Electrical Engineering › Section R · Digital concepts, number systems, and codes › Topic R.1
Digital and analog quantities, logic levels, and waveforms
Part 3 of the course moves from circuits that handle smoothly varying voltages to circuits that handle only two values. This topic sets up the language of digital electronics: what makes a quantity digital, how a voltage stands for a 1 or a 0, and how to read the pulse waveforms that carry bits.
In this topic
- Continuous and discrete quantities
- Why so much electronics is digital
- Bits, codes and positive logic
- Logic levels and the forbidden region
- Worked example: reading input voltages
- Pulses and digital waveforms
- Period, frequency and duty cycle
- Worked example: a periodic pulse train
- The clock and timing diagrams
- Worked example: serial or parallel transfer
- Common mistakes to avoid
- Key takeaways
This topic is part of Wuanberri Pro. Checking your access…