Audio Precision Portable One Plus Access User Manual

The Portable One Plus Access can sweep most of these measurements
across a user-specified frequency or amplitude range and display a
graph of the results. The graph top and bottom values may be set by
the user, even after a sweep, with the data dynamically re-scaling.
After sweeping, a cursor may be used to provide numeric readout of
any point on the graph. Measurements may also be displayed on an
analog-style bargraph with a user-selectable range.
The Portable One Plus Access is capable of generating low-distortion
sine and square waveforms, plus an intermodulation distortion test
signal (with purchase of intermodulation distortion option).
Measurements may be displayed in a wide variety of units, including
the following:
.
Volts
.
dBm (with a user-specified impedance reference)
.
dBu
.
dBV
.
dBr (dB relative to a stored measured value)
.
dBg (dB relative to the present generator output amplitude)
.
Watts (with a user-specified impedance reference)
.
Hz/kHz
.
% or dB for relative measurements
The chosen units are remembered for each measurement function, so
when you return to that function, the same units will be automatically
displayed.
The following band-limiting and noise-weighting filters are provided:
.
Standard 22 Hz-22 kHz audio bandpass
.
30 kHz and 80 kHz lowpass
.
400 Hz highpass
.
Tunable 1/3 octave bandpass
.
A-weighting (ANSI/IEC-A)
.
CCIR weighting
.
Sockets for two optional filters, selectable from a wide variety
1 Introduction
Introducing the Portable One Plus Access
1-2 Portable One Plus Access User's Manual
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Audio Precision Portable One Plus Access Specifications

General

Brand	Audio Precision
Model	Portable One Plus Access
Category	Test Equipment
Language	English