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www.Hobby-Electronics.info Electronics Course      Next www.Hobby-Electronics.info Electronics Course Table of Contents 1. DC and AC Voltages DC Voltage Sources AC Voltage Sources Measuring voltages using a multimeter 2. Current and Resistors Introduction Resistors in series Resistors in parallel Creating a voltage divider using resistors Measuring current using a multimeter Measuring resistance using a multimeter 3. Power dissipation Introduction Power dissipation in a resistor Power dissipation of series-connected resistors Power dissipation of parallel-connected resistors 4. Capacitors Introduction The impedance of a capacitor Phase shift Relation between voltage and current Frequency filters ESR Timer circuits Types of capacitors 5. Diodes Introduction An AC Voltage Rectifier LEDs Zener Diodes Testing diodes using a multimeter 6. Bipolar Transistors Introduction The transistor as a switch The Darlington The transistor as an amplifier Testing transistors using a multimeter 7. Project: A simple adjustable DC power supply The transformer The diagram 8. Differential Amplifier Typical example DC Current Source 9. Operational Amplifier Introduction Opamp used as an amplifier Opamp used as a threshold switch Opamp used as a voltage-controlled current source 10. Lab Power Supply The diagram Voltage feedback Current limitation Protective circuitry Choosing your components Assembly 11. Heatsink Introduction Calculations 12. Power Amplifiers Introduction Emitter follower Balance amplifier Bias Darlingtons Opamp 13. Inductors Introduction The impedance of an inductor Relation between voltage and current Frequency filters Quality factor 14. Decibels (dB) Power and Voltage Ratios Reference-related dBs 15. Vocal Eliminator Introduction Schematic Choosing components Testing Assembly 16. Symmetric power supply Introduction Up to about 25mA Up to 1A 17. JFETs Introduction JFET amplifier JFET current source 18. MOSFETs Introduction MOSFET amplifier Dual-gate MOSFETs 19. LC filters Introduction High pass filter Band pass filter Band pass filter with a smaller band Resonance Tuned circuit 20. Miscellaneous filters Introduction Coupled filters Twin T-filter Bridged T-filters 21. Frequency-independant voltage devider Introduction HF probe Attenuator in an oscilloscope 22. DIACs, SCRs and TRIACs DIAC SCR TRIAC 23. TV Deflection Circuit Warning The picture tube Deflection coils Deflection circuit Linearity correction S-Correction EW-Correction Practical Examples 24. Automatic volume control Introduction Schematic Choosing components Power supply A. Inside semiconductors Inside a diode P type and N type semiconductors Joining P and N together Zener diodes Varicap diodes Inside a bipolar transistor Joining three layers of P and N together Applying voltages across a transistor Inside a JFET Joining three layers of P and N together Applying voltages across a JFET Inside a MOSFET Joining three layers of P and N together Applying some voltages across an enhancement MOSFET Depletion MOSFETs B. Buffer capacitor Calculation of the value of a buffer capacitor ESR      Next      Chapter 1. DC and AC Voltages

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