Electronics (6063)
9個單元 · 55個課題
免費的Electronics (6063)學習筆記，專為GCE O-Level學生準備。下列每個章節都涵蓋一個重點主題，附有例題與練習提示，可在 thinka 應用程式中延伸練習。
Electronic Systems
Simple systems
Electronic systems
Electrical signals
Current Electricity
SI units
Standard scientific notation and prefix form
Conventional current and electron flow
Charge, e.m.f. and potential difference
Resistance and Ohm's law
Measurement of voltage, current and resistance
Electrical energy and power
Resistors & Circuit Theories
Resistivity
Types of resistors
Colour code
Effective resistance
Basic terms in circuits
Series and parallel circuits
Voltage and current dividers
Kirchhoff's voltage and current laws
Alternating Currents & Capacitors
Characteristics of alternating current/voltage
Types of AC waveforms
Capacitor structure and working principle
Capacitance
Charging and discharging a capacitor
Semiconductor Diodes
Diode structure and working principles
Half-wave and full-wave rectification
Light-emitting diode (LED)
7-segment display
Zener diode and its applications
Infrared diodes and photodiodes
Transducers, Transistors & Amplifiers
Basics of input and output transducers
Thermistor, light-dependent resistor (LDR) and microphone
Loudspeaker, buzzer, motor and electromechanical relay
BJT structure and working principle
Operating regions
BJT applications
Operational amplifiers
Digital Fundamentals & Logic Gates
Analogue and digital signals
Pull up/down resistors
7-segment display module
Basic logic gates
Universal gates
Integrated Circuits (ICs)
Sequential Logic & Application ICs
Sum-of-Products Boolean expression
Boolean algebra and Karnaugh Map
Applications of combinational logic
NOR gate S-R Latch
Debounced Switch
LM311 voltage comparator IC and its applications
555 timer IC and its applications
74390 4-bit decade counter IC and its applications
Engineering Design Process
Project management
Project realisation
Circuit design and computer simulation
Test and measurement
Documentation of project
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