Conversion

ADC and DAC methods, sampling, and digital conversion structures for analog telecom signals.

Articles: 12

Articles in this category

Sampling | Teleinf Edu

The first step of A/D conversion: the Nyquist-Shannon sampling theorem.

2 min

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Quantization | Teleinf Edu

Converting continuous sample amplitudes into discrete levels and the resulting quantization noise.

2 min

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Companding | Teleinf Edu

Nonlinear quantization using A-law and µ-law to improve SQNR for low-amplitude signals.

2 min

Open article

Pulse Code Modulation (PCM) | Teleinf Edu

A method for representing analog signals in digital form, including voice.

2 min

Open article

Delta Modulation (DM) | Teleinf Edu

A simple 1-bit differential coding technique, including its adaptive variants (ADM).

2 min

Open article

Differential PCM (DPCM/ADPCM) | Teleinf Edu

DPCM and ADPCM differential coding with multibit quantization.

2 min

Open article

A/D Converter Methods | Teleinf Edu

An overview of indirect (e.g., integrating) and direct (e.g., flash) conversion techniques.

2 min

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Flash A/D Converters | Teleinf Edu

A parallel ADC architecture with simultaneously operating comparators.

2 min

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Integrating A/D Converters | Teleinf Edu

A/D conversion using single-slope and dual-slope integration.

2 min

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Successive Approximation ADC | Teleinf Edu

A widely used method balancing speed and resolution via iterative comparisons.

2 min

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Weighted Resistor D/A Converters | Teleinf Edu

Converting digital words to analog signals using a weighted resistor network.

2 min

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R-2R Ladder D/A Converters | Teleinf Edu

A precise and practical DAC architecture using a ladder of only two resistor values.

2 min

Open article