61951. Flash A/D converters depend on an input clock pulse to perform each conversion.
61952. Linearity error is the maximum deviation in step size from the ideal step size.
61953. One form of a sigma/delta modulator circuit is designed to convert a continuous analog signal into a modulated bit stream (A/D).
61954. In a binary-weighted D/A converter the sum of all the currents from the binary weighted resistors flows through the operational amplifier.
61955. An eight-bit D/A converter has a resolution of 0.125.
61956. In a counter-ramp A/D converter, the end-of-conversion line must be tied back to the clear input of the counter to change the circuit to perform continuous conversions.
61957. D/A conversion is the process of taking a voltage or current and converting it to a digital code.
61958. A sample-and-hold circuit is used in D/A conversion.
61959. The output of an analog-to-digital converter is a voltage level.
61960. A CD player probably uses a sigma/delta D/A converter.
61961. 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.
61962. The current across the MSB "rung" of a 4-bit R/2R ladder DAC if the reference voltage is 5 v and R is 8 is 625 A.
61963. When the analog input to a tracking A/D converter is at a constant level, the digital output will oscillate.
61964. 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.
61965. A light bulb and a switch are examples of an analog circuit.
61966. When a DAC output shows a deviation of the measured step size from the ideal step size, this error is called nonlinearity.
61967. In a digital storage scope, when memory is full, the next data point is lost.
61968. There are many applications in which analog data must be digitized and transferred into a computer's memory. The process by which the computer acquires these digitized analog data is referred to as ________.
61969. When analog inputs from several sources are to be converted, a(n) ________ technique can be used.
61970. The output of the circuit in the given figure (a) at point X on figure (b) will be ________.
61971. The stability of the ADC process can be improved by using a(n) ________ to hold the analog voltage constant while the A/D conversion is taking place.
61972. The characteristic that a change of one binary step on the input of a DAC should cause exactly one step change on the output is called ________.
61973. On a binary-weighted D/A converter the least significant binary input ________.
61974. ________ ADCs use no clock signal, because there is no timing or sequencing required.
61975. The input of an analog-to-digital converter is ________.
61976. A(n) ________ converts an analog input to a digital output.
61977. The AD7524, a CMOS IC available from several IC manufacturers, is an eight-bit D/A converter that uses a(n) ________.
61978. A counter-ramp ADC uses a comparator to compare the input voltage with ________.
61979. A binary-weighter resistor DAC is practical only up to a resolution of ________.
61980. -----------Central Co-operative bank for each revenue district in Kerala
61981. The figure given below represents a ________.
61982. The primary disadvantage of the simultaneous A/D converter is ________.
61983. The DSO ________, ________, and ________ analog waveforms.
61984. A signal ________ is produced by sampling the signal at a rate less than the minimum rate identified by Nyquist.
61985. For each bit that is added to a digital ramp ADC, the conversion time ________.
61986. ________ DACs produce both positive and negative output values.
61987. A DAC is ________ if its output increases as the binary input increments from one value to the next.
61988. A 4-bit stairstep-ramp A/D converter has a clock frequency of 100 kHz and a maximum input of 10 V, and has 6 V applied to the input. The conversion time will be ________.
61989. A major application for DSP is in ________ and ________ of analog signals.
61990. The fastest analog-to-digital converter is the ________.
61991. The main advantage of the tracking A/D converter over the stairstep-ramp A/D converter is that ________.
61992. A counter-ramp ADC stops counting when ________.
61993. ________ ADCs have a fixed value of conversion time that is not dependent on the value of the analog input.
61994. The circuit shown below is a(n) ________.
61995. A digital voltmeter converts an analog voltage to its ________ representation.
61996. The number of binary bits at the input of a DAC or the output of an ADC is known as ________.
61997. The Diary farm of Europe is:
61998. If an analog signal is to be converted to an 8-bit resolution, how many comparators are used in a parallel-encoded ADC?
61999. A transducer is a device that:
62000. How many different voltages can be output from a DAC with a 6-bit resolution?
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