Tektronix 8.00E+04 User Manual
80E00 Electrical Sampling Modules User Manual
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Glossary
Accuracy
The closeness of the indicated value to the true value.
Analog-to-Digital Converter
A device that converts an analog signal to a digital signal.
Attenuation
A decrease in magnitude of current, voltage or power of a signal.
Attenuator
An electronic transducer that reduces the amplitude of a signal.
Autoset
A means of letting the instrument set itself to provide a stable and meaning-
ful display of a given trace.
ful display of a given trace.
Bandwidth
The range of frequencies handled by a device or system. Bandwidth is a
measure of network capacity. Analog bandwidth is measured in cycles per
second. Digital bandwidth is measured in bits of information per second.
measure of network capacity. Analog bandwidth is measured in cycles per
second. Digital bandwidth is measured in bits of information per second.
Channel
A place to connect a signal or attach a network or transmission line to
sampling modules.
sampling modules.
Common Mode
A circumstance where a signal is induced in phase on both sides of a
differential network.
differential network.
dB
Decibel: a method of expressing power or voltage ratios. The decibel scale is
logarithmic. The formula for decibels is:
logarithmic. The formula for decibels is:
dB = 20 log (V
i
/V
ref
)
where Vi is the voltage of the incident pulse, V
ref
is the voltage reference,
and log is the decimal-based logarithmic function.
Dialog Box
A displayed box in which you enter instrument commands.
Differential Mode
A circumstance where the true signal and its logical compliment are
transmitted over a pair of conductors.
transmitted over a pair of conductors.
Digital Signal
A signal made up of a series of on and off pulses.