When the analog input to a tracking A/D converter is at a constant level, the digital output will oscillate.
One form of a sigma/delta modulator circuit is designed to convert a continuous analog signal into a modulated bit stream (A/D).
What is the disadvantage to using a counter-ramp type ADC?
A digital voltmeter converts an analog voltage to its ________ representation.
Resolution in the analog output of a DAC is primarily dependent on the number of input binary bits.
A sample-and-hold circuit is used in D/A conversion.
The input of an analog-to-digital converter is ________.
An actuator is usually a device that:
Which of the following characterizes an analog quantity?
The main advantage of the tracking A/D converter over the stairstep-ramp A/D converter is that ________.
What is the maximum conversion time for an 8-bit successive-approximation ADC with a clock frequency of 20 kHz?
A signal ________ is produced by sampling the signal at a rate less than the minimum rate identified by Nyquist.
The primary disadvantage of the simultaneous A/D converter is ________.
To be useful, A/D or D/A converters must have meaningful representation of the analog quantity and a digital representation and the digital quantity as an analog representation.
In a binary-weighted D/A converter the sum of all the currents from the binary weighted resistors flows through the operational amplifier.
The number of binary bits at the input of a DAC or the output of an ADC is known as ________.
The primary disadvantage of the flash A/D converter is the large number of comparators required.
The output of an analog-to-digital converter is a voltage level.
A(n) ________ converts an analog input to a digital output.
A counter-ramp ADC stops counting when ________.
For each bit that is added to a digital ramp ADC, the conversion time ________.
Electrical quantities can be interpreted without conditioning by a digital computer.
The amount of deviation of the measured step size from the ideal step size is a measure of linearity.
Generally speaking, DACs with a current output will have a shorter settling time than those with voltage outputs.
A light bulb and a switch are examples of an analog circuit.
An eight-bit D/A converter has a resolution of 0.125.
A summing op-amp can be used for DAC.
A CD player probably uses a sigma/delta D/A converter.
When the inputs of a four-bit D/A converter are connected to a binary up-counter, the output looks like an upward sloping line.
________ DACs produce both positive and negative output values.