3. Introduction to Key Components – ADC, DAC, and Mixed Signal Systems
Mixed signal systems integrate both analog and digital components to facilitate the conversion and processing of signals. Key components include Analog-to-Digital Converters (ADC), Digital-to-Analog Converters (DAC), and various architectures that support applications like audio processing and data acquisition. Understanding these components and their design considerations is crucial for effective mixed signal circuit design.
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What we have learnt
- Mixed signal systems include ADCs and DACs, essential for bridging analog and digital domains.
- Key parameters of ADCs and DACs influence their performance, including resolution, sampling rate, and settling time.
- Designing efficient mixed signal systems involves noise isolation, power separation, and proper layout techniques.
Key Concepts
- -- AnalogtoDigital Converter (ADC)
- An ADC transforms an analog signal into a digital signal, characterized by parameters like resolution, sampling rate, and accuracy.
- -- DigitaltoAnalog Converter (DAC)
- A DAC converts a digital signal back into an analog signal, with key aspects including resolution, settling time, and linearity.
- -- Mixed Signal System
- A system that incorporates both analog and digital components to process real-world signals with digital control.
- -- Sampling Rate
- The frequency at which an analog signal is sampled for conversion to digital form, typically expressed in Hertz.
- -- Resolution
- The number of bits used in the output of ADCs and DACs, determining the precision of the signal representation.
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