Analog Duplex System
Subject to Export Control, see Cover Page for details.
8-26
Audio Analyzer Field Definitions
Audio Freq
Displays the averaged frequency of the Audio input signal.
Level
Displays the averaged level of the Audio input signal. When V is selected from the Units drop-
down menu, a scale indicator is displayed next to the Level reading.
Distn (Distortion)/SINAD
Displays the measured noise level on the audio signal, using the modulation applied to the Test
Set RF Output Connector as the reference. The desired noise measurement (Distortion or
SINAD) is selected from the [Noise Meters] Soft Key sub-menu.
Filter
Selects a measurement filter to include in the measurement path.
Units
Selects the unit of measure for the Level reading. Available value is limited by selected audio
input Source. For example, the Balanced audio input Source can be set to either dBm or dBr: V
is not available as an option. When V is selected, a scaling value indicator (mV) is displayed
beside the Level reading field on the Generators Tile
.
Source
Selects the Audio input source.
Impedance
External source can be set to un-terminated high impedance (Hi Z), or include a 600 termination
(600 Ohms).
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