Controlling the Analyzer
Analyzer Overview
The ATS-1 Dual Domain analyzer can make a number of
measurements in both the analog and digital domains. Most
conventional measurements can be taken in either domain.
The instrument is generally configured for only one type of
measurement at a time. The type of measurement currently being
displayed is determined by the current measurement function. Often
a single measurement function will provide measurement of several
related parameters.
The ATS-1 Dual Domain analyzer provides the following
measurement functions:
In both analog and digital domains:
.
Amplitude with high and low pass filters, weighting filters (single
channel), and 1/3-octave bandpass filter
.
Level (two channels simultaneously)
.
Noise or signal-to-noise ratio (wideband, weighted, or selective)
.
THD+N (total harmonic distortion plus noise)
.
Interchannel phase
.
Real-time two-channel amplitude ratio (interchannel balance or
device gain/loss)
.
Real-time frequency-selective crosstalk
In the analog domain only:
.
Wow and Flutter
.
SINAD (ratio of {signal + noise + distortion} to {noise +
distortion})
.
Input-to-output phase shift
.
Loading (AC resistance of the input of a device connected to the
generator output)
.
AC mains check (voltage, frequency, and distortion of the AC
power line)
3 Operation
Controlling the Analyzer Operational Overview
3-22 ATS-1 Dual Domain User's Manual
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