Line Code Lab — Digital Signal Visualizer

Unipolar NRZ 1 → High, 0 → Zero

Unipolar RZ 1 → High then Zero, 0 → Zero

Polar NRZ-L 1 → Positive, 0 → Negative

Polar NRZ-I 1 → Transition, 0 → No change

Polar RZ Returns to zero at mid-bit

Bipolar AMI Alternating polarity for 1s

Bipolar AMI-RZ AMI with return-to-zero

Pseudoternary Alternating polarity for 0s

Manchester (IEEE 802.3) 1 → Low-to-High, 0 → High-to-Low

Differential Manchester 0 → Transition at start, always mid-transition

MLT-3 Cycles through -1, 0, +1 on 1s

2B1Q 2 bits per symbol, 4 levels

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