Digital Signal Processing Questions

• A binary-weighted-input digital-to-analog converter has a feedback resistor, Rf, of 12 kΩ. If 50 µA of current is through the resistor, voltage out of the circuit is ________.
• An op-amp has very ________.
• In a digital reproduction of an analog curve, accuracy can be increased by ________.
• Which of the following best defines Nyquist frequency?
• Settling time is normally defined as the time it takes a DAC to settle within ________.
• In a flash analog-to-digital converter, the output of each comparator is connected to an input of a ________.
• The resolution of a 6-bit DAC is ________.
• If a DAC has a full-scale, or maximum, output of 12 V and accuracy of 0.1%, then the maximum error for any output voltage is ________.
• In a 4-bit R/2R ladder digital-to-analog converter, because of negative feedback, the operational amplifier keeps the inverting (minus) input near ________.
• How are unwanted frequencies removed prior to digital conversion?
• Which type of programming is typically used for digital signal processors?
• Which is not an A/D conversion error?
• Which is a typical application of digital signal processing?
• For a 4-bit DAC, the least significant bit (LSB) is ________.
• In a digital representation of voltages using an 8-bit binary code, how many values can be defined?
• A binary-weighted-input digital-to-analog converter has an input resistor of 100 kΩ. If the resistor is connected to a 5 V source, current through the resistor is ________.
• Which term applies to the maintaining of a given signal level until the next sampling?
• What is the result of taking more samples during the quantization process?
• Which A/D conversion method has a fixed conversion time?
• Which type of ADC quantizes the analog signal into a stream of bits whose amount corresponds to the signal level?