Analog Signal
→
Sample
→
Quantize
→
Binary Output
🌊 Analog Signal
Continuous in time & amplitude
Values:
Infinite precision
Time:
Continuous
⚡ Sampling & Quantization
3-bit resolution = 8 levels (0–7)
Sample Rate:
16 samples/cycle
Bit Depth:
3 bits → 2³ = 8 levels
Original wave
Sample points
Quantized values
💻 Binary Output
Each sample → 3-bit binary number
The Key Insight for Digital Logic
Every analog signal can be represented as a sequence of binary numbers. More bits = more levels = better approximation. This is why digital systems work with 1s and 0s: they're the building blocks of all digital information.