Units
The ATS-1 Access supports a full set of industry-standard units. The
following table provides a quick reference to units; the following text
gives units details.
Unit Type Description
%
Amplitude/
Frequency
Relative percentage of two measurements
∆%
Frequency Percent deviation from ideal frequency
dB Amplitude Relative decibels between two measurements
dBg Amplitude Decibels relative to present generator amplitude
dBm Power Decibels relative to 1 milliwatt
dBr Amplitude Decibels relative to a preset reference
dBu Amplitude Decibels relative to 0.7746 Volts
dBV Amplitude Decibels relative to 1 Volt
deg Phase Basic unit of phase
Hz Frequency Basic unit of frequency; cycles per second
s or sec Time Basic unit of time
V Amplitude Volts; Basic unit of amplitude
Vp Amplitude Peak Voltage (instantaneous)
W Power Watts; Basic unit of power
X/Y Amplitude Ratio of two measurements
3 Operation
Operational Overview Units
ATS-1 Access User's Manual 3-17
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