Podcast
Questions and Answers
What is the main purpose of an anti-aliasing filter in the context of analog-to-digital conversion?
What is the main purpose of an anti-aliasing filter in the context of analog-to-digital conversion?
- To digitize the analog signal and hold it for quantization and encoding
- To optimize the sampling frequency and price ratio
- To improve the resolution and reduce noise in the sampled signal
- To prevent harmful folding by ensuring the sampling frequency is twice the maximum frequency component of the function being sampled (correct)
Why must the sampling frequency in analog-to-digital conversion adhere to the Nyquist sampling theorem?
Why must the sampling frequency in analog-to-digital conversion adhere to the Nyquist sampling theorem?
- To ensure accurate display of the digital signal
- To avoid harmful folding due to aliasing (correct)
- To optimize the price-to-resolution ratio
- To reduce noise and improve resolution
Which step in analog-to-digital conversion involves capturing and holding the analog signal for further processing?
Which step in analog-to-digital conversion involves capturing and holding the analog signal for further processing?
- Resolving and encoding
- Quantization and encoding
- Anti-aliasing filtering
- Sampling and holding (correct)
Which measurement involves rise-time, attenuation, bridge circuit, resonance, and oscillation frequency?
Which measurement involves rise-time, attenuation, bridge circuit, resonance, and oscillation frequency?
Which type of converter is known for its high resolution, linearity, and accuracy but has a limited bandwidth for DC signals?
Which type of converter is known for its high resolution, linearity, and accuracy but has a limited bandwidth for DC signals?
What is the distinctive feature of the Flash Converter?
What is the distinctive feature of the Flash Converter?
What characterizes the Pipeline Converter in terms of processing samples?
What characterizes the Pipeline Converter in terms of processing samples?
Which converter uses an iterative method to convert the signal bit by bit, starting from the most significant bit (MSB)?
Which converter uses an iterative method to convert the signal bit by bit, starting from the most significant bit (MSB)?
What is a key characteristic of the Delta-Sigma Converter?
What is a key characteristic of the Delta-Sigma Converter?
What is a disadvantage of using a shunt resistor for current measurements?
What is a disadvantage of using a shunt resistor for current measurements?
What is a key advantage of using a current sense amplifier for high-side measurement?
What is a key advantage of using a current sense amplifier for high-side measurement?
What does the modulator output in a Delta-Sigma Converter represent?
What does the modulator output in a Delta-Sigma Converter represent?
