Waveforms; Lesson 254.5 -- Troubleshooting Oscillators.
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Individual Lesson 254.1 -- Introduction to OscillatorsStand-alone lesson from Unit 254.
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Individual Lesson 254.2 -- Flip-FlopsStand-alone lesson from Unit 254.
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Individual Lesson 254.3 -- Logic ClocksStand-alone lesson from Unit 254.
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Individual Lesson 254.4 -- Filters & WaveformsStand-alone lesson from Unit 254.
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Individual Lesson 254.5 -- Troubleshooting OscillatorsStand-alone lesson from Unit 254.
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