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Interfacing to the Analog World
The primary disadvantage of the flash A/D converter is the large number of comparators required.
True
False
Correct Answer:
True
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Interfacing to the Analog World
A simultaneous, multiple comparator, or flash converter uses parallel encoding.
A CD player probably uses a sigma/delta D/A converter.
One way to determine the resolution of a DAC is to calculate the ratio of one step voltage to the maximum output voltage.
A light bulb and a switch are examples of an analog circuit.
A summing op-amp can be used for DAC.
Voltage-to-frequency ADC is more complicated than other ADCs.
One form of a sigma/delta modulator circuit is designed to convert a continuous analog signal into a modulated bit stream (A/D).
Flash A/D converters depend on an input clock pulse to perform each conversion.
The time required to complete a conversion cycle is called conversion time.
An operational amplifier is used as a comparator.
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