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Glossary
NI 5620 User Manual G-2 ©National Instruments Corporation
AC coupled allowing the transmission of AC signals while blocking DC signals
ADC analog-to-digital converter—an electronic device, often an integrated
circuit, that converts an analog voltage to a digital number
ADC resolution the resolution of the ADC, which is measured in bits. An ADC with
16 bits has a higher resolution, and thus a higher degree of accuracy,
than a 12-bit ADC.
ADE application development environment
alias a false lower frequency component that appears in sampled data acquired
at too low a sampling rate
amplification a type of signal conditioning that improves accuracy in the resulting
digitized signal and reduces noise
amplitude flatness a measure of how close to constant the gain of acircuit remains overa range
of frequencies
analog bandwidth the range of frequencies to which a measuring device can respond
attenuate to decrease the amplitude of a signal
B
bbit—one binary digit, either 0 or 1
Bbyte—eight related bits of data, an eight-bit binary number. Also used to
denote the amount of memory required to store one byte of data.
bus the group of conductorsthat interconnectindividual circuitryin acomputer.
Typically, a bus is the expansion vehicle to which I/O or other devices are
connected. An example of the PC bus is the PCI bus.
C
CCelsius
CMOS complementary metal oxide semiconductor. A process used in making
chips.