Sampling | Teleinf Edu
The first step of A/D conversion: the Nyquist-Shannon sampling theorem.
2 min
Conversion
ADC and DAC methods, sampling, and digital conversion structures for analog telecom signals.
Articles: 12
Articles in this category
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Quantization | Teleinf Edu
Converting continuous sample amplitudes into discrete levels and the resulting quantization noise.
2 min
Companding | Teleinf Edu
Non-linear quantization using A-law and µ-law to improve SNR for low-amplitude signals.
2 min
Pulse Code Modulation (PCM) | Teleinf Edu
The fundamental technique for digital representation of analog signals, like voice.
2 min
Delta Modulation (DM) | Teleinf Edu
A simple 1-bit differential coding technique, including its adaptive variants (ADM).
2 min
Differential PCM (DPCM/ADPCM) | Teleinf Edu
Advanced differential coding using multi-bit quantization for better compression.
2 min
A/D Converter Methods | Teleinf Edu
An overview of indirect (e.g., integrating) and direct (e.g., flash) conversion techniques.
2 min
Flash A/D Converters | Teleinf Edu
The fastest ADC architecture: parallel conversion using comparators.
2 min
Integrating A/D Converters | Teleinf Edu
High-precision conversion using single-slope and dual-slope integration methods.
2 min
Successive Approximation ADC | Teleinf Edu
A widely used method balancing speed and resolution via iterative comparisons.
2 min
Weighted Resistor D/A Converters | Teleinf Edu
Converting digital words to analog signals using a weighted resistor network.
2 min
R-2R Ladder D/A Converters | Teleinf Edu
A precise and practical DAC architecture using a ladder of only two resistor values.
2 min