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Programmable Audio Generator
This programmable audio generator is a single width module that contains a pure tone, white noise, and click generator under a single microprocessor controller and audio amplifier rated at 675 mW max into 8 ohms. Install into the interface cabinet for each test chamber in the system. The frequency and amplitude specifications may be limited by the cage speaker.
Dimensions:
0.875" W x 5.25" H x 7.25" D
(2.2 cm x 13.3 cm x 18.4 cm)
Specifications:
Pure Tone:
Frequency: 10 to 35,000 Hz in 1 Hz increments.
Amplitude: 20 to 100 dB in 0.5 dB increments
± 1 bit (0.125 dB).
Rise/Fall time: 1 milliseconds to 1 second in 0.1 ms increments.
Duration: 1 millisecond to over 1 minute (65,535 ms) plus
continuous (timed by MedState NotationT).
White Noise:
Frequency: Broad band white noise selected by freq = 0.
All Others: Same as pure tone.
Clicker:
Frequency: 1 to 10 Hz
Rise/Fall: Disabled.
Amplitude: Fixed.
Duration: Same as pure tone.
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